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EP1288882B1 - Remote control system - Google Patents

Remote control system Download PDF

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Publication number
EP1288882B1
EP1288882B1 EP01203223A EP01203223A EP1288882B1 EP 1288882 B1 EP1288882 B1 EP 1288882B1 EP 01203223 A EP01203223 A EP 01203223A EP 01203223 A EP01203223 A EP 01203223A EP 1288882 B1 EP1288882 B1 EP 1288882B1
Authority
EP
European Patent Office
Prior art keywords
signal
instruction signal
instruction
control
receive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01203223A
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German (de)
French (fr)
Other versions
EP1288882A1 (en
Inventor
Genette Benoit
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SA In Rad Co
Original Assignee
SA In Rad Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SA In Rad Co filed Critical SA In Rad Co
Priority to EP01203223A priority Critical patent/EP1288882B1/en
Priority to DE60143524T priority patent/DE60143524D1/en
Priority to AT01203223T priority patent/ATE489693T1/en
Publication of EP1288882A1 publication Critical patent/EP1288882A1/en
Application granted granted Critical
Publication of EP1288882B1 publication Critical patent/EP1288882B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2201/00—Transmission systems of control signals via wireless link
    • G08C2201/60—Security, fault tolerance
    • G08C2201/63—Redundant transmissions

Definitions

  • the invention relates to a control system comprising control means consisting of a control station or at least one transmission device and a reception device, said control means having a control input and a verifier, and being arranged to transmit at least one control signal produced on the basis of information entered by a user into said control input, to receive said at least one control signal and to transmit it to a machine ( EP 0 514 244 )
  • Remote control systems are used in various fields such as steel, civil engineering or forestry.
  • a user can, in fact, remote control large machines such as cranes, cranes, tractors, etc.. in order to make them perform tasks without the user physically touching the machine.
  • this type of control system provides a great ergonomic work since for example, the user must no longer systematically join a fixed control station to be able to control the machine.
  • the object of the present invention is to provide a solution to the monitoring problem by ensuring that the user can not start a machine without it being monitored.
  • a control system characterized in that said control means, comprising a memory provided for storing a first signal consisting of said control signal or a setting signal. operation, originating from a start-up device, is arranged to produce, on the basis of said first signal, a management signal, said control system comprising an instruction generator connected to the control means and arranged to receive said signal of management, as well as for producing under control of said management signal at least one instruction signal, comprising an action to be performed, said instruction generator being arranged to broadcast said at least one instruction signal, said instruction generator being connected to said verifier and arranged to receive the instruction signal and another instruction signal produced by an execution of said action, said verifier arranged so as to compare the instruction signal with the other instruction signal and to produce, in the event of agreement between said instruction signal and the other instruction signal, a first verification signal and, in case of mismatch between said instruction signal and the other instruction signal, a second verification signal, said control means being connected to said verifier and arranged on the one hand
  • the control system does not directly transmit the control signal (first signal) to the machine but generates, thanks to the instruction generator connected to the receiving device and on the basis of a management signal, at least one instruction signal comprising an action to be executed.
  • This execution of the action guarantees the presence and draws the user's attention to the machine and its environment. The presence of the user is therefore obligatory since this presence will result in the execution of the action and therefore the production of another instruction signal which is sent to a verifier whose role is to compare the signal of instruction with the other instruction signal.
  • the verifier will then produce and transmit to the receiving device a first verification signal or a second verification signal respectively.
  • the receiving device then allows, under control of the first verification signal, the transmission of the control signal to the machine or the blocking, under the control of the second verification signal, of the transmission of the control signal (first signal) to the machine. .
  • control system remote
  • the validation of the control signal is composed by an action whose execution requires the user to be in the vicinity of the machine he controls and thus monitor the execution of these commands.
  • this control system considerably reduces the risk of starting a machine inadvertently since the control signal (first signal) must be validated by an action, this action requiring a effective presence which leads to adequate supervision.
  • the control system comprises a transmitting member, connected to the instruction generator, arranged to receive the instruction signal and produce under control of the instruction signal, a wave electromagnetic incorporating the action to be performed.
  • Said emitter member being arranged to emit said electromagnetic wave.
  • the instruction signal is transmitted by the transmitter member in the form of an electromagnetic wave.
  • the electromagnetic wave can be a wave radio, a light wave, infrared, etc.
  • the field of the electromagnetic wave being chosen according to the environment of the machine or the cost of the installation of the control system.
  • the remote control system comprises a transmission device A having a control input C provided with colored key switches.
  • the control input could also be provided with a rod switch for directing the machine for example by pushing the rod forward the machine is ordered to move forward.
  • the transmitting device is arranged for transmitting by electromagnetic wave, the control signals produced by the control input, to the reception device B.
  • the reception device B having an input arranged to receive the control signals emitted by the transmission device A. This input is connected to a memory of the reception device, capable of storing at least one control signal.
  • the receiving device has, in addition, two outputs, one connected to the input of the machine D, the other connected to the input of the generator E. Said generator also has two outputs, one connected to the data input from the display unit G and the other to the input of the verifier F.
  • the verifier F is provided with a storage memory and is connected to the receiving device.
  • the display unit is provided, in the example described, with a predetermined number of lamps of different colors, for example a yellow lamp and two others of red and green colors.
  • said control input will comprise a number of distinct color keys at least equal to the number of distinct colors displayed by the display unit.
  • the transmitting device By exerting pressure on one or more of the keys or manipulating the rod switch of the control input, the transmitting device will form a control signal 1 repeating the instructions of the user. The control signal will then be transmitted to the reception device B. Once received, the reception device, on the one hand, stores in its memory the control signal and, on the other hand, generates and transmits a management signal 2 for the instruction generator E. The receiving device will then block access to its memory and transmit to the instruction generator the signals for the verifier.
  • Said instruction generator being arranged to receive the management signal, then produces under control of the management signal 2, an instruction signal 3 comprising an action to be executed and transmits the an instruction signal to the display unit G and to the verifier F both being arranged to receive the instruction signal 3.
  • the instruction signal could be, for example, a number sequence such as: 1 , 3, 5, 1, each number corresponding to a color: 1 corresponding to green; 3 to yellow; and 5 to red.
  • the verifier then receives the instruction signal and stores it in its storage memory.
  • the display unit receives the instruction signal and converts each number of the sequence into a color lamp firing.
  • the display unit displays the action to be executed in the form of a light sequence.
  • the display unit could comprise four sets of three lamp colors: green, yellow and red so that one lamp per series turns on for display of the sequence.
  • the lamp of the first series would be the green lamp
  • the lamp of the second series would be the yellow lamp
  • the lamp of the third series and the fourth would be respectively the red and the green.
  • the set of lit lamps of the four series could remain lit, for example during 2 minutes so that the user can assimilate it to reproduce it then.
  • the display unit would comprise only a series of three lamps: a green, a yellow and a red. Each lamp turns on in sequence, for example, for 30 seconds.
  • the green lamp would come on for 30 seconds and turn off.
  • the yellow lamp would come on for 30 seconds and turn off, and so on. and finally the green lamp would come on again for 30 seconds and then go out.
  • the user monitoring the light sequence is prompted to reproduce it by pressing the corresponding color keys of the command entry and in the order indicated by the light sequence, that is to say in this case by pressing the green, red, yellow and green keys again.
  • the user could also use a rod switch having four switches placed at the four cardinal points around the rod.
  • the display unit only includes three distinct colors, only three cardinal points would correspond to distinct colors for example North would correspond to green, East to yellow and South to red. In this way, the user, to reproduce the sequence, will have to push the rod towards the North, towards the East, towards the South and again towards the North.
  • the action exerted by the user on the keys or on the rod switch produces another instruction signal which is transmitted by the transmitting device to the receiving device.
  • the receiving device having blocked its memory, does not store the signal but transmits it directly to the generator.
  • the generator then converts this other instruction signal into an encrypted sequence and transmits this other signal to the verifier.
  • the other instruction signal being formed by a modulated radio wave can be converted by the instruction generator into a sequence encrypted by a digital analog converter so as to find in the example described the sequence 1, 3, 5, 1 .
  • the verifier In the case where there is agreement between the two signals compared by the verifier, the latter produces and transmits to the receiving device a first verification signal 5. The receiving device then unblocks the control signal and transmits it to the machine. In the opposite case, that is to say where there is no match between the two signals, the verifier produces and sends a second verification signal 6 blocking the control signal which prevents the machine from receiving the signal. user control.
  • the display unit could be attached to the machine itself, or in a potentially dangerous passage area so as to draw the user's attention to a particular hazard.
  • the display unit could be arranged to be perceived only from a precise part of the operating zone of said machine so as to force the operator to correctly position himself in order to correctly see the unit. display.
  • the display unit may be a display screen displaying shapes or letters, the control input having keys on which the shapes or the identical letters will be represented.
  • the user can reproduce the light sequence using a rod switch whose poles will be represented by colors, shapes or letters.
  • the instruction generator may produce a different instruction signal each time so that the color, shape, or letter sequences change randomly during each operation. In this way, the user can not introduce, by heart, the sequence which ensures that his gaze is well fixed on the display unit.
  • the remote control system can also be provided with a standby arranged to work according to a predetermined rule, for example: if the user presses one of the keys, for the first time, within a predetermined period of time, for example: after 10 minutes of non-interaction with the command entry; the system is activated so that the receiving device does not pass the control signal to the machine but waits for the passage authorization given by the first verification signal. Then, once the receiving device has received the first verification signal, the receiving device passes the control signals provided that the time between each signal does not exceed, in this case, the 10 minutes. .
  • a predetermined rule for example: if the user presses one of the keys, for the first time, within a predetermined period of time, for example: after 10 minutes of non-interaction with the command entry; the system is activated so that the receiving device does not pass the control signal to the machine but waits for the passage authorization given by the first verification signal. Then, once the receiving device has received the first verification signal, the receiving device passes the control signals provided that the time between
  • some actions that the user would like to perform with the machine may require validation of the control signal by performing an action.
  • the system activates by blocking the control signal. At this time, the activated system blocks the passage of the control signal to the machine and waits for the first verification signal which allows the passage of the control signal.
  • the remote control system comprises a transmission device A and a reception device B provided with a transmission system for exchanging information in the form of bidirectionally modulated radio waves.
  • the transmission device A is provided with a control input C, a response member H and a verifier F having a storage memory.
  • the response member H being connected to the verifier F.
  • the reception device B on the one hand is provided with a memory capable of storing at least one control signal 1 and on the other hand is connected to the machine D and to an instruction generator E.
  • the instruction generator produces and sends the instruction signal 3 to the reception device which is responsible for transmitting it on the one hand to the response member and on the other hand to the verifier.
  • the response member being arranged so that the instruction signal sent 3 is only receivable within a predetermined number of meters around the receiving device for example in a zone of 20 m 2 .
  • the response member receives the instruction signal provided it is in the area of 20 m 2 and then produces, without user intervention, based on said instruction signal, another instruction signal. 4.
  • the other instruction signal is then transmitted to the verifier which compares it with the instruction signal stored in the storage memory.
  • the verifier produces and then transmits according to the conformity of the two signals either a first verification signal 5 or a second verification signal 6.
  • the response member does not receive the instruction signal which prevents it from producing the other instruction signal.
  • the other instruction signal is produced by converting the instruction signal to the response member. For example, radio wave modulated signals are demodulated to be converted into an encrypted sequence.
  • the other instruction signal is essential to be able to perform the verification and thus for the receiving device or not to pass the control signal to the machine. The user can not control the machine.
  • the response member may be arranged to transmit the other instruction signal so as to oblige the user to approaching the receiving device to transmit said other instruction signal to the verifier.
  • this preferred embodiment of the invention is similar to the previously described embodiments but nevertheless differs in that the verifier is provided with a storage memory and two outputs, one connected to the input of the device of the invention. reception B, and the other to a control input of the display unit.
  • the display unit G is provided, in the example described, with a predetermined number of lamps of different colors, for example three lamps of yellow, red and green colors.
  • said control input will comprise a number of distinct color keys at least equal to the number of distinct colors displayed by the display unit.
  • the display unit includes a memory capable of storing the instruction signal.
  • Said instruction generator arranged to receive the management signal 2, then produces under control of the management signal, an instruction signal comprising an action to be executed and transmits the instruction signal to the display unit G and to the verifier F, both being arranged to receive the instruction signal 3.
  • the instruction signal comprises a series of n successive signals, n being a natural number greater than 1.
  • the instruction signal is, in the present example, formed of four successive signals, for example 1, 3, 5, 1, each number corresponding respectively to the first 3 1 , second 3 2 , third 3 3 and fourth successive signal 3 4 .
  • each number corresponds a color, for example, 1: green; 3: yellow and 5: red.
  • the verifier then receives the instruction signal and stores it in its storage memory.
  • the display unit G receives the instruction signal, stores the sequence in its memory and first converts the first number of the sequence which causes the lighting of the lamp which corresponds to this number. In the example described, the number 1 corresponding to the green color is converted into the lighting of the green lamp.
  • the user monitoring the display unit is prompted to press the corresponding color key of the control input C, ie the green key.
  • the action exerted by the user on the green key produces a first other signal 4 1 which is transmitted to the receiving device.
  • the receiving device having blocked its memory, does not store the signal but transmits it directly to the generator.
  • the generator then converts this first other signal by its number and transmits this first other signal to the verifier.
  • the verifier compares this first other signal with the first signal. In the case where there is agreement between this first other signal and this first signal, the verifier sends a tracking signal to the display unit, the display unit being arranged to receive the tracking signal. Based on the tracking signal, the display unit turns off the lamp that was turned on and extracts from its memory the next number in the sequence.
  • the display unit then converts the next number of the sequence, in this case the second number, to the lighting of the lamp corresponding to that number. In the example described, the number 3 being the second number, it is the yellow lamp that will light.
  • the validation loop continues to the nth successive other signal, the other instruction signal being formed of a series of n other signals.
  • the nth other signal is then converted by the instruction generator and passed to the verifier.
  • the verifier In the case where there is a match between the n'th other signal and the n-th signal, the verifier generates and transmits to the receiving device a first verification signal 5. The receiving device then unlocks the control signal 1 and transmit it to the machine. In the opposite case, that is to say where there is no match between the two signals, the verifier produces and sends a second verification signal 6 blocking the control signal which prevents the machine from receiving the signal. user control.
  • the validation procedure is thus stopped since no tracking signal is sent to the display unit.
  • the display unit does not light the color lamp following the previous one, the validation loop is stopped.
  • control system as described above could be provided with a start-up device, which generates and sends a start signal to the receiving device.
  • the receiving device would produce, based on this start signal, the management signal.
  • the control signal in this other embodiment will no longer intervene in the production of the management signal.
  • the start member could be a cylinder in which it would turn a key to start the engine of a machine.
  • starting the engine would cause at the same time the initialization of the validation procedure.
  • the receiving device will receive the start signal and produce, under control of this start signal, the management signal that will be transmitted to the instruction generator.
  • the two embodiments can be added so that when the control system is turned on it is the start signal which controls the production of the management signal whereas when the control system remote is already running, it is the control signal that controls the production of the management signal.
  • this embodiment according to the invention is similar to the embodiment illustrated in FIG. figure 1 and described, but differs nevertheless in that the transmitting and receiving device is replaced by a control station I having a control input C.
  • the control station connected to the machine D, is arranged to transmit a signal of command 1 to said machine, based on information entered by a user into said control input.
  • control station is connected to the input of the instruction generator E and produces a management signal 2.
  • the instruction generator E produces and broadcasts an instruction signal 3 of the command signal. on the one hand to the verifier F and on the other hand to a display unit G.
  • the control signal will not be transmitted directly to the machine but will be put on hold for the first verification signal 7, unblocking the signal control. The user is therefore always prompted to perform the action displayed on the display panel via the command entry of the control station. From the action of the user on the control input will result another instruction signal 4 intended for the verifier.
  • This embodiment could serve to increase the safety of machines that do not need to be controlled remotely, but instead can be controlled directly via a control station connected to the machine, for example by a cable for the transport of signals.
  • control station can also be connected to an actuator arranged to produce a start signal and send it to the control station.
  • the management signal would be produced under control of the start signal and transmitted to the generator.

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Abstract

The remote control system has a transmission mechanism (A) with a command input (C) transmitting a control signal (1). A receiver (B) receives the control signal, and transmits it to a machine (D). There is an instruction generator (E) producing an instruction signal (3), which passes to a verifier (F). A second instruction (4) is passed directly by action execution. The two instructions are compared, producing a verification signal (5) if they are in agreement, verifying the action and allowing it to proceed, otherwise blocking the required action.

Description

L'invention est relative à un système de commande comprenant un moyen de commande constitué d'un poste de commande ou d'au moins un dispositif d'émission et d'un dispositif de réception, ledit moyen de commande ayant une entrée de commande et un vérificateur, et étant agencé pour émettre au moins un signal de commande produit sur base d'informations introduites par un utilisateur dans ladite entrée de commande, pour recevoir ledit au moins un signal de commande et pour le transmettre à une machine ( EP 0 514 244 )The invention relates to a control system comprising control means consisting of a control station or at least one transmission device and a reception device, said control means having a control input and a verifier, and being arranged to transmit at least one control signal produced on the basis of information entered by a user into said control input, to receive said at least one control signal and to transmit it to a machine ( EP 0 514 244 )

Des systèmes de commande à distance sont notamment utilisés dans des différents domaines comme par exemple en sidérurgie, en génie civil ou dans les exploitations forestières. Grâce à ce type de système de commande, un utilisateur peut, en effet, diriger à distance des machines de grande taille telles que des ponts roulants, des grues, des tracteurs, etc. de manière à leur faire effectuer des tâches sans que l'utilisateur ne touche physiquement la machine. De cette façon, l'emploi de ce type de système de commande procure une grande ergonomie de travail puisque par exemple, l'utilisateur ne doit plus rejoindre systématiquement un poste de commande fixe pour pouvoir commander la machine.Remote control systems are used in various fields such as steel, civil engineering or forestry. With this type of control system, a user can, in fact, remote control large machines such as cranes, cranes, tractors, etc.. in order to make them perform tasks without the user physically touching the machine. In this way, the use of this type of control system provides a great ergonomic work since for example, the user must no longer systematically join a fixed control station to be able to control the machine.

Néanmoins, l'emploi de commande à distance, bien que permettant une plus grande ergonomie de travail, a pour conséquence d'éloigner l'utilisateur de la machine qu'il commande ce qui peut réduire son attention sur la machine. Dans certains cas, l'utilisateur pourrait suite à une manipulation incorrecte ou inappropriée du dispositif de commande, mettre en route une machine. L'utilisateur ne surveillant pas la machine, ne peut constater et corriger son erreur, ce qui peut entraîner de graves accidents.However, the use of remote control, although allowing greater ergonomics of work, has the effect of moving the user away from the machine that controls what can reduce his attention to the machine. In some cases, the user could have improper or improper handling of the control device, start a machine. The user does not monitor the machine, can not see and correct its error, which can lead to serious accidents.

Le but de la présente invention est d'apporter une solution au problème de surveillance en veillant à ce que l'utilisateur ne puisse mettre en route une machine sans qu'il ne la surveille.The object of the present invention is to provide a solution to the monitoring problem by ensuring that the user can not start a machine without it being monitored.

Pour résoudre ce problème, il est donc prévu, suivant l'invention, un système de commande caractérisé en ce que ledit moyen de commande, comprenant une mémoire prévue pour stocker un premier signal constitué dudit signal de commande ou d'un signal de mise en marche, provenant d'un organe de mise en marche, est agencé pour produire, sur base dudit premier signal, un signal de gestion, ledit système de commande comprenant un générateur d'instruction relié au moyen de commande et agencé pour recevoir ledit signal de gestion, ainsi que pour produire sous contrôle dudit signal de gestion au moins un signal d'instruction, comprenant une action à exécuter, ledit générateur d'instruction étant agencé pour diffuser ledit au moins un signal d'instruction, ledit générateur d'instruction étant relié audit vérificateur et agencé pour recevoir le signal d'instruction ainsi qu'un autre signal d'instruction produit par une exécution de ladite action, ledit vérificateur étant agencé pour comparer le signal d'instruction avec l'autre signal d'instruction et pour produire, en cas de concordance entre ledit signal d'instruction et l'autre signal d'instruction, un premier signal de vérification et, en cas de non concordance entre ledit signal d'instruction et l'autre signal d'instruction, un second signal de vérification, ledit moyen de commande étant relié audit vérificateur et agencé d'une part pour transmettre le premier signal, sous contrôle du premier signal de vérification et, d'autre part, pour bloquer le premier signal, sous contrôle du second signal vérification.To solve this problem, it is therefore provided, according to the invention, a control system characterized in that said control means, comprising a memory provided for storing a first signal consisting of said control signal or a setting signal. operation, originating from a start-up device, is arranged to produce, on the basis of said first signal, a management signal, said control system comprising an instruction generator connected to the control means and arranged to receive said signal of management, as well as for producing under control of said management signal at least one instruction signal, comprising an action to be performed, said instruction generator being arranged to broadcast said at least one instruction signal, said instruction generator being connected to said verifier and arranged to receive the instruction signal and another instruction signal produced by an execution of said action, said verifier arranged so as to compare the instruction signal with the other instruction signal and to produce, in the event of agreement between said instruction signal and the other instruction signal, a first verification signal and, in case of mismatch between said instruction signal and the other instruction signal, a second verification signal, said control means being connected to said verifier and arranged on the one hand to transmit the first signal, under control of the first verification signal and, on the other hand, to block the first signal, under the control of the second signal verification.

Le système de commande (à distance) ne transmet pas directement le signal de commande (premier signal) à la machine mais génère, grâce au générateur d'instruction relié au dispositif de réception et sur base d'un signal de gestion, au moins un signal d'instruction comprenant une action à exécuter. Cette exécution de l'action garantit la présence et attire l'attention de l'utilisateur sur la machine et son environnement. La présence de l'utilisateur est donc obligatoire puisque de cette présence va découler l'exécution de l'action et donc la production d'un autre signal d'instruction qui est envoyé à un vérificateur dont le rôle est de comparer le signal d'instruction avec l'autre signal d'instruction.The control system (remote) does not directly transmit the control signal (first signal) to the machine but generates, thanks to the instruction generator connected to the receiving device and on the basis of a management signal, at least one instruction signal comprising an action to be executed. This execution of the action guarantees the presence and draws the user's attention to the machine and its environment. The presence of the user is therefore obligatory since this presence will result in the execution of the action and therefore the production of another instruction signal which is sent to a verifier whose role is to compare the signal of instruction with the other instruction signal.

Le vérificateur, suivant la concordance ou non de ces deux signaux d'instruction, produira et transmettra alors au dispositif de réception respectivement un premier signal de vérification ou un second signal de vérification. Le dispositif de réception permet alors, sous contrôle du premier signal de vérification, la transmission du signal de commande vers la machine ou le blocage, sous contrôle du second signal de vérification, de la transmission du signal de commande (premier signal) vers la machine.The verifier, according to the concordance or otherwise of these two instruction signals, will then produce and transmit to the receiving device a first verification signal or a second verification signal respectively. The receiving device then allows, under control of the first verification signal, the transmission of the control signal to the machine or the blocking, under the control of the second verification signal, of the transmission of the control signal (first signal) to the machine. .

Par ce système de commande (à distance), la validation du signal de commande est composée par une action dont l'exécution impose à l'utilisateur de se trouver aux alentours de la machine qu'il commande et de surveiller ainsi l'exécution de ces commandes.By this control system (remote), the validation of the control signal is composed by an action whose execution requires the user to be in the vicinity of the machine he controls and thus monitor the execution of these commands.

De plus, ce système de commande (à distance), suivant l'invention, réduit considérablement les risques de mettre une machine en route par mégarde puisque le signal de commande (premier signal) doit être impérativement validé par une action, cette action nécessitant une présence effective qui entraîne une surveillance adéquate.In addition, this control system (remote), according to the invention, considerably reduces the risk of starting a machine inadvertently since the control signal (first signal) must be validated by an action, this action requiring a effective presence which leads to adequate supervision.

Selon une forme de réalisation de l'invention, le système de commande (à distance) comprend un organe émetteur, relié au générateur d'instruction, agencé pour recevoir le signal d'instruction et produire sous contrôle du signal d'instruction, une onde électromagnétique incorporant l'action à exécuter. Ledit organe émetteur étant agencé pour émettre ladite onde électromagnétique. De cette manière, le signal d'instruction est transmis par l'organe émetteur sous la forme d'onde électromagnétique. L'onde électromagnétique pouvant être une onde radioélectrique, une onde lumineuse, infrarouge, etc. Le domaine de l'onde électromagnétique étant choisi selon l'environnement de la machine ou le coût de l'installation du système de commande.According to one embodiment of the invention, the control system (remote) comprises a transmitting member, connected to the instruction generator, arranged to receive the instruction signal and produce under control of the instruction signal, a wave electromagnetic incorporating the action to be performed. Said emitter member being arranged to emit said electromagnetic wave. In this way, the instruction signal is transmitted by the transmitter member in the form of an electromagnetic wave. The electromagnetic wave can be a wave radio, a light wave, infrared, etc. The field of the electromagnetic wave being chosen according to the environment of the machine or the cost of the installation of the control system.

D'autres formes de réalisation de système de commande à distance, suivant l'invention, sont indiquées dans les revendications annexées.Other embodiments of remote control system according to the invention are indicated in the appended claims.

De plus, d'autres détails et particularités de l'invention ressortiront de la description donnée ci-après, à titre non limitatif et avec référence aux dessins annexés.

  • La figure 1 illustre schématiquement une première forme de réalisation préférentielle de l'invention.
  • La figure 2 illustre schématiquement une deuxième forme de réalisation de l'invention.
  • La figure 3 illustre schématiquement une forme préférentielle de réalisation de l'invention.
  • La figure 4 illustre schématiquement une forme de réalisation de l'invention pourvue d'un poste de commande.
In addition, other details and features of the invention will become apparent from the description given below, without limitation and with reference to the accompanying drawings.
  • The figure 1 schematically illustrates a first preferred embodiment of the invention.
  • The figure 2 schematically illustrates a second embodiment of the invention.
  • The figure 3 schematically illustrates a preferred embodiment of the invention.
  • The figure 4 schematically illustrates an embodiment of the invention provided with a control station.

Faisant référence à la figure 1, le système de commande à distance comprend un dispositif d'émission A ayant une entrée de commande C pourvue de commutateurs à touche colorée. Chaque touche ou un ensemble de touches correspondant à une commande de la machine, cette machine D étant par exemple une grue, la touche verte indique "déroulement du câble". L'entrée de commande pourrait aussi être munie d'un commutateur à tige permettant de diriger la machine par exemple en poussant la tige vers l'avant la machine reçoit l'ordre de se mettre en mouvement vers l'avant. De même, on pourrait aussi avoir une entrée de commande reconnaissant la voix ou les gestes de l'utilisateur.Referring to the figure 1 , the remote control system comprises a transmission device A having a control input C provided with colored key switches. Each key or a set of keys corresponding to a command of the machine, this machine D being for example a crane, the green key indicates "unwinding of the cable". The control input could also be provided with a rod switch for directing the machine for example by pushing the rod forward the machine is ordered to move forward. Similarly, we could also have a command entry recognizing the voice or gestures of the user.

Le dispositif d'émission est agencé pour transmettre par onde électromagnétique, les signaux de commande produits par l'entrée de commande, au dispositif de réception B.The transmitting device is arranged for transmitting by electromagnetic wave, the control signals produced by the control input, to the reception device B.

Le dispositif de réception B ayant une entrée agencée pour recevoir les signaux de commande émis par le dispositif d'émission A. Cette entrée est reliée à une mémoire du dispositif de réception, capable de stocker au moins un signal de commande. Le dispositif de réception a, de plus, deux sorties, l'une reliée à l'entrée de la machine D, l'autre reliée à l'entrée du générateur E. Ledit générateur a aussi deux sorties, l'une reliée à l'entrée de données de l'unité d'affichage G et l'autre à l'entrée du vérificateur F.The reception device B having an input arranged to receive the control signals emitted by the transmission device A. This input is connected to a memory of the reception device, capable of storing at least one control signal. The receiving device has, in addition, two outputs, one connected to the input of the machine D, the other connected to the input of the generator E. Said generator also has two outputs, one connected to the data input from the display unit G and the other to the input of the verifier F.

Le vérificateur F est pourvu d'une mémoire de stockage et est relié au dispositif de réception. L'unité d'affichage est pourvue, dans l'exemple décrit, d'un nombre prédéterminé de lampes de couleurs distinctes, par exemple une lampe de couleur jaune et deux autres de couleurs rouge et verte. Dans cet exemple, ladite entrée de commande comprendra un nombre de touches de couleurs distinctes au moins égal au nombre de couleurs distinctes affichées par l'unité d'affichage.The verifier F is provided with a storage memory and is connected to the receiving device. The display unit is provided, in the example described, with a predetermined number of lamps of different colors, for example a yellow lamp and two others of red and green colors. In this example, said control input will comprise a number of distinct color keys at least equal to the number of distinct colors displayed by the display unit.

Le fonctionnement du système sera maintenant décrit plus en détail.The operation of the system will now be described in more detail.

En exerçant une pression sur une ou plusieurs des touches ou en manipulant le commutateur à tige de l'entrée de commande, le dispositif d'émission va former un signal de commande 1 reprenant les instructions de l'utilisateur. Le signal de commande sera alors transmis au dispositif de réception B. Une fois réceptionné, le dispositif de réception, d'une part, stocke dans sa mémoire le signal de commande et, d'autre part, produit et émet un signal de gestion 2 destiné au générateur d'instruction E. Le dispositif de réception bloquera ensuite l'accès à sa mémoire et transmettra au générateur d'instruction les signaux destinés au vérificateur.By exerting pressure on one or more of the keys or manipulating the rod switch of the control input, the transmitting device will form a control signal 1 repeating the instructions of the user. The control signal will then be transmitted to the reception device B. Once received, the reception device, on the one hand, stores in its memory the control signal and, on the other hand, generates and transmits a management signal 2 for the instruction generator E. The receiving device will then block access to its memory and transmit to the instruction generator the signals for the verifier.

Ledit générateur d'instruction, étant agencé pour recevoir le signal de gestion, produit alors sous contrôle du signal de gestion 2, un signal d'instruction 3 comprenant une action à exécuter et transmet le signal d'instruction vers l'unité d'affichage G et vers le vérificateur F, tous deux étant agencés pour recevoir le signal d'instruction 3. Le signal d'instruction pourrait être, par exemple, une séquence de nombre tels que: 1, 3, 5, 1, chaque nombre correspondant à une couleur : 1 correspondant à vert; 3 à jaune; et 5 à rouge. Le vérificateur reçoit alors le signal d'instruction et le stocke dans sa mémoire de stockage. L'unité d'affichage reçoit le signal d'instruction et convertit chaque nombre de la séquence en un allumage de lampes de couleur. L'unité d'affichage affiche alors l'action à exécuter sous la forme d'une séquence lumineuse. Selon une forme de réalisation, l'unité d'affichage pourrait comprendre quatre séries de trois couleurs de lampes : vert, jaune et rouge de manière à ce qu'une lampe par série s'allume pour l'affichage de la séquence. Dans l'exemple de séquence décrit, la lampe de la première série serait la lampe verte, la lampe de la seconde série serait la lampe jaune, la lampe de la troisième série et de la quatrième seraient respectivement la rouge et la verte.Said instruction generator, being arranged to receive the management signal, then produces under control of the management signal 2, an instruction signal 3 comprising an action to be executed and transmits the an instruction signal to the display unit G and to the verifier F both being arranged to receive the instruction signal 3. The instruction signal could be, for example, a number sequence such as: 1 , 3, 5, 1, each number corresponding to a color: 1 corresponding to green; 3 to yellow; and 5 to red. The verifier then receives the instruction signal and stores it in its storage memory. The display unit receives the instruction signal and converts each number of the sequence into a color lamp firing. The display unit then displays the action to be executed in the form of a light sequence. According to one embodiment, the display unit could comprise four sets of three lamp colors: green, yellow and red so that one lamp per series turns on for display of the sequence. In the example sequence described, the lamp of the first series would be the green lamp, the lamp of the second series would be the yellow lamp, the lamp of the third series and the fourth would be respectively the red and the green.

L'ensemble des lampes allumées des quatre séries pourrait rester allumé, par exemple pendant 2 minutes de manière à ce que l'utilisateur puisse l'assimiler pour le reproduire ensuite.The set of lit lamps of the four series could remain lit, for example during 2 minutes so that the user can assimilate it to reproduce it then.

Selon une autre forme de réalisation, l'unité d'affichage ne comprendrait qu'une série de trois lampes : une verte, une jaune et une rouge. Chaque lampe s'allume selon la séquence, par exemple, pendant 30 secondes. Dans l'exemple décrit, la lampe verte s'allumerait pendant 30 secondes et s'éteindrait. Ensuite la lampe jaune s'allumerait pendant 30 secondes et s'éteindrait, etc. et enfin la lampe verte s'allumerait de nouveau pendant 30 secondes pour s'éteindre ensuite.According to another embodiment, the display unit would comprise only a series of three lamps: a green, a yellow and a red. Each lamp turns on in sequence, for example, for 30 seconds. In the example described, the green lamp would come on for 30 seconds and turn off. Then the yellow lamp would come on for 30 seconds and turn off, and so on. and finally the green lamp would come on again for 30 seconds and then go out.

Dans tous les cas, l'utilisateur surveillant la séquence lumineuse est invité à la reproduire en appuyant sur les touches de couleur correspondantes de l'entrée de commande et dans l'ordre indiqué par la séquence lumineuse, c'est-à-dire dans ce cas-ci en appuyant sur les touches verte, rouge, jaune et verte à nouveau.In any case, the user monitoring the light sequence is prompted to reproduce it by pressing the corresponding color keys of the command entry and in the order indicated by the light sequence, that is to say in this case by pressing the green, red, yellow and green keys again.

De même, l'utilisateur pourrait aussi utiliser un commutateur à tige ayant quatre commutateurs placés aux quatre points cardinaux autour de la tige. Dans notre exemple, l'unité d'affichage ne comprenant que trois couleurs distinctes, seuls trois points cardinaux correspondraient aux couleurs distinctes par exemple le Nord correspondrait au vert, l'Est au jaune et le Sud au rouge. De cette manière, l'utilisateur, pour reproduire la séquence, devra pousser la tige vers le Nord, vers l'Est, vers le Sud et de nouveau vers le Nord.Similarly, the user could also use a rod switch having four switches placed at the four cardinal points around the rod. In our example, the display unit only includes three distinct colors, only three cardinal points would correspond to distinct colors for example North would correspond to green, East to yellow and South to red. In this way, the user, to reproduce the sequence, will have to push the rod towards the North, towards the East, towards the South and again towards the North.

L'action exercée par l'utilisateur sur les touches ou sur le commutateur à tige produit un autre signal d'instruction qui est transmis par le dispositif d'émission au dispositif de réception. Le dispositif de réception, ayant bloqué sa mémoire, ne stocke pas le signal mais le transmet directement au générateur. Le générateur convertit alors cet autre signal d'instruction par une séquence chiffrée et transmet cet autre signal au vérificateur. L'autre signal d'instruction étant formé par une onde radioélectrique modulée pourra être converti par le générateur d'instruction en une séquence chiffrée par un convertisseur analogique digital de manière à retrouver dans l'exemple décrit la séquence 1, 3, 5, 1.The action exerted by the user on the keys or on the rod switch produces another instruction signal which is transmitted by the transmitting device to the receiving device. The receiving device, having blocked its memory, does not store the signal but transmits it directly to the generator. The generator then converts this other instruction signal into an encrypted sequence and transmits this other signal to the verifier. The other instruction signal being formed by a modulated radio wave can be converted by the instruction generator into a sequence encrypted by a digital analog converter so as to find in the example described the sequence 1, 3, 5, 1 .

Dans le cas où il y a concordance entre les deux signaux comparés par le vérificateur, celui-ci produit et émet à destination du dispositif de réception un premier signal de vérification 5. Le dispositif de réception alors débloque le signal de commande et le transmet à la machine. Dans le cas contraire, c'est-à-dire où il n'y a pas de concordance entre les deux signaux, le vérificateur produit et émet un second signal de vérification 6 bloquant le signal de commande ce qui empêche la machine de recevoir la commande de l'utilisateur.In the case where there is agreement between the two signals compared by the verifier, the latter produces and transmits to the receiving device a first verification signal 5. The receiving device then unblocks the control signal and transmits it to the machine. In the opposite case, that is to say where there is no match between the two signals, the verifier produces and sends a second verification signal 6 blocking the control signal which prevents the machine from receiving the signal. user control.

De cette manière, si l'utilisateur n'entre pas la bonne séquence de couleurs dans l'entrée de commande ou n'entre pas de commande du tout, celui-ci ne pourra commander la machine puisque l'autre signal de commande ne correspondra pas au signal d'instruction ou ne sera pas produit, le vérificateur ayant émis le second signal de vérification.In this way, if the user does not enter the correct color sequence into the control input or does not enter any command at all, it will not be able to control the machine since the other control signal will not match. not to the instruction signal or will not be produced, the verifier having issued the second verification signal.

En outre, l'unité d'affichage pourrait être fixée sur la machine elle-même, ou dans une zone de passage potentiellement dangereuse de manière à attirer l'attention de l'utilisateur sur un danger particulier. De même, l'unité d'affichage pourrait être agencée pour n'être perçue que d'une partie précise de la zone d'opération de ladite machine de façon à obliger l'opérateur à correctement se positionner pour voir correctement l'unité d'affichage.In addition, the display unit could be attached to the machine itself, or in a potentially dangerous passage area so as to draw the user's attention to a particular hazard. Likewise, the display unit could be arranged to be perceived only from a precise part of the operating zone of said machine so as to force the operator to correctly position himself in order to correctly see the unit. display.

De plus, l'unité d'affichage pourra être un écran de visualisation affichant des formes ou des lettres, l'entrée de commande comportant des touches sur lesquelles les formes ou les lettres identiques seront représentées.In addition, the display unit may be a display screen displaying shapes or letters, the control input having keys on which the shapes or the identical letters will be represented.

De même, selon une autre forme de réalisation, l'utilisateur pourra reproduire la séquence lumineuse en utilisant un commutateur à tige dont les pôles seront représentés par des couleurs, des formes ou des lettres.Similarly, according to another embodiment, the user can reproduce the light sequence using a rod switch whose poles will be represented by colors, shapes or letters.

De plus, le générateur d'instruction peut produire un signal d'instruction différent à chaque fois de manière à ce que les séquences de couleurs, de formes ou de lettres changent de façon aléatoire lors de chaque opération. De cette façon, l'utilisateur ne pourra introduire, par coeur, la séquence ce qui garantit que son regard est bien fixé sur l'unité d'affichage.In addition, the instruction generator may produce a different instruction signal each time so that the color, shape, or letter sequences change randomly during each operation. In this way, the user can not introduce, by heart, the sequence which ensures that his gaze is well fixed on the display unit.

De plus, le système de commande à distance, suivant l'invention, peut aussi être pourvu d'une mise en veille agencée pour travailler selon une règle prédéterminée, par exemple : si l'utilisateur appuie sur l'une des touches, pour la première fois, dans un laps de temps prédéterminé, par exemple : après 10 minutes de non-interaction avec l'entrée de commande; le système s'active de manière à ce que le dispositif de réception ne laisse pas passer le signal de commande vers la machine mais attend l'autorisation de passage donnée par le premier signal de vérification. Ensuite, une fois que le dispositif de réception ait reçu le premier signal de vérification, le dispositif de réception laisse passer les signaux de commande à condition que le laps de temps entre chaque signal ne dépasse pas, dans ce cas-ci, les 10 minutes.In addition, the remote control system, according to the invention, can also be provided with a standby arranged to work according to a predetermined rule, for example: if the user presses one of the keys, for the first time, within a predetermined period of time, for example: after 10 minutes of non-interaction with the command entry; the system is activated so that the receiving device does not pass the control signal to the machine but waits for the passage authorization given by the first verification signal. Then, once the receiving device has received the first verification signal, the receiving device passes the control signals provided that the time between each signal does not exceed, in this case, the 10 minutes. .

De même, certaines actions que l'utilisateur désirerait effectuer avec la machine, pourraient nécessiter une validation du signal de commande par l'exécution d'une action. Ainsi, si l'utilisateur désire par exemple faire reculer un pont roulant de manière rapide en appuyant sur l'entrée de commande, la touche "reculer rapidement", le système s'active en bloquant le signal de commande. A ce moment, le système activé bloque le passage du signal de commande vers la machine et se met en attente du premier signal de vérification qui permet le passage du signal de commande.Similarly, some actions that the user would like to perform with the machine, may require validation of the control signal by performing an action. Thus, if the user wishes, for example, to quickly reverse a traveling crane by pressing the control input, the key "backs up quickly", the system activates by blocking the control signal. At this time, the activated system blocks the passage of the control signal to the machine and waits for the first verification signal which allows the passage of the control signal.

De cette manière, pour des actions particulières par exemple dangereuses, l'utilisateur sera obligé de surveiller attentivement la machine.In this way, for particular actions for example dangerous, the user will be obliged to carefully monitor the machine.

Faisant référence à la figure 2, le système de commande à distance comprend un dispositif d'émission A et un dispositif de réception B pourvus d'un système de transmission destiné à s'échanger des informations sous forme d'ondes radioélectriques modulées de manière bidirectionnelle. Le dispositif d'émission A est pourvu d'une entrée de commande C, d'un organe de réponse H et d'un vérificateur F ayant une mémoire de stockage. L'organe de réponse H étant relié au vérificateur F.Referring to the figure 2 , the remote control system comprises a transmission device A and a reception device B provided with a transmission system for exchanging information in the form of bidirectionally modulated radio waves. The transmission device A is provided with a control input C, a response member H and a verifier F having a storage memory. The response member H being connected to the verifier F.

Le dispositif de réception B d'une part est pourvu d'une mémoire capable de stocker au moins un signal de commande 1 et d'autre part est relié à la machine D et à un générateur d'instruction E.The reception device B on the one hand is provided with a memory capable of storing at least one control signal 1 and on the other hand is connected to the machine D and to an instruction generator E.

Selon cette forme de réalisation, le générateur d'instruction produit et envoie le signal d'instruction 3 au dispositif de réception qui se charge de le transmettre d'une part à l'organe de réponse et d'autre part au vérificateur. L'organe de réponse étant agencé pour que le signal d'instruction envoyé 3 ne soit captable que dans un rayon d'un nombre de mètres prédéterminés autour du dispositif de réception par exemple dans une zone de 20 m2 . According to this embodiment, the instruction generator produces and sends the instruction signal 3 to the reception device which is responsible for transmitting it on the one hand to the response member and on the other hand to the verifier. The response member being arranged so that the instruction signal sent 3 is only receivable within a predetermined number of meters around the receiving device for example in a zone of 20 m 2 .

L'organe de réponse reçoit le signal d'instruction à condition qu'il se trouve dans la zone de 20 m2 et produit alors, sans intervention de l'utilisateur, sur base dudit signal d'instruction, un autre signal d'instruction 4. L'autre signal d'instruction est ensuite transmis au vérificateur qui le compare avec le signal d'instruction stocké dans la mémoire de stockage. Le vérificateur produit et émet alors selon la conformité des deux signaux soit un premier signal de vérification 5 soit un second signal de vérification 6.The response member receives the instruction signal provided it is in the area of 20 m 2 and then produces, without user intervention, based on said instruction signal, another instruction signal. 4. The other instruction signal is then transmitted to the verifier which compares it with the instruction signal stored in the storage memory. The verifier produces and then transmits according to the conformity of the two signals either a first verification signal 5 or a second verification signal 6.

De cette manière, si l'utilisateur ne se trouve pas dans la zone restreinte prédéterminée, l'organe de réponse ne reçoit pas le signal d'instruction ce qui l'empêche de produire l'autre signal d'instruction. L'autre signal d'instruction est produit par conversion du signal d'instruction par l'organe de réponse. Par exemple les signaux modulés sur onde radioélectrique sont démodulés pour être convertis en séquence chiffrée. L'autre signal d'instruction étant essentiel pour pouvoir réaliser la vérification et donc pour que le dispositif de réception laisse ou non passer le signal de commande vers la machine. L'utilisateur ne peut donc pas commander la machine.In this way, if the user is not in the predetermined restricted zone, the response member does not receive the instruction signal which prevents it from producing the other instruction signal. The other instruction signal is produced by converting the instruction signal to the response member. For example, radio wave modulated signals are demodulated to be converted into an encrypted sequence. The other instruction signal is essential to be able to perform the verification and thus for the receiving device or not to pass the control signal to the machine. The user can not control the machine.

De la même façon, on peut diminuer la sensibilité de réception de l'organe de réponse de manière à ce que l'utilisateur soit obligé d'approcher l'organe de réponse du dispositif de réception pour recevoir la transmission.In the same way, it is possible to reduce the reception sensitivity of the response member so that the user is obliged to approach the response member of the receiving device to receive the transmission.

Selon une autre forme de réalisation où le vérificateur est situé dans le dispositif de réception ou proche de celui-ci, l'organe de réponse peut être agencé pour émettre l'autre signal d'instruction de manière à obliger l'utilisateur à s'approcher du dispositif de réception pour transmettre ledit autre signal d'instruction au vérificateur.According to another embodiment where the verifier is located in or near the receiving device, the response member may be arranged to transmit the other instruction signal so as to oblige the user to approaching the receiving device to transmit said other instruction signal to the verifier.

En faisant référence à la figure 3, cette forme préférentielle de réalisation de l'invention est analogue aux formes de réalisation précédemment décrites mais diffère néanmoins en ce que le vérificateur est pourvu d'une mémoire de stockage et de deux sorties, l'une reliée à l'entrée du dispositif de réception B, et l'autre à une entrée de commande de l'unité d'affichage.Referring to the figure 3 , this preferred embodiment of the invention is similar to the previously described embodiments but nevertheless differs in that the verifier is provided with a storage memory and two outputs, one connected to the input of the device of the invention. reception B, and the other to a control input of the display unit.

L'unité d'affichage G est pourvue, dans l'exemple décrit, d'un nombre prédéterminé de lampes de couleurs distinctes, par exemple trois lampes de couleurs jaune, rouge et verte. Dans cet exemple, ladite entrée de commande comprendra un nombre de touches de couleurs distinctes au moins égal au nombre de couleurs distinctes affichées par l'unité d'affichage. De plus, l'unité d'affichage comprend une mémoire capable de stocker le signal d'instruction.The display unit G is provided, in the example described, with a predetermined number of lamps of different colors, for example three lamps of yellow, red and green colors. In this example, said control input will comprise a number of distinct color keys at least equal to the number of distinct colors displayed by the display unit. In addition, the display unit includes a memory capable of storing the instruction signal.

Ledit générateur d'instruction, agencé pour recevoir le signal de gestion 2, produit alors sous contrôle du signal de gestion, un signal d'instruction comprenant une action à exécuter et transmet le signal d'instruction vers l'unité d'affichage G et vers le vérificateur F, tous deux étant agencés pour recevoir le signal d'instruction 3. Le signal d'instruction comprend une série de n signaux successifs, n étant un nombre naturel plus grand que 1.Said instruction generator, arranged to receive the management signal 2, then produces under control of the management signal, an instruction signal comprising an action to be executed and transmits the instruction signal to the display unit G and to the verifier F, both being arranged to receive the instruction signal 3. The instruction signal comprises a series of n successive signals, n being a natural number greater than 1.

Le signal d'instruction est, dans le présent exemple, formé de quatre signaux successifs, comme par exemple 1, 3, 5, 1, chaque nombre correspondant respectivement au premier 31, deuxième 32, troisième 33 et quatrième signal successif 34. De plus à chaque nombre correspond une couleur, par exemple, 1 : vert; 3 : jaune et 5 : rouge.The instruction signal is, in the present example, formed of four successive signals, for example 1, 3, 5, 1, each number corresponding respectively to the first 3 1 , second 3 2 , third 3 3 and fourth successive signal 3 4 . In addition to each number corresponds a color, for example, 1: green; 3: yellow and 5: red.

Le vérificateur reçoit alors le signal d'instruction et le stocke dans sa mémoire de stockage. L'unité d'affichage G reçoit le signal d'instruction, stocke la séquence dans sa mémoire et convertit d'abord le premier nombre de la séquence ce qui entraîne l'allumage de la lampe qui correspond à ce nombre. Dans l'exemple décrit, le nombre 1 correspondant à la couleur verte est converti en l'allumage de la lampe verte.The verifier then receives the instruction signal and stores it in its storage memory. The display unit G receives the instruction signal, stores the sequence in its memory and first converts the first number of the sequence which causes the lighting of the lamp which corresponds to this number. In the example described, the number 1 corresponding to the green color is converted into the lighting of the green lamp.

L'utilisateur surveillant l'unité d'affichage est invité à appuyer sur la touche de couleur correspondante, de l'entrée de commande C c'est-à-dire la touche verte.The user monitoring the display unit is prompted to press the corresponding color key of the control input C, ie the green key.

L'action exercée par l'utilisateur sur la touche verte produit un premier autre signal 41 qui est transmis au dispositif de réception. Le dispositif de réception, ayant bloqué sa mémoire, ne stocke pas le signal mais le transmet directement au générateur. Le générateur convertit alors ce premier autre signal par son nombre et transmet ce premier autre signal au vérificateur. Le vérificateur compare alors ce premier autre signal avec le premier signal. Dans le cas où il y a concordance entre ce premier autre signal et ce premier signal, le vérificateur envoie un signal de poursuite à l'unité d'affichage, l'unité d'affichage étant agencé pour recevoir le signal de poursuite 7. Sur base du signal de poursuite, l'unité d'affichage éteint la lampe qui était allumée et extrait de sa mémoire le nombre suivant de la séquence. L'unité d'affichage convertit alors le nombre suivant de la séquence, dans ce cas-ci le deuxième nombre, en allumage de la lampe qui correspond à ce nombre. Dans l'exemple décrit, le nombre 3 étant le deuxième nombre, c'est la lampe jaune qui s'allumera.The action exerted by the user on the green key produces a first other signal 4 1 which is transmitted to the receiving device. The receiving device, having blocked its memory, does not store the signal but transmits it directly to the generator. The generator then converts this first other signal by its number and transmits this first other signal to the verifier. The verifier then compares this first other signal with the first signal. In the case where there is agreement between this first other signal and this first signal, the verifier sends a tracking signal to the display unit, the display unit being arranged to receive the tracking signal. Based on the tracking signal, the display unit turns off the lamp that was turned on and extracts from its memory the next number in the sequence. The display unit then converts the next number of the sequence, in this case the second number, to the lighting of the lamp corresponding to that number. In the example described, the number 3 being the second number, it is the yellow lamp that will light.

De la même manière, la boucle de validation se poursuit jusqu'au nième autre signal successif, l'autre signal d'instruction étant formé d'une série de n autre signaux. Le nième autre signal est alors converti par le générateur d'instruction et est transmis au vérificateur.In the same way, the validation loop continues to the nth successive other signal, the other instruction signal being formed of a series of n other signals. The nth other signal is then converted by the instruction generator and passed to the verifier.

Dans la cas où il y a concordance entre le niéme autre signal et le niéme signal, le vérificateur produit et émet à destination du dispositif de réception un premier signal de vérification 5. Le dispositif de réception alors débloque le signal de commande 1 et le transmet à la machine. Dans le cas contraire, c'est-à-dire où il n'y a pas de concordance entre les deux signaux, le vérificateur produit et émet un second signal de vérification 6 bloquant le signal de commande ce qui empêche la machine de recevoir la commande de l'utilisateur.In the case where there is a match between the n'th other signal and the n-th signal, the verifier generates and transmits to the receiving device a first verification signal 5. The receiving device then unlocks the control signal 1 and transmit it to the machine. In the opposite case, that is to say where there is no match between the two signals, the verifier produces and sends a second verification signal 6 blocking the control signal which prevents the machine from receiving the signal. user control.

De cette manière, l'utilisateur ne doit pas retenir une séquence de couleur compliquées mais doit néanmoins suivre les instructions de l'unité d'affichage pour que le vérificateur puisse valider l'action à exécuter,In this way, the user must not retain a complicated color sequence but must nevertheless follow the instructions of the display unit so that the verifier can validate the action to be performed,

En cas de non concordance de l'un nième-1 des autres signaux avec son nième-1 signal correspondant, la procédure de validation est ainsi stoppée puisque aucun signal de poursuite n'est envoyé à l'unité d'affichage. Comme l'unité d'affichage n'allume pas la lampe de couleur suivant la précédente la boucle de validation est stoppée.In case of nonconformance of the nth -1 of the other signals with its n th -1 corresponding signal, the validation procedure is thus stopped since no tracking signal is sent to the display unit. As the display unit does not light the color lamp following the previous one, the validation loop is stopped.

Selon une autre forme de réalisation, le système de commande tel que décrit précédemment pourrait être pourvu d'un organe de mise en marche, qui produit et envoie un signal de mise en marche au dispositif de réception.According to another embodiment, the control system as described above could be provided with a start-up device, which generates and sends a start signal to the receiving device.

Le dispositif de réception produirait, sur base de ce signal de mise en marche, le signal de gestion. Le signal de commande dans cette autre forme de réalisation n'interviendra plus dans la production du signal de gestion.The receiving device would produce, based on this start signal, the management signal. The control signal in this other embodiment will no longer intervene in the production of the management signal.

En outre, l'organe de mise en marche pourrait être un barillet dans lequel il faudrait tourner une clef pour mettre en marche le moteur d'une machine. Ainsi, la mise en marche du moteur provoquerait en même temps l'initialisation de la procédure de validation. De cette manière, le dispositif de réception recevra le signal de mise en marche et produira, sous contrôle de ce signal de mise en marche, le signal de gestion qui se sera transmis au générateur d'instruction.In addition, the start member could be a cylinder in which it would turn a key to start the engine of a machine. Thus, starting the engine would cause at the same time the initialization of the validation procedure. In this way, the receiving device will receive the start signal and produce, under control of this start signal, the management signal that will be transmitted to the instruction generator.

De plus, les deux formes de réalisation peuvent s'additionner de manière à ce que lors de la mise en marche du système de commande ce soit le signal de mise en marche qui contrôle la production du signal de gestion alors que lorsque le système de commande à distance est déjà en marche, ce soit le signal de commande qui contrôle la production du signal de gestion.Moreover, the two embodiments can be added so that when the control system is turned on it is the start signal which controls the production of the management signal whereas when the control system remote is already running, it is the control signal that controls the production of the management signal.

En faisant référence à la figure 4, cette forme de réalisation selon l'invention est analogue à la forme de réalisation illustrée à la figure 1 et décrite, mais diffère néanmoins en ce que le dispositif d'émission et de réception est remplacé par un poste de commande I ayant une entrée de commande C. Le poste de commande, relié à la machine D, est agencé pour transmettre un signal de commande 1 à ladite machine, sur base d'informations introduites par un utilisateur dans ladite entrée de commande.Referring to the figure 4 this embodiment according to the invention is similar to the embodiment illustrated in FIG. figure 1 and described, but differs nevertheless in that the transmitting and receiving device is replaced by a control station I having a control input C. The control station, connected to the machine D, is arranged to transmit a signal of command 1 to said machine, based on information entered by a user into said control input.

En outre le poste de commande est relié à l'entrée du générateur d'instruction E et produit un signal de gestion 2. Sur base de ce signal de gestion, le générateur d'instruction E produit et diffuse un signal d'instruction 3 d'une part au vérificateur F et d'autre part à une unité d'affichage G. De manière analogue, le signal de commande ne sera pas directement transmis à la machine mais sera mis en attente du premier signal de vérification 7, débloquant le signal de commande. L'utilisateur est donc toujours invité à exécuter l'action affichée sur le panneau d'affichage par l'intermédiaire de l'entrée de commande du poste de commande. De l'action de l'utilisateur sur l'entrée de commande résultera un autre signal d'instruction 4 destiné au vérificateur.In addition, the control station is connected to the input of the instruction generator E and produces a management signal 2. On the basis of this management signal, the instruction generator E produces and broadcasts an instruction signal 3 of the command signal. on the one hand to the verifier F and on the other hand to a display unit G. Similarly, the control signal will not be transmitted directly to the machine but will be put on hold for the first verification signal 7, unblocking the signal control. The user is therefore always prompted to perform the action displayed on the display panel via the command entry of the control station. From the action of the user on the control input will result another instruction signal 4 intended for the verifier.

Cette forme de réalisation pourrait servir à augmenter la sécurité de machines ne nécessitant pas d'être commandées à distance, mais au contraire pouvant être commandées directement via un poste de commande relié à la machine, par exemple par un câble permettant le transport des signaux.This embodiment could serve to increase the safety of machines that do not need to be controlled remotely, but instead can be controlled directly via a control station connected to the machine, for example by a cable for the transport of signals.

De plus, selon une autre forme de réalisation, le poste de commande peut aussi être relié à un organe de mise en marche agencé pour produire un signal de mise en marche et l'envoyer au poste de commande. De manière analogue à la forme de réalisation que décrit la figure 3, le signal de gestion serait produit, sous contrôle du signal de mise en marche et transmis au générateur.In addition, according to another embodiment, the control station can also be connected to an actuator arranged to produce a start signal and send it to the control station. In a similar manner to the embodiment described in figure 3 , the management signal would be produced under control of the start signal and transmitted to the generator.

REFERENCESREFERENCES

AAT
dispositif d'émissiontransmission device
BB
dispositif de réceptionreceiving device
CVS
entrée de commandeorder entry
DD
machinemachine
EE
générateur d'instructioninstruction generator
FF
vérificateurchecker
GBOY WUT
unité d'affichagedisplay unit
HH
organe de réponseresponse organ
II
poste de commandecontrol station
11
signal de commandecommand signal
22
signal de gestionmanagement signal
33
signal d'instructioninstruction signal
44
autre signal d'instructionother instruction signal
55
premier signal de vérificationfirst verification signal
66
second signal de vérificationsecond verification signal
31 3 1
premier signal successiffirst successive signal
32 3 2
deuxième signal successifsecond successive signal
33 3 3
troisième signal successifthird successive signal
34 3 4
quatrième signal successiffourth successive signal
41 4 1
premier autre signal successiffirst other successive signal
42 4 2
deuxième autre signal successifsecond other successive signal
43 4 3
troisième autre signal successifthird successive other signal
44 4 4
quatrième autre signal successiffourth successive other signal
77
signal de poursuitetracking signal

Claims (14)

  1. A control system comprising a control means (A, B, I) formed by a control device (I) or at least one transmitter device (A) and one receiving device (B), said control means having a control input (C) and a reviewer (F), and being arranged to transmit at least one control signal (1) produced based on information introduced by a user into said control input (C), to receive said at least one control signal and transmit it to a machine (D),
    characterized in that said control means (A, B, I) comprising a memory provided to store a first signal formed from said control signal (1) or from a start signal, coming from a start member, is arranged to produce, based on said first signal, a management signal (2), said control system comprising an instruction generator (E) connected to the control means (A, B, I) and arranged to receive said management signal (2), as well as to produce, under control of said management signal (2), at least one instruction signal (3), comprising an action to be performed, said instruction generator (E) being arranged to broadcast said at least one instruction signal (3), said instruction generator (E) being connected to said reviewer (F) arranged to receive the instruction signal (3) as well as another instruction signal (4) produced by a performance of said action, said reviewer (F) being arranged to compare the instruction signal (3) with the other instruction signal (4) and to produce, in case of match between said instruction signal (3) and said other instruction signal (4), a first review signal (5) and, in case of mismatch between said instruction signal (3) and the other instruction signal (4), a second review signal (6), said control means (A, B, I) being connected to said reviewer (F) and arranged on one hand to transmit the first signal, under control of the first review signal (5) and, on the other hand, to block the first signal, under control of the second review signal (6).
  2. The system according to claim 1, wherein said first signal is said control signal (1).
  3. The system according to claim 1, wherein said fist signal is said start signal.
  4. The system according to one of claims 1 to 3, wherein the receiving device (B) of said control means is connected to said instruction generator (E) and to said reviewer (F) and is arranged to receive said first signal transmitted by said transmitter device (A) comprising said control input such that the control system is a remote control system.
  5. The system according to one of claims 1 to 4, comprising a transmitter member, connected to the instruction generator (E) arranged to receive said at least one instruction signal (3) and to produce, under control of the instruction signal (3), an electromagnetic wave incorporating the action to be performed, said transmitter member being arranged to transmit said electromagnetic wave.
  6. The system according to any one of the preceding claims, comprising at least one display unit (G) arranged to receive said at least one instruction signal (3) and to display, under control of the instruction signal (3), the action to be performed.
  7. The system according to claim 6, wherein said at least one display unit (G) displays the action to be performed in the form of a color sequence including a predetermined number of colors, said control input (C) being provided with a number of switches each associated with distinct colors at least equal to the predetermined number of colors, said transmitter device (A) being arranged to transmit said other instruction signal (4) produced based on the contact exercised by a user on said switches each associated with distinct colors.
  8. The system according to any one of claims 1 to 7, wherein the instruction generator (E) is arranged to modulate said at least one instruction signal (3) on a radio wave.
  9. The system according to any one of claims 1 to 8, wherein said at least one transmitter device (A) and said receiver device (B) are provided with a bidirectional transmission system designed to exchange information.
  10. The system according to any one of claims 3 to 9, wherein said instruction generator (E) is arranged to send said instruction signal (3) to said receiving device (B), which is arranged to receive said instruction signal (3) and includes transmission means arranged to transmit said instruction signal in a predetermined limited area.
  11. The system according to any one of claims 1 to 10, wherein the transmitter device (A) comprises a response member (H), connected to the reviewer (F), and arranged to receive said at least one instruction signal (3), said response member being arranged to produce, based on said at least one instruction signal, said other instruction signal (4), said response member being arranged to transmit said other instruction signal (4) to the reviewer (F), said response member being arranged to receive said at least one instruction signal (3) in at least a predetermined limited area,
  12. The system according to any one of claims 1 to 10, wherein the transmitter device (A) comprises a response member (H), connected to the reviewer (F), and arranged to receive said at least one instruction signal (3), said response member being arranged to produce, based on said at least one instruction signal, said other instruction signal (4), said response member being arranged to transmit said other instruction signal to the reviewer, said response member being arranged to transmit said other instruction signal in at least a predetermined limited area.
  13. The system according to any one of claims 1 to 12, wherein said transmitter device (A) is arranged to modulate said at least one control signal on radio wave.
  14. The system according to any one of the preceding claims, wherein the instruction signal is formed by n successive signals and the other instruction signal is formed by n other successive signals, n being a natural number greater than 1, said reviewer (F) being arranged to process the n signals and other signals successively.
EP01203223A 2001-08-28 2001-08-28 Remote control system Expired - Lifetime EP1288882B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP01203223A EP1288882B1 (en) 2001-08-28 2001-08-28 Remote control system
DE60143524T DE60143524D1 (en) 2001-08-28 2001-08-28 Remote Control System
AT01203223T ATE489693T1 (en) 2001-08-28 2001-08-28 REMOTE CONTROL SYSTEM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01203223A EP1288882B1 (en) 2001-08-28 2001-08-28 Remote control system

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EP1288882B1 true EP1288882B1 (en) 2010-11-24

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Publication number Priority date Publication date Assignee Title
GB0229700D0 (en) * 2002-12-19 2003-01-29 Koninkl Philips Electronics Nv Remote control system and authentication method
US8970363B2 (en) 2006-09-14 2015-03-03 Crown Equipment Corporation Wrist/arm/hand mounted device for remotely controlling a materials handling vehicle
CN101517622B (en) 2006-09-14 2016-03-16 克朗设备公司 For the system and method for Long-distance Control materials handling vehicle
US9522817B2 (en) 2008-12-04 2016-12-20 Crown Equipment Corporation Sensor configuration for a materials handling vehicle
US11641121B2 (en) 2019-02-01 2023-05-02 Crown Equipment Corporation On-board charging station for a remote control device
US11500373B2 (en) 2019-02-01 2022-11-15 Crown Equipment Corporation On-board charging station for a remote control device
EP4196857A1 (en) 2020-08-11 2023-06-21 Crown Equipment Corporation Remote control device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676296B1 (en) * 1991-05-07 1993-08-20 Jay Electronique Sa INSTALLATION FOR REMOTE CONTROL BY WIRELESS LINK OF A MOTORIZED MOBILE MACHINE.
SE9500389L (en) * 1995-02-02 1996-08-03 Bror Erland Blom Method and system for limiting the range of remote control systems
ITVI980062A1 (en) * 1998-03-27 1999-09-27 Bitelli Spa REMOTE CONTROL DEVICE FOR OPERATING MACHINES

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ATE489693T1 (en) 2010-12-15
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