DE10347844B4 - Method and device for activating / deactivating a longitudinal dynamics system - Google Patents
Method and device for activating / deactivating a longitudinal dynamics system Download PDFInfo
- Publication number
- DE10347844B4 DE10347844B4 DE10347844A DE10347844A DE10347844B4 DE 10347844 B4 DE10347844 B4 DE 10347844B4 DE 10347844 A DE10347844 A DE 10347844A DE 10347844 A DE10347844 A DE 10347844A DE 10347844 B4 DE10347844 B4 DE 10347844B4
- Authority
- DE
- Germany
- Prior art keywords
- signal
- switching
- dynamics system
- longitudinal dynamics
- longitudinal
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000003213 activating effect Effects 0.000 title description 6
- 230000000630 rising effect Effects 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 claims description 14
- 238000011156 evaluation Methods 0.000 claims description 8
- 230000004913 activation Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 230000001133 acceleration Effects 0.000 description 5
- 230000009849 deactivation Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
- B60K31/02—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including electrically actuated servomechanism including an electric control system or a servomechanism in which the vehicle velocity affecting element is actuated electrically
- B60K31/04—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including electrically actuated servomechanism including an electric control system or a servomechanism in which the vehicle velocity affecting element is actuated electrically and means for comparing one electrical quantity, e.g. voltage, pulse, waveform, flux, or the like, with another quantity of a like kind, which comparison means is involved in the development of an electrical signal which is fed into the controlling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
- B60K31/02—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including electrically actuated servomechanism including an electric control system or a servomechanism in which the vehicle velocity affecting element is actuated electrically
- B60K31/04—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including electrically actuated servomechanism including an electric control system or a servomechanism in which the vehicle velocity affecting element is actuated electrically and means for comparing one electrical quantity, e.g. voltage, pulse, waveform, flux, or the like, with another quantity of a like kind, which comparison means is involved in the development of an electrical signal which is fed into the controlling means
- B60K31/042—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including electrically actuated servomechanism including an electric control system or a servomechanism in which the vehicle velocity affecting element is actuated electrically and means for comparing one electrical quantity, e.g. voltage, pulse, waveform, flux, or the like, with another quantity of a like kind, which comparison means is involved in the development of an electrical signal which is fed into the controlling means where at least one electrical quantity is set by the vehicle operator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
- B60W2540/106—Rate of change
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Controls For Constant Speed Travelling (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
Verfahren zum Umschalten eines die Fahrzeuglängsgeschwindigkeit eines Fahrzeugs regelnden Längsdynamiksystems (6) von einem deaktivierten in einen aktivierten Betriebszustand, wobei ein elektrisches Ansteuersignal (A) zum Umschalten des Längsdynamiksystems (6) erzeugt wird, wenn ein eine Fahrerbetätigung (6) beschreibendes Betätigungssignal (B) eine Umschaltbedingung erfüllt, wobei das Betätigungssignal (B) über die Betätigung des Fahrpedals (7) des Fahrzeugs hervorgerufen wird, dadurch gekennzeichnet, dass die Umschaltbedingung erfüllt ist, wenn das Betätigungssignal (B) innerhalb eines vorgegebenen Zeitintervalls zuerst eine ansteigende Flanke und anschließend eine abfallende Flanke aufweist.method for switching a vehicle longitudinal speed of a vehicle regulating longitudinal dynamics system (6) from a deactivated to an activated operating state, wherein an electrical drive signal (A) for switching the longitudinal dynamics system (6) is generated when an operation signal describing a driver operation (6) (B) satisfies a switching condition wherein the actuation signal (B) over the operation of the accelerator pedal (7) of the vehicle, characterized in that that meets the switching condition is when the actuation signal (B) first a rising edge within a given time interval and subsequently has a falling edge.
Description
Die Erfindung betrifft ein Verfahren zum Umschalten eines die Fahrzeuglängsgeschwindigkeit eines Fahrzeugs beeinflussenden und insbesondere regelnden Längsdynamiksystems nach dem Oberbegriff des Patentanspruches 1 oder des Patentanspruches 2. Die Erfindung betrifft des Weiteren eine Vorrichtung zur Durchführung des Verfahrens nach dem Oberbegriff des Patentanspruches 8 oder des Patentanspruches 9.The The invention relates to a method for switching over a vehicle longitudinal speed a vehicle influencing and in particular regulating longitudinal dynamics system according to the preamble of claim 1 or claim 2. The invention further relates to a device for carrying out the Method according to the preamble of claim 8 or of Claim 9.
Ein
derartiges Verfahren bzw. eine derartige Vorrichtung sind aus der
Ferner
beschreibt die
Weiterhin
geht aus der
Die
Die
Eine
Sensoreinheit zur Erfassung der Pedalstellung ist beispielsweise
aus
Des
Weiteren offenbart die
Ausgehend vom nächstkommenden Stand der Technik ist es eine Aufgabe der vorliegenden Erfindung, eine komfortable Bedienung eines Längsdynamiksystems zu schaffen.outgoing from the nearest It is an object of the present invention to provide to create a comfortable operation of a longitudinal dynamics system.
Diese Aufgabe wird durch ein Verfahren gemäß Patentanspruch 1 oder Patentanspruch 2 und durch eine Vorrichtung gemäß Patentanspruch 8 oder Patentanspruch 9 gelöst.These The object is achieved by a method according to claim 1 or claim 2 and by a device according to claim 8 or claim 9 solved.
Die Betätigung des ohnehin im Fahrzeug vorhandenen Fahrpedals wird erfasst und zur Aktivierung bzw. zur Deaktivierung des Längsdynamiksystems verwendet. Hierfür wird zur Überprüfung der Erfüllung der Umschaltbedingung ausgewertet, ob innerhalb eines vorgegebenen Zeitintervalls zunächst eine ansteigende Flanke und anschließend eine abfallende Flanke des Betätigungssignals vorliegen. Beispielsweise kann durch kurzes Antippen des Fahrpedals, ähnlich wie bei einem „Maus-Klick" bei einer PC-Maus, das Längsdynamiksystem in seinen aktivierten bzw. deaktivierten Betriebszustand umgeschaltet werden. Da das Fahrpedal vom Fahrer ohnehin für die Anforderung einer Beschleunigung in Längsrichtung des Fahrzeugs genutzt wird, kann ein zusätzliches Bedienelement zum Ein- und Ausschalten des die Geschwindigkeit beeinflussenden bzw. regelnden Längsdynamiksystems entfallen.The activity of the already present in the vehicle accelerator pedal is detected and used to activate or deactivate the longitudinal dynamics system. Therefor will check the fulfillment of the Switchover condition evaluated, whether within a given time interval first one rising edge and then a falling edge of the actuating signal available. For example, by briefly tapping the accelerator pedal, similar to with a "mouse click" on a PC mouse, the longitudinal dynamics system switched to its activated or deactivated operating state become. Because the accelerator pedal from the driver anyway for the request of acceleration longitudinal of the vehicle is used, an additional operating element for Switching on and off the speed influencing or regulating Longitudinal dynamics system omitted.
Vorteilhafte Ausgestaltungen des erfindungsgemäßen Verfahrens bzw. der erfindungsgemäßen Vorrichtung ergeben sich aus den abhängigen Patentansprüchen.advantageous Embodiments of the method and the device according to the invention arise from the dependent ones Claims.
Vorteilhafterweise muss das Betätigungssignal zunächst zumindest um den ersten Änderungswert ansteigen (ansteigende Flanke) und anschließend zumindest um einen zweiten Änderungswert absinken (abfallenden Flanke) um die Umschaltbedingung zu erfüllen.advantageously, must be the actuation signal first at least the first change value increase (rising edge) and then drop at least by a second change value (falling edge) to meet the switching condition.
Weiterhin besteht die Möglichkeit, das Betätigungssignal aus einem die vom Fahrer auf das Fahrpedal aufgebrachte Kraft beschreibenden Kraftsignal zu ermitteln. Dabei kann das Kraftsignal zur Bestimmung des Betätigungssignals tiefpassgefil tert werden. Auf diese Weise werden kleine, schnelle Änderungen im Kraftsignal, die keinen Wunsch des Fahrers darstellen die Längsbeschleunigung zu ändern, herausgefiltert. Diese schnellen Änderungen im Kraftsignal entstehen dadurch, dass es für den Fahrer nicht möglich ist, die Krafteinwirkung auf das Fahrpedal exakt konstant beizubehalten, auch wenn der Beschleunigungswunsch nicht geändert werden soll.Furthermore, it is possible to determine the actuation signal from a force signal applied by the driver to the accelerator pedal. In this case, the force signal for determining the actuation signal can be tiefpassgefil tert. In this way, small, fast changes in the force signal that do not represent a driver's desire to change the longitudinal acceleration are filtered out. These rapid changes in the force signal arise from the fact that it is for the Fah rer is not possible to maintain the force on the accelerator pedal exactly constant, even if the acceleration request is not to be changed.
Zweckmäßigerweise wird die zum Zeitpunkt des Umschaltens des Längsdynamiksystems vom deaktivierten in den aktivierten Betriebszustand aktuell vorliegende Fahrzeuglängsgeschwindigkeit dem Längsdynamiksystem als Sollgeschwindigkeit vorgegeben. Diese Sollgeschwindigkeit kann im aktivierten Betriebszustand des Längsdynamiksystems über eine separate Einstelleinrichtung, beispielsweise ein Einstellrad, verändert werden. Der Fahrer kann somit bei eingeschaltetem Längsdynamiksystem die Sollgeschwindigkeit anpassen, z. B. wenn sich die Verkehrsituation geändert hat und die Sollgeschwindigkeit deswegen erhöht oder verringert werden muss. Die Veränderung der Sollgeschwindigkeit über die Einstelleinrichtung kann dabei begrenzt sein. Es könnte beispielsweise ein maximaler Änderungswert vorgegeben sein, um den die aktuelle Sollgeschwindigkeit höchstens erhöht und verringert werden kann. Alternativ wäre es auch möglich, die Änderung der aktuellen Sollgeschwindigkeit lediglich um einen vorgegebenen Prozentsatz zu erlauben.Conveniently, is at the time of switching the longitudinal dynamics of the deactivated in the activated operating state currently present vehicle longitudinal speed the longitudinal dynamics system specified as target speed. This target speed can in the activated operating state of the longitudinal dynamics system via a separate adjustment, such as a dial to be changed. The driver can thus with the longitudinal dynamics system switched on the target speed adjust, for. B. if the traffic situation has changed and the target speed must therefore be increased or decreased. The change the target speed over the adjuster can be limited. It could for example a maximum change value is specified can be increased by the current target speed at most and can be reduced. alternative would it be also possible, the change the current target speed only by a predetermined To allow percentage.
Eine Ausführungsform des erfindungsgemäßen Verfahrens und der erfindungsgemäßen Vorrichtung werden im Folgenden anhand der beigefügten Zeichnung näher erläutert. Dabei zeigen:A embodiment the method according to the invention and the device according to the invention will be explained in more detail below with reference to the accompanying drawings. there demonstrate:
In
Die
Vorrichtung
Ein
beispielhafter zeitlicher Verlauf des Kraftsignals F in Abhängigkeit
von der Zeit t ist im ersten Diagramm in
Das
Betätigungssignal
B wird einer Auswerteeinrichtung
Anhand
der in
Im
ersten Diagramm in
Das
Betätigungssignal
B im zweiten Diagramm in
Bei
einer nicht näher
dargestellten Ausführungsform
könnte
anstatt der Änderung
des Betätigungssignals
B innerhalb einer vorgegebenen Zeitdauer Δt auch der Gradient des Betätigungssignals
B in der Auswerteeinrichtung
Bei einer weiteren alternativen Ausführungsform könnten auch andere zeitliche Verläufe des Betätigungssignals B zur Überprüfung ausgewertet werden, ob die Umschaltbedingung erfüllt ist. Beispielsweise könnte die Umschaltbedingung erfüllt sein, wenn innerhalb eines vorgegebenen Zeitintervalls das Betätigungssignal B zunächst zumindest um den ersten Änderungswert ΔB ansteigt und anschließend wieder zumindest um einen zweiten Änderungswert absinkt, so dass innerhalb des Zeitintervalls eine ansteigende und eine abfallende Flanke vorliegen würde. Im Unterschied zur dargestellten Ausführungsform würde damit die Erfüllung der Umschaltbedingung zusätzlich zur Erkennung einer ansteigenden Flanke auch die anschließende Erkennung einer abfallenden Flanke erfordern.at a further alternative embodiment could also other temporal courses the actuating signal B evaluated for review whether the switchover condition is met. For example, the Switchover condition fulfilled when, within a predetermined time interval, the actuation signal B first increases at least by the first change value ΔB and then again at least by a second change value, so that within the time interval a rising and a falling Edge would be present. In contrast to the illustrated embodiment would thus the fulfillment the switching condition in addition to detect a rising edge and the subsequent detection require a falling edge.
Die
Umschaltbedingung zum Aktivieren des Längsdynamiksystems
In
Abwandlung zum beschriebenen Ausführungsbeispiel ist es auch
möglich,
den zeitlichen Verlauf des Bremsbetätigungssignals B auf das Erfüllen der
Umschaltbedingung zur Deaktivierung des Längsdynamiksystems
Die
aktuelle Fahrzeuglängsgeschwindigkeit zum
vierten Zeitpunkt t4, zu dem das Ansteuersignal A
eine steigende Flanke zur Aktivierung des Längsdynamiksystems
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE10347844A DE10347844B4 (en) | 2003-10-10 | 2003-10-10 | Method and device for activating / deactivating a longitudinal dynamics system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE10347844A DE10347844B4 (en) | 2003-10-10 | 2003-10-10 | Method and device for activating / deactivating a longitudinal dynamics system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10347844A1 DE10347844A1 (en) | 2005-05-12 |
DE10347844B4 true DE10347844B4 (en) | 2006-04-13 |
Family
ID=34428419
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DE10347844A Expired - Fee Related DE10347844B4 (en) | 2003-10-10 | 2003-10-10 | Method and device for activating / deactivating a longitudinal dynamics system |
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DE (1) | DE10347844B4 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4655723B2 (en) * | 2005-03-31 | 2011-03-23 | トヨタ自動車株式会社 | Vehicle and control method thereof |
US20070105672A1 (en) * | 2005-10-18 | 2007-05-10 | Daren Luedtke | Variable speed transmission |
FR2904584B1 (en) * | 2006-08-04 | 2009-04-17 | Peugeot Citroen Automobiles Sa | CONTROL OF A SYSTEM FOR SERVING THE SPEED OF A MOTOR VEHICLE. |
JP4265646B2 (en) * | 2006-11-14 | 2009-05-20 | トヨタ自動車株式会社 | Cruise control control vehicle speed change device |
JP4229183B2 (en) | 2006-12-26 | 2009-02-25 | トヨタ自動車株式会社 | Control device |
DE102007031543A1 (en) * | 2007-07-06 | 2009-01-08 | Bayerische Motoren Werke Aktiengesellschaft | Target distance presetting method for ahead-driving vehicle, involves reducing target distance during subsequent driving to ahead-driving vehicle during actuation of accelerator pedal of motor vehicle |
DE102007031545A1 (en) | 2007-07-06 | 2009-01-08 | Bayerische Motoren Werke Aktiengesellschaft | Method for reactivating an interrupted speed control |
DE102008018472B3 (en) | 2008-04-11 | 2009-09-03 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Cruise control with shutdown for gear change |
DE102008061393A1 (en) * | 2008-12-10 | 2010-06-17 | Bayerische Motoren Werke Aktiengesellschaft | Cruise control for controlling speed of motor vehicle to predetermined target speed, has acceleration element for activating control and for presetting target speed, where switched on cruise control is activated when element is released |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19509494A1 (en) * | 1995-03-16 | 1996-09-19 | Daimler Benz Ag | Device for regulating the speed of a motor vehicle |
DE19802249C2 (en) * | 1998-01-20 | 2000-01-20 | Baldrun Weber | Method and device for regulating the speed of a vehicle |
DE19849715A1 (en) * | 1998-10-28 | 2000-05-04 | Bayerische Motoren Werke Ag | Speed governing device for motor vehicle has touch-contact switch in region of driver's foot and operated by foot used to depress accelerator pedal, and located to right of accelerator pedal |
DE19957269A1 (en) * | 1998-12-02 | 2000-06-08 | Luk Getriebe Systeme Gmbh | Motor vehicle has controller(s) for controlling at least two operating parameters or functions of group of operating parameters or functions contg. anti-slip regulator, speed controller, etc. |
DE19828533C2 (en) * | 1998-06-26 | 2000-12-14 | Harting Kgaa | Detection of pedal positions |
DE10145915A1 (en) * | 2001-09-18 | 2003-04-03 | Volkswagen Ag | Motor vehicle speed regulation, involves converting speed plus or minus delta value produced by gas/brake pedal position for at least certain time into automatically regulated speed |
EP1031453B1 (en) * | 1999-02-26 | 2003-06-25 | Thales | Vehicle accelerator pedal |
-
2003
- 2003-10-10 DE DE10347844A patent/DE10347844B4/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19509494A1 (en) * | 1995-03-16 | 1996-09-19 | Daimler Benz Ag | Device for regulating the speed of a motor vehicle |
DE19802249C2 (en) * | 1998-01-20 | 2000-01-20 | Baldrun Weber | Method and device for regulating the speed of a vehicle |
DE19828533C2 (en) * | 1998-06-26 | 2000-12-14 | Harting Kgaa | Detection of pedal positions |
DE19849715A1 (en) * | 1998-10-28 | 2000-05-04 | Bayerische Motoren Werke Ag | Speed governing device for motor vehicle has touch-contact switch in region of driver's foot and operated by foot used to depress accelerator pedal, and located to right of accelerator pedal |
DE19957269A1 (en) * | 1998-12-02 | 2000-06-08 | Luk Getriebe Systeme Gmbh | Motor vehicle has controller(s) for controlling at least two operating parameters or functions of group of operating parameters or functions contg. anti-slip regulator, speed controller, etc. |
EP1031453B1 (en) * | 1999-02-26 | 2003-06-25 | Thales | Vehicle accelerator pedal |
DE60003474T2 (en) * | 1999-02-26 | 2004-04-29 | Thales | Accelerator pedal for a motor vehicle |
DE10145915A1 (en) * | 2001-09-18 | 2003-04-03 | Volkswagen Ag | Motor vehicle speed regulation, involves converting speed plus or minus delta value produced by gas/brake pedal position for at least certain time into automatically regulated speed |
Also Published As
Publication number | Publication date |
---|---|
DE10347844A1 (en) | 2005-05-12 |
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8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: DAIMLERCHRYSLER AG, 70327 STUTTGART, DE |
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8327 | Change in the person/name/address of the patent owner |
Owner name: DAIMLER AG, 70327 STUTTGART, DE |
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8339 | Ceased/non-payment of the annual fee |