JP2014152032A - Elevator group control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform an operation service while reducing unfairness feeling of waiting time at destination call and up-down call.SOLUTION: The elevator group control system comprises: a first call registration device 21 registering destination call; and a second call registration device 22 registering up-down call. A group control controller 30 comprises: a waiting time actual totalization unit 37 totaling waiting time of the destination call; a non-response time actual totalization unit 38 totaling non-response time of the up-down call; and a weighting adjustment unit 39 for adjusting weighting of an allocation evaluation on the basis of an average value of the waiting time and an average value of non-responce time.

Description

  Embodiments of the present invention relate to a group management system for elevators divided into a floor for registering a destination call and a floor for registering an upper and lower call at a landing.

  Generally, an up / down call button for registering an up / down call as a hall call is installed at a landing on each floor of a building. The “up / down call” is a call created when a user operates an up or down button. In this up / down call, a car is assigned to each floor.

  In recent years, elevator group management systems that can register destination calls at landings have been put into practical use. A “destination call” is a call created when a user inputs a destination floor at a landing. In this destination call, a car is assigned to each user.

  A system that can register a destination call at a landing is called a “destination floor control system (DCS)”. The destination floor control system attempts to improve transportation efficiency by assigning the optimal car in each unit based on the destination call registered at the landing. In addition, when there are a plurality of elevator cars, it is called “unit”.

  Here, an elevator group management system is considered which is divided into a floor where destination calls are registered and a floor where upper and lower calls are registered. Such a system is called “hybrid DCS”. In this hybrid DCS, the evaluation method when assigning a car is different between a destination call and an up / down call. For this reason, the waiting time of one call may become long depending on the congestion situation. In general, the waiting time for a destination call is longer than that for an up / down call.

  Conventionally, various methods for allocation evaluation have been proposed in an elevator group management system, but these methods are intended only for destination calls or up / down calls.

JP 2007-26924 A JP 2005-67744 A

  As described above, in the hybrid DCS in which the destination call and the upper / lower call are mixed, the allocation evaluation is different between the destination call and the upper / lower call.

  The problem to be solved by the present invention is to provide an elevator group management system that can provide driving services while reducing unfairness in waiting time by destination calls and up and down calls.

  The elevator group management system according to the present embodiment includes a first call registration device for registering a destination call of a user on the first floor, and a second floor different from the first floor. In an elevator group management system including a second call registration device for registering a user's up / down call, when a call is registered by the first or second call registration device, the assigned call is included. In accordance with the prediction result of the operation prediction means using the first evaluation formula that predicts the future operation of each unit and the first evaluation formula with the waiting time and the boarding time as the targets of the allocation evaluation for the destination call. The first evaluation means for obtaining a first evaluation value when each unit is operated, and the second evaluation formula with a non-response time as an object of allocation evaluation for the upper and lower calls, the operation The above units are operated according to the prediction results of the prediction means. Second evaluation means for obtaining a second evaluation value at the time, a first evaluation value obtained by the first evaluation means, and a second evaluation value obtained by the second evaluation means An assigned unit determining means for selecting and responding to an assigned unit from the above units, and a first counting unit for counting the waiting time when the assigned unit responds to the registration floor of the call by the destination call; The second counting means for counting the unanswered time when the assigned machine responds to the registered floor of the call by the up / down call, the average value of the waiting time counted by the first counting means, and the second Weighting adjusting means for adjusting the weighting of the allocation evaluation in the first or second evaluation means based on the average value of the non-response times counted by the totaling means.

FIG. 1 is a block diagram showing the configuration of an elevator group management system according to the first embodiment. FIG. 2 is a diagram for explaining destination calls and up / down calls of the elevator group management system according to the embodiment. FIG. 3 is a flowchart showing the processing operation of the group management control apparatus according to the embodiment. FIG. 4 is a diagram showing an example of a congestion management table provided in the group management control device in the embodiment. FIG. 5 is a diagram illustrating an example of a destination call assignment storage unit provided in the group management control device according to the embodiment. FIG. 6 is a flowchart showing the processing operation of the group management control apparatus in the second embodiment. FIG. 7 is a block diagram showing a configuration of an elevator group management system according to the third embodiment. FIG. 8 is a flowchart showing the processing operation of the group management control apparatus according to the embodiment.

  Hereinafter, embodiments will be described with reference to the drawings.

(First embodiment)
FIG. 1 is a block diagram illustrating a configuration of an elevator group management system according to the first embodiment, in which a configuration is shown in which a plurality of elevators (here, three units of A to C) are group-managed. .

  11a-11c in a figure is a number machine control apparatus, 12a-12c is a passenger car. The machine control devices 11a to 11c are provided for each machine, and perform operation control of the machine corresponding to each machine. Specifically, control of a motor (winding machine) (not shown) for raising and lowering the cars 12a to 12c and door opening / closing control are performed. These machine control devices 11a to 11c are configured by a computer and are connected to a group management control device 30 which is a host device.

  The cars 12a to 12c move up and down in the hoistway by driving a motor. Operation panels 13a to 13c are installed in the cars 12a to 12c, respectively. The operation panels 13a to 13c are provided with various operation buttons including a door opening button and a door closing button in addition to a destination floor button for inputting a destination floor. In addition, load detectors 14a to 14c for detecting a load in the car room are installed at the bottoms of the cars 12a to 12c.

  The load data detected by the load detectors 14a to 14c is transmitted to the group management control device 30 via the machine control devices 11a to 11c together with the car call information registered by operating the destination floor buttons of the operation panels 13a to 13c. Is transmitted.

  In addition, a first call registration device 21 or a second call registration device 22 is installed at a landing (elevator hall) on each floor. The first call registration device 21 is a device called a “destination destination floor registration device”, and is a device for registering a destination call at a landing. The second call registration device 22 is a device for registering up / down calls at the landing.

  The “destination call” is a call created when a user inputs a destination floor at the landing, and includes information on the registered floor and the destination floor. In this destination call, a machine is assigned to each user. The “up / down call” is a call that is created when the user operates an up or down button at the hall, and includes information on the registered floor and the destination direction. In this up / down call, a machine is assigned for each combination of registered floor and destination direction.

  The first call registration device 21 has an input unit 21a for inputting a destination floor and a display unit 21b for displaying a number assigned to a user (assigned number). As a method for inputting the destination floor, in addition to a button operation, a method for reading information on a destination floor recorded in advance on a magnetic card possessed by the user may be used.

  The second call registration device 22 includes an upward button 22a for inputting an upward direction as a destination direction and a downward button 22b for inputting a downward direction as a destination direction. It should be noted that the lowermost floor is composed of only the upward button 22a and the uppermost floor is composed of only the downward button 22b.

  Here, the advantage of the destination call is that it is possible to shorten the lap time of the number machine and increase the transportation power by getting the same number of users on the same floor to get on the same number machine. Therefore, normally, the first call registration device 21 that can register a destination call on a floor (such as a reference floor) where there are relatively many users is used. On the other hand, in the floor where the number of users is relatively small, the second call registration device 22 including an up / down button that can be used easily is used.

  In the example of FIG. 1, the first call registration device 21 is installed on the first floor 23 with relatively many users, and the second call registration device 22 is installed on the second floor 24.

  In practice, the first call registration device 21 or the second call registration device 22 is installed on each floor. In this case, the first call registration device 21 and the second call registration device 22 are not installed on the same floor. If the first call registration device 21 and the second call registration device 22 are installed on the same floor, when the assigned machine responds to the landing, it is not known which call has responded and the user is lost. It is because it ends.

  The first call registration device 21 and the second call registration device 22 are connected to the group management control device 30 via a transmission cable (not shown). The group management control device 30 is a device for performing group management control of the operation of a plurality of units, and is configured by a computer in the same manner as the unit control units 11a to 11c.

  In this embodiment, the group management control device 30 includes a destination call assignment storage unit 31, an up / down call assignment storage unit 32, an operation prediction unit 33, a first evaluation unit 34, a second evaluation unit 35, and an assigned number determination unit. A portion 36 is provided.

  The destination call assignment storage unit 31 stores destination call information (registration floor, destination floor) registered by the first call registration device 21 and information on the car number to which the destination call is assigned. The up / down call assignment storage unit 32 stores the up / down call information (registration floor, destination direction) registered by the second call registration device 22 and the information of the unit to which the up / down call is assigned.

  When the call is registered by the first call registration device 21 or the second call registration device 22, the operation prediction unit 33 is registered with the assigned call (the landing call) and the operation panels 13a to 13c. Predict future operations of each unit, including car calls. The “allocated call” is also referred to as “allocated call”.

  The existing allocation of the upper and lower calls is held in the upper and lower call allocation storage unit 32 until the assigned machine responds to the registration floor of the call. On the other hand, the existing assignment of the destination call is held in the destination call assignment storage unit 31 until the assigned machine arrives at the destination floor of the call and opens.

In response to the destination call, the first evaluation unit 34 operated each unit according to the prediction result of the operation prediction unit 33 by using the _first evaluation formula E1 in which the waiting time and the boarding time are the targets of the allocation evaluation. The first evaluation value is obtained.

・ First evaluation formula
E ₁ = T ₁ × p + T ₂ × (1−p)
T ₁ is the latency (predicted value), _{T 2} is the boarding time (predicted value). p is a weighting coefficient and takes a value of 0 to 1. In the fixed mode, for example, p = 0.6 is set. In this case, the first evaluation formula is represented by E ₁ = T ₁ × 0.6 + T ₂ × 0.4.

When the second evaluation unit 35 operates each unit according to the prediction result of the operation prediction unit 33 using the _second evaluation formula E2 with the non-response time as the target of the allocation evaluation for the up and down calls. A second evaluation value is obtained.

・ Second evaluation formula
E ₂ = T ₃
T ₃ is a non-response time (predicted value).

Here, T ₁ , T ₂ , and T ₃ are defined as follows.
Destination call waiting time T ₁ : Time from when the destination call is registered until the assigned machine responds to the registration floor of the call
Destination call boarding time T ₂ : Time from when the assigned unit responds to the registration floor until it arrives at the destination floor and opens
Up / down call unanswered time T ₃ : Time from when the up / down call is registered until the assigned machine responds to the registration floor of the call.

  The assigned unit determination unit 36 selects an assigned unit from among the units based on the first evaluation value obtained by the first evaluation unit 34 and the second evaluation value obtained by the second evaluation unit 35. Select and respond. Specifically, the group management control device 30 is provided with an operation control unit (not shown). The operation control unit outputs an operation command to the number control device corresponding to the assigned number determined by the assigned number determination unit 36, whereby the assigned number responds to the registration floor of the call.

  Here, in order to facilitate understanding, allocation processing in the group management system will be described.

  The process of deciding the machine to which a newly registered call (destination call or up / down call) is assigned is called an assignment process. To determine which unit is best assigned, predict the future operation of each unit.

Future operation prediction is performed for each unit in the following two cases.
・ Prediction when a newly registered call is assigned to that unit
• Prediction when a newly registered call is not assigned to that unit.

In any prediction, the following information is used.
・ Unit position and direction at the start of prediction
・ Information on hall calls that have already been assigned (upper and lower calls and destination calls)
-In the prediction when a new call is assigned, the information of the new call
・ Registered car call information.

The predicted value of the predicted value and the traveling time T ₂ of the waiting time T ₁ of the destination call from the prediction result, the predicted value of the upper and lower nominal unanswered time T ₃ is obtained.

The destination call evaluation value is obtained for each destination call. As shown in the first evaluation formula E _1, evaluation values of the destination call to the weighted sum of the waiting time T _{1 (predicted} value) and the traveling time T _{2 (predicted} value). The up / down call evaluation value is obtained for each up / down call registration. As shown in the evaluation equation E ₂ of the second evaluation values of the upper and lower call is a non-response time T _3. The evaluation value for a certain unit is the sum of the evaluation value for the destination call and the evaluation value for the upper and lower calls. The assigned machine is selected so that the total value is minimized. In the calculation of the evaluation value, the lower the value, the higher the evaluation.

  Here, since the assignment evaluation target is different between the destination call and the up / down call, an unfair feeling may occur in the waiting time. In the group management control device 30 of this system, as a function for eliminating such unfairness, a waiting time result totaling unit 37, a non-response time result totaling unit 38, a weighting adjustment unit 39, and a congestion status determination unit 40 are provided. Is provided.

Latency record aggregation unit 37 stores aggregates the waiting time T ₁ of the when the allocation No. machine responds to the registration floor of the call the by destination call. Missed time record aggregation unit 38 is assigned No. machine by the upper and lower call is stored by aggregating the non-response time T ₃ when the response to the registration floor of the call the.

Weight adjustment section 39, the first or on the basis of the average value of the non-response time aggregated by the mean value and the non-response time record aggregation section 38 of the wait time T ₁ aggregated by waiting time record aggregation section 37 T ₃ The weighting of the allocation evaluation in the second evaluation means is adjusted. Specifically, the weighting adjustment unit 39, the weighting factor for the mean value and the waiting time T ₁ of the above first evaluation formula E ₁ so that the difference becomes smaller and the average value of the non-response time T ₃ latency T ₁ p Adjust.

The congestion status determination unit 40 determines the congestion status of each floor. A specific determination method will be described later. When the first evaluation unit 34 determines that the first floor 23 is not congested by the congestion state determination unit 40, the first evaluation unit 34 uses the weighting coefficient p adjusted by the weighting adjustment unit 39 as the first evaluation formula. to apply to the E _1. When it is determined that the first floor 23 is congested, the first evaluation unit 34 uses a preset fixed value (for example, p = 0.6) of the weighting factor p as the first evaluation. to apply to the formula _{E 1.}

  FIG. 2 is a diagram for explaining destination calls and up / down calls of the elevator group management system according to the embodiment.

  The first call registration device 21 is installed on a first floor 23 (for example, a reference floor) with many users. When the user operates the input unit 21a of the first call registration device 21 to input a destination floor, a destination call including information on the input destination floor and registered floor is created. This destination call information is sent to the group management control device 30 and stored in the destination call assignment storage unit 31. In the example of FIG. 2, the destination floor is 10F and the registration floor is 1F.

  The second call registration device 22 is installed on the second floor 24 with few users. When the user operates the up button 22a or down button 22b of the second call registration device 22 and inputs the destination direction, an up / down call including the input destination direction and registration floor information is created. . The information on the up / down call is sent to the group management control device 30 and stored in the up / down call assignment storage unit 32. In the example of FIG. 2, the destination direction is upward, and the registered floor is 2F.

  Here, the group management control device 30 is provided with an operation prediction unit 33 that predicts the future operation of each unit in accordance with the assigned call (allocated call) and the newly registered call. The newly registered call is a call to be assigned from now on, and is called “call for assignment request”.

The operation prediction unit 33 performs prediction for each unit that is currently in operation as a target when a call to be assigned is assigned to that unit and for prediction when it is not assigned to that unit. The operation prediction unit 33 is called a pre-allocation of call allocation request to the target in each of the prediction, the predicted value of the wait time T ₁ and ride time T ₂ of the call destination, the upper and lower call unanswered time T ₃ Find the predicted value of.

  When deciding on an assigned machine, it is necessary to obtain evaluation values for all calls that have already been assigned and calls for assignment requests, and to evaluate the total of these.

  For example, in a system composed of Units A, B, and C, the following three types of operations are predicted, and the evaluation value obtained by each prediction is evaluated for each unit.

・ Operation prediction when a call is assigned to Unit A Total of evaluation values of all units when a call for allocation request is assigned to Unit A and not assigned to Units B and C ・ Operation when a call is assigned to Unit B Prediction Allocation request call assigned to Unit B and total evaluation values for all Units when not assigned to Units A and C ・ Operation prediction when call is assigned to Unit C Total of evaluation values of all units when not assigned to Units A and B Among the above three operation predictions, the unit with the smallest evaluation value is determined as the assigned unit.

Here, with respect to the destination call, the evaluation value is calculated by using the first evaluation formula E ₁ was evaluated in waiting time T ₁ and ride time T _2. Upper and lower nominal terms, the evaluation value by using the second evaluation formula E ₂ in which the non-response time T ₃ evaluated is obtained.

As described above, since the assignment evaluation target is different between the destination call and the up / down call, the waiting time of the destination call tends to be longer than that of the up / down call. This is because assignment evaluation of the destination call, and taking into account the traveling time T _2, because not decided allocation No. machine only rated for waiting time T _1. The object of adding the traveling time T ₂ the allocation evaluation transport capacity by destination floor is by riding the same user to the same Unit, hasten and to be able to arrive early destination floor, wraparound Unit ( It is to increase the limit of the number of people that can be used.

  In the following, a method for eliminating such an unfair feeling of waiting time for destination calls and up / down calls will be described.

  FIG. 3 is a flowchart showing the processing operation of the group management control device 30 in the same embodiment. Note that the processing shown in this flowchart is executed by the group management control device 30 that is a computer reading a predetermined program.

  First, the congestion status determination unit 40 provided in the group management control device 30 determines the congestion status of the landing on each floor (step S101). One of the following three methods is used as a method for determining the congestion situation. It should be noted that the “congested situation” refers to a situation where there are a predetermined number of users (for example, more than twice the rated number of passenger cars) waiting for an elevator (car).

(1) Time zone For example, in an office building, the flow of people who use the elevator is determined by the time zone. That is, in the working hours, there are many users heading from the reference floor where the entrance of the building is located to each floor, and the reference floor is most congested. In addition, during the work hours, there are many users heading from each floor other than the standard floor to the standard floor.

  Therefore, a time period for congestion is learned in advance for each floor, and the result is stored in a congestion management table 41 as shown in FIG. This congestion management table 41 is provided in the group management control device 30. The congestion status determination unit 40 refers to the congestion management table 41 to determine the floors that are congested according to time zones.

(2) Load Load Load detectors 14a to 14c for detecting the load load are installed in the cars 12a to 12c of each car. The congestion state determination unit 40 estimates the number of users who get on and off at each floor from the change of the load signals output from the load detectors 14a to 14c when each unit reaches the floor, and the estimation result To determine whether the floor is congested.

(3) Destination Call The destination call registered by the first call registration device 21 includes information on the destination floor of the user and the registration floor where the call is registered. Therefore, if the destination call information is monitored, the congestion status of each floor can be determined. The destination call information is stored in the destination call assignment storage unit 31 for each user.

  FIG. 5 is a diagram illustrating an example of destination call information stored in the destination call assignment storage unit 31. The congestion state determination unit 40 refers to the destination call assignment storage unit 31 to determine the congestion state of each floor. Although omitted in FIG. 5, in fact, information on the car to which the destination call is assigned is also stored in the destination call assignment storage unit 31 in addition to the information on the destination call.

Here, when it is determined that the first floor 23 where the first call registration device 21 (destination call registration device) is installed is congested (Yes in step S102), the first allocation control is performed fixed mode in the evaluation equation E ₁ is applied (step S103). That is, when the destination call is registered, the first evaluation unit 34 evaluates each car with the weighting factor p for the waiting time T ₁ of the above-described first evaluation formula E ₁ as p = 0.6.

The reason why the fixed mode is applied when the first floor 23 is congested is that, in the fixed mode, the weighting coefficient p giving priority to the transportation force is determined. Vertical call for, regardless of the congestion in the second evaluation unit 35 evaluates each Unit by using the second evaluation formula E ₂ described above.

  When it is determined that the first floor 23 is not congested (No in step S102), the weighting coefficient p is adjusted as follows.

That is, when assignment No. machine against destination call responds to the registration floor of the call the In latency record aggregation unit 37, counts the waiting time T ₁ as a service record of that time (step S104). Similarly, when the assigned No. machine responds to the registration floor of the call the relative destination call, the non-response time record aggregation unit 38, counts the unanswered time T ₃ as operation record of that time (step S105).

  The group management control device 30 is provided with an operation state monitoring unit (not shown) that monitors the operation state of each unit. The waiting time result totaling unit 37 and the non-response time result totaling unit 38 determine the response state of the assigned number machine through this operation state monitoring unit. The operating state monitoring unit deletes the call information from the destination call assignment storage unit 31 when the destination call assigned machine arrives at the destination floor, and the upper and lower call assigned machines respond to the registered floor of the call. A function of deleting the information of the call from the up / down call assignment storage unit 32 when the call is made.

Counting processing latency T ₁ and unacknowledged time T ₃ is continuously performed during normal operation, respectively. These aggregation results are given to the weight adjustment unit 39.

Weight adjustment unit 39 compares the average value of the non-response time aggregated T ₃ by the average value and the non-response time record aggregation section 38 of the wait time T ₁ aggregated by waiting time record aggregation unit 37 (step S106 ). Result of the comparison, if the average value of the waiting time _{T 1} is greater than the average value of the non-response time _{T 3} (Yes in step S106), weight adjustment section 39, the first evaluation of the formula _{E 1} latency increase than in the fixed mode the weight factor p for T ₁ (step S107).

For example, when p = 0.6 in the fixed mode, p = 0.7. Raising the weighting coefficient p latency T ₁ is to perform a priority to the assignment control latency T ₁ than in the fixed mode.

On the other hand, when the average value of the waiting time _{T 1} is less than the average value of the non-response time _{T 3} (No in step S106), weight adjustment unit 39, the waiting time _{T 1} of the above first evaluation formula _{E 1} The weighting factor p for is lower than in the fixed mode (step S108).

For example, when p = 0.6 in the fixed mode, p = 0.5 is set. Decreasing the weighting factor p of the waiting time T ₁ means that the allocation control is performed with priority given to the non-response time T ₃ over the fixed mode.

Specifically, since “the priority for the boarding time T _{2 is} increased with respect to the waiting time T ₁ ”, the allocation is performed so that the waiting time T ₁ is long and the boarding time T ₂ is short. As a result, priority unacknowledged time T ₃ than the waiting time T _1, so that the balance of the waiting time T ₁ and unacknowledged time T ₃ is modified.

In the above embodiment, when the weighting factor p is adjusted, it is increased or decreased by 0.1 from the fixed mode. However, the adjustment amount of the weighting factor p is not limited to 0.1, and other values may be used. good. Further, according to the difference between the average value of the average value and the non-response times of waiting time T ₁ T _3, it may be changed adjustment value of the weighting factor p stepwise.

In this way, by adjusting the weighting factor p for the waiting time T ₁ of the _first evaluation formula E ₁ based on the total result of the waiting time T ₁ and the unanswered time T ₃ , the destination call and the upper and lower calls are waited for. Can reduce injustice in time.

  In particular, when the first floor 23 on which the first call registration device 21 is installed is not crowded, the advantage of the destination call cannot be exhibited, and the waiting time of the destination call is longer than that of the upper and lower calls. Tend to be. In such a case, by adjusting the weighting factor p, driving service can be performed without the unfair feeling of waiting time.

(Second Embodiment)
Next, a second embodiment will be described.

In the first embodiment, when the first floor 23 the first call registration device 21 is installed is not congested, the average value of the waiting time T ₁ is than the average value of the non-response time T ₃ The weighting factor p is adjusted depending on whether it is large or small. However, the average value of the average value and the non-response times of waiting time T ₁ T ₃ is in almost the same situation, it is not always necessary to adjust the weighting factor p. Therefore, in the second embodiment, the difference between the average value and the average value of the non-response time T ₃ latency T ₁ is to adjust the weighting factor p only if there is at least a predetermined value.

  Since the basic apparatus configuration is the same as that in FIG. 1, only the processing operation of the group management control apparatus 30 will be described here with reference to FIG.

  FIG. 6 is a flowchart showing the processing operation of the group management control device 30 in the second embodiment. Note that the processing shown in this flowchart is executed by the group management control device 30 that is a computer reading a predetermined program.

In the flowchart of FIG. 6, steps S201 to S206 are the same as steps S101 to S106 of the flowchart of FIG. That is, first, the congestion status of each floor is determined (step S201). Then, when the first floor 23 the first call registration device 21 is installed is heavy, assignment control is performed fixed mode is applied to the first evaluation formula E ₁ (step S202 To S203).

First when floor 23 is not congested, in order to adjust the weighting factor p for a first evaluation formula waiting time T ₁ of the E _1, the average value and the non-response times of waiting time T ₁ T ₃ Are compared with the average value (steps S204 to S206).

In the second embodiment, (Yes in step S206) when the average value of the waiting time T ₁ is greater than the average value of the non-response time T _3, the weighting adjustment unit 39, the difference therebetween is a predetermined value It is determined whether or not the above is true (step S207).

Specifically, in obtaining a difference between the average value of the average value and the non-response times of waiting time T ₁ T _3, the percentage of time obtained by dividing the difference by waiting T ₁ is greater than a predetermined value (e.g., 0.5 or higher) Judge whether there is.

- the average value of the waiting time _{T 1>} In the case of the average value of the non-response time _{T 3 r 1 = | T 1} -T 3 | / T 1 ... (1)
r ₁ is a ratio, T ₁ is an average value of the waiting time T ₁ , and T ₃ is an average value of the non-response time T ₃ . If the result of the above equation (1) is 0.5 or more, the weighting adjustment unit 39 determines that the weighting coefficient p needs to be adjusted.

For example, if T ₁ = 60 seconds and T ₃ = 30 seconds, r ₁ = 0.5, and it is determined that adjustment of the weight coefficient p is necessary. If T ₁ = 60 seconds and T ₃ = 40 seconds, r ₁ = 0.33, and it is determined that adjustment of the weighting coefficient p is unnecessary.

There is a difference of more than the predetermined value, when it is determined that it is necessary to adjust the weighting factor p (Yes in step S207), weight adjustment section 39, the weight for the first evaluation formula waiting time T ₁ of the E ₁ The coefficient p is increased from that in the fixed mode (step S208). For example, when p = 0.6 in the fixed mode, p = 0.7. In the 1st evaluation part 34, each unit is evaluated using the _1st evaluation formula E1 in which the weighting coefficient p was adjusted.

  If it is determined that there is no difference equal to or greater than the predetermined value and the adjustment of the weighting factor p is unnecessary (No in step S207), the weighting factor p is not adjusted by the weighting adjustment unit 39 and is currently set. The value of the weighting factor p is retained as it is.

If the average value of the waiting time T ₁ is less than the average value of the non-response time T ₃ The same applies (No in step S206), weight adjustment unit 39, difference therebetween to or greater than a predetermined value Judgment is made (step S209).

For more information, obtains a difference between the average value of the average value and the non-response times of waiting time T ₁ T _3, the percentage of time obtained by dividing the difference by unacknowledged time T ₃ is greater than a predetermined value (e.g., 0.5 or higher) It is determined whether or not.

- the average value of the waiting time _{T 1} <average value of non-response time _{T 3 r 2 = | T 1} -T 3 | / T 3 ... (2)
r ₂ is a ratio, T ₁ is an average value of the waiting time T ₁ , and T ₃ is an average value of the non-response time T ₃ . If the result of the above equation (2) is 0.5 or more, the weight adjustment unit 39 determines that the adjustment of the weight coefficient p is necessary.

For example, if T ₁ = 30 seconds and T ₃ = 60 seconds, it is determined that r ₂ = 0.5, and adjustment of the weight coefficient p is necessary. If T ₁ = 40 seconds and T ₃ = 60 seconds, r ₂ = 0.33, and it is determined that adjustment of the weighting coefficient p is unnecessary.

There is a difference of more than the predetermined value, when it is determined that it is necessary to adjust the weighting factor p (Yes in step S209), weight adjustment section 39, the weight for the first evaluation formula waiting time T ₁ of the E ₁ The coefficient p is lowered than in the fixed mode (step S210). For example, when p = 0.6 in the fixed mode, p = 0.5 is set. In the 1st evaluation part 34, each unit is evaluated using the _1st evaluation formula E1 in which the weighting coefficient p was adjusted.

  If it is determined that there is no difference equal to or greater than the predetermined value and the adjustment of the weighting factor p is unnecessary (No in step S209), the weighting factor p is not adjusted by the weighting adjustment unit 39 and is currently set. The value of the weighting factor p is retained as it is.

Note that the adjustment amount of the weighting factor p is not limited to 0.1, and may be other values. Further, according to the difference between the average value of the average value and the non-response times of waiting time T ₁ T _3, it may be changed adjustment value of the weighting factor p stepwise.

In this way, by difference between the average value of the average value and the non-response times of waiting time T ₁ T ₃ adjusts the weighting coefficient p in the case where more than the predetermined value, inadvertently weight when the difference between them is small It is possible to prevent the allocation evaluation from being disturbed by adjusting the coefficient p.

(Third embodiment)
Next, a third embodiment will be described.

  A destination call is registered by all users, so one call corresponds to one user. On the other hand, if the user with the same (registration floor, direction of use) is the upper and lower calls, only the first one is registered, so the number of users per call is not always one.

Here, the waiting time is the time from when the user registers a call at the landing until the assigned machine responds. Since the destination call waiting time (T ₁ ) is defined for each user, it can be easily obtained.

  However, the waiting time for up and down calls is not one user at a time, so when multiple users get on with one call, consider the number of users after the second and the time of occurrence of each user. Must. For example, if the second user comes to the landing after the first user registers the up / down call first, the expected waiting time of the second user is half the waiting time of the first user. It will be about.

As described above, since the number of users per call is different between up and down calls, it is preferable to perform an evaluation in consideration of the number of users in order to maintain fairness with the destination call. Therefore, in the third embodiment, by correcting considering the latency of the user number of people unanswered time T ₃ in the up and down call evaluated, unfairness of the destination call and the upper and lower nominal latency Is to eliminate.

  FIG. 7 is a block diagram showing a configuration of an elevator group management system according to the third embodiment. In FIG. 7, the same parts as those in FIG. 1 in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  In the third embodiment, the group management control device 30 is provided with a user number counting unit 42. In addition, a congestion status determination unit 40 and a user count totaling unit 42 are connected to the second evaluation unit 35.

  The number-of-users counting unit 42 totals the number of users w per call for each floor. The “number of users per up / down call” is the number of users who get on the unit responding to the up / down call when the up / down call is registered. The number of users at this time can be estimated from the change in the load of the unit. It should be noted that the number of users is totaled separately for upward and downward calls.

Second evaluation unit 35, the user number counting unit 42 of the non-response time T ₃ of each unit is corrected based on the aggregated user number w by, the non-response time T ₃ after the corrected second the application of the evaluation equation _{E 2.} Further, only when the second floor 24 by congestion determination unit 40 is determined to be congested, the second evaluation portion 35, a non-response time T ₃ of the corrected second evaluation formula to apply to E _2.

  FIG. 8 is a flowchart showing the processing operation of the group management control device 30 in the third embodiment. Note that the processing shown in this flowchart is executed by the group management control device 30 that is a computer reading a predetermined program.

  First, the congestion status of each floor is determined by the congestion status determination unit 40 provided in the group management control device 30 (step S301). As described in the first embodiment, the method for determining the congestion status includes (1) a method for determining from a time zone, (2) a method for determining from a load change, and (3) a determination from information on a destination call. There is a way to do it. Further, the “congested situation” refers to a situation in which there are more than a predetermined number of users (for example, more than twice the rated number of passenger cars) waiting for an elevator (car).

Here, when the second floor 24 where the second call registration device 22 (upper and lower call registration devices) is installed is not crowded (No in step S302), the second evaluation formula E _{1 is used.} The fixed mode is applied to and allocation control is performed (step S303).

That is, when the upper and lower call is registered, the second evaluation unit 35 evaluates each Unit by using the second evaluation formula E ₂ described above. In this case, the no-answer time T ₃ which is the evaluation target, Unit from above call is registered to predict the time to respond. As for the destination call, as described in the first embodiment, the first evaluation unit 34 adjusts the weighting factor p according to the congestion situation and evaluates each unit.

  When it is determined that the second floor 24 is congested (Yes in step S302), the following processing is performed. Note that the second floor 24 is congested when, for example, there are many elevator users on floors other than the reference floor, such as during work hours.

  That is, when the upper and lower calls are registered by the second call registration device 22, the user number totaling unit 42 totals the number of users w per upper and lower call (step S304). Specifically, when the up / down call is registered, the number of users who get on the unit responding to the up / down call is estimated from the change in the load of the unit, and the number of passengers per up / down call is calculated. As

  In this case, it is assumed that each floor is tabulated separately into upward and downward calls. The counting process of the number of users w is continuously performed during normal driving. When the second floor 24 is congested, the total result is given to the second evaluation unit 35.

The second evaluation unit 35, a non-response time _{T 3} is corrected based on the user number w (step S305). Specifically, according to an expression such as the following, it is corrected by replacing the non-response time T ₃ to the user's waiting time.

T ₄ = w × T ₃ '(3)
w is the number of users (estimated value) per call. T ₃ ′ is a value obtained by replacing the non-response time T ₃ with the waiting time of the user. T ₄ is the equivalent sum of the user number of persons waiting time (unacknowledged time after correction).

When w = 1, T ₃ ′ = T ₃ . When w ≠ 1 (excluding w = 0), T ₃ ′ is obtained by the following equation.

T ₃ ′ = {T ₃ + T ₃ × (w−1) / 2} / w (4)
In other words, if the user was one person, non-response time T ₃ is directly used as the user's waiting time. On the other hand, if the user is two or more, the non-response time T ₃ is changed to the waiting time in accordance with the user number w at that time.

For example, if T ₃ = 30 seconds, T ₄ has the following value according to the number of users w.

One user: T ₄ = 30 seconds
2 users: T ₄ = 45 seconds
3 users: T ₄ = 60 seconds
4 users: T ₄ = 75 seconds.

Second evaluation unit 35, the T using the values of ₄ as a non-response time T ₃ after correction, to evaluate each car is applied to the second evaluation formula E ₂ (step S306).

In this way, and corrected in accordance with the non-response time T ₃ of the upper and lower call to a user number, to evaluate as the waiting time of the user, it is possible to reduce the unfairness of waiting time at the call destination call and up and down it can. In particular, in a situation where the second floor 24 where the second call registration device 22 is installed is congested, changing to such an evaluation method can reduce unfairness more effectively and provide driving services. You can do it.

  According to at least one embodiment described above, it is possible to provide an elevator group management system that can provide driving services while reducing unfairness in waiting time by destination calls and up and down calls.

  In each of the above embodiments, the weight for the destination call allocation evaluation is adjusted in order to balance the waiting time for the destination call and the upper and lower calls. However, the weight for the upper and lower call allocation evaluation is adjusted. Also good.

  In short, several embodiments of the present invention have been described, but these embodiments are presented as examples and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

  11a to 11c ... No. machine control device, 12a to 12c ... Car, 13a to 13c ... Control panel, 14a to 14c ... Load detector, 21 ... First call registration device, 21a ... Input part, 21b ... Display part, 22 2nd call registration device, 22a ... Up button, 22b ... Down button, 23 ... 1st floor, 24 ... 2nd floor, 30 ... Group management control device, 31 ... Destination call assignment storage unit 32 ... Up and down call allocation storage unit, 33 ... Operation prediction unit, 34 ... First evaluation unit, 35 ... Second evaluation unit, 36 ... Allocation machine determination unit, 37 ... Waiting time result totaling unit, 38 ... Unanswered Time record totaling unit, 39 ... weighting adjustment unit, 40 ... congestion status determination unit, 41 ... congestion management table, 42 ... number of users counting unit.

Claims (9)

A first call registration device for registering a destination call of a user on the first floor, and a second call for registering a user's vertical call on a second floor different from the first floor. In an elevator group management system equipped with a registration device,
When a call is registered by the first or second call registration device, operation prediction means for predicting future operation of each unit including the assigned call,
For the destination call, the first evaluation value when operating each unit according to the prediction result of the operation prediction means using the first evaluation formula with the waiting time and the boarding time as the targets of the allocation evaluation is A first evaluation means to be obtained;
A second evaluation value obtained when the above-mentioned units are operated according to the prediction result of the operation predicting means using the second evaluation formula with the non-response time as the target of the allocation evaluation for the up and down calls. Two evaluation means;
Allocation for selecting and responding to an assigned unit from among the units based on the first evaluation value obtained by the first evaluation unit and the second evaluation value obtained by the second evaluation unit Unit decision means,
A first counting means for counting the waiting time when the assigned machine responds to the registration floor of the call by the destination call;
A second counting means for counting the unanswered time when the assigned machine responds to the registration floor of the call by the up and down calls;
The weighting of the allocation evaluation in the first or second evaluation means based on the average value of the waiting time counted by the first counting means and the average value of the non-response time counted by the second counting means An elevator group management system comprising: weight adjustment means for adjusting the weight. The weight adjustment means is
When the average value of the waiting time counted by the first counting means is longer than the average value of the non-response times counted by the second counting means, the weighting for the waiting time of the first evaluation formula is used as a reference The elevator group management system according to claim 1, wherein the value is higher than the value. The weight adjustment means is
When the average value of the waiting time counted by the first counting means is longer than the average value of the non-response times counted by the second counting means, and the difference between the two is greater than or equal to a predetermined time, 2. The elevator group management system according to claim 1, wherein the weighting for the waiting time of one evaluation formula is higher than a reference value. Congestion status judging means to judge the congestion status of each floor,
The first evaluation means includes
The weighting adjusted by the weighting adjusting unit is applied to the first evaluation formula when the congestion status determining unit determines that the first floor is not congested. The elevator group management system according to claim 1. Comprising a third counting means for counting the number of users per up / down call registered by the second call registration device;
The second evaluation means is:
Correcting the non-response time of each unit based on the number of users counted by the third counting means, and applying the corrected non-response time to the second evaluation formula to perform allocation evaluation The elevator group management system according to claim 1. Congestion status judging means to judge the congestion status of each floor,
The second evaluation means is:
When the congestion status determining means determines that the second floor is congested, the non-response time of each unit is corrected based on the number of users counted by the third counting means. 6. The elevator group management system according to claim 5, wherein the allocation evaluation is performed by applying the corrected non-response time to the second evaluation formula. The congestion status judging means is:
The elevator group management system according to claim 4 or 6, wherein a congestion situation of each floor is determined based on a time zone. The congestion status judging means is:
7. The elevator group management system according to claim 4 or 6, wherein the congestion status of each floor is determined based on a change in the load when each of the units responds to each floor. The congestion status judging means is:
The group of elevators according to claim 4 or 6, wherein a congestion situation of each floor is determined based on information on a destination floor of a user included in a destination call registered by the first call registration device. Management system.

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