JP5868627B2 - Elevator control device - Google Patents

Description

  Embodiments described herein relate generally to an elevator control device that integrally controls operations of a plurality of elevators.

  Conventionally, for example, as an elevator system introduced in a large-scale building, a call registration device installed at a position different from the elevator hall accepts registration of a hall call specifying a destination floor, and an elevator is assigned to this hall call. Elevator systems that respond are known. In this elevator system, since a hall call can be registered before a passenger arrives at the elevator hall, the waiting time at the hall can be reduced. In addition, passengers can be efficiently transported, for example, by assigning the same elevator to a hall call having a destination floor close to a plurality of hall calls, thereby improving service.

  In addition, an elevator control device that controls the operation of a plurality of elevators in an integrated manner usually has the elevator call registration floor when each hall call is registered while sequentially grasping the operation status of the plurality of elevators. In consideration of the time required to reach the floor and the influence on the already assigned calls, an elevator responding to the hall call is selected and assigned from a plurality of elevators. For this reason, the time for the elevator to arrive at the floor where the hall call is registered is relatively short, and the waiting time for passengers at the hall is reduced.

  However, in the elevator system described above, since the call registration device is installed at a position different from the landing, a predetermined time elapses from when the landing call is registered until the passenger arrives at the landing. For this reason, when the elevator has arrived at the landing earlier than the passenger, there is a concern that the passenger may be delayed, and it is required to construct a mechanism that can suppress the passenger's delayed delay.

JP-A-4-217582

  The problem to be solved by the present invention is to provide an elevator control apparatus capable of suppressing passenger delays.

The elevator control device according to the embodiment is an elevator control device that integrally controls the operations of a plurality of elevators. The elevator control device includes a landing call position determination unit, an allocation control unit, a walking time calculation unit, a predicted arrival time calculation unit, and a door opening time control unit. When the call registration device installed at a location different from the elevator landing accepts registration of a hall call specifying the destination floor, the landing call location determination unit installs the call registration device that accepted the registration of the landing call Is determined. The allocation control unit selects and allocates an elevator that responds to the hall call among the plurality of elevators. The walking time calculation unit is a walking time which is a time required for passengers to move from the installation position of the call registration device that has received registration of the hall call to the elevator entrance of the hall where the elevator responding to the hall call arrives Is calculated. The predicted arrival time calculation unit calculates a predicted arrival time, which is a time required for an elevator responding to the hall call to arrive at a landing on the floor where the hall call is registered. The door opening time control unit is a door opening time when an elevator responding to the hall call opens the door at the landing of the floor where the hall call is registered when the walking time is longer than the predicted arrival time. The time is extended from a predetermined first time to a second time longer than the first time. When an elevator responding to the hall call responds to a hall call on another floor after responding to the hall call, the door opening time control unit changes the door opening time from the first time to the first time. When the cumulative value of the delay time of the response to the hall call of the other floors is calculated by extending to the time of 2, and the cumulative value of the delay time is less than or equal to a predetermined reference value, the door opening time is calculated. The first time is extended to the second time.

The schematic block diagram of an elevator system. The functional block diagram which shows the functional structure of a group management control part. The flowchart which shows the flow of control of the group management control part in 1st Embodiment. The flowchart which shows the flow of control of the group management control part in 2nd Embodiment. The flowchart which shows the flow of control of the group management control part in 3rd Embodiment. The functional block diagram which shows the functional structure of the operation control part in 4th Embodiment. The flowchart which shows the flow of control of the operation control part in 4th Embodiment.

  Hereinafter, an elevator control device according to an embodiment will be described with reference to the drawings. In the embodiment described below, an elevator system that targets the first to eighth floors of a building and transports passengers between these service target floors by three elevators (a-unit, b-unit, and c-unit). This is an application example. The applicable elevator system is not limited to this, and the number of floors to be serviced and the number of elevators to be used are arbitrary.

[First Embodiment]
FIG. 1 is a schematic configuration diagram of an elevator system in which the elevator control device of the first embodiment is incorporated. The elevator control apparatus according to the first embodiment includes operation control units 3a to 3c that individually control the operations of the elevators 5a to 5c of No. a to No. c, and the entire elevator system in cooperation with these operation control units 3a to 3c. And a group management control unit 4 for controlling.

  On the first to eighth floors of the building to be serviced, there are call registration devices (hereinafter referred to as landing destination floor call registration devices) 1-11 to 1-81 that accept registration of hall calls specifying destination floors. is set up. Here, it is assumed that the entrance of the building is on the first floor, and n landing destination floor call registration devices 1-11 to 1-1n are provided on the first floor. Among the n landing destination floor call registration devices 1-11 to 1-1n installed on the first floor, the landing destination floor call registration device 1-11 is installed on the first floor landing and is called another landing destination floor calling. The registration device is installed at a position away from the landing, such as an entrance hall or a security gate on the first floor.

  For example, each of the floor destination floor call registration devices 1-11 to 1-81 includes a push button switch or a touch switch for each floor, and when a passenger registers a hall call specifying a destination floor by operating these switches, Registration of this hall call is accepted. The landing destination floor call registration devices 1-11 to 1-81 are not limited to accepting such a switch operation as registration of the landing call. For example, short-distance wireless communication from an IC card that stores the passenger's destination floor The information may be read to identify the destination floor of the passenger, and this may be accepted as registration of the hall call.

  The landing destination call registration devices 1-11 to 1-81 on each floor are connected to the group management control unit 4 via the low-speed transmission path 2, respectively. The group management control unit 4 is connected to the operation control units 3a to 3c via the low-speed transmission path 2 and the high-speed transmission path 6, respectively.

  Car elevator registration devices 7a to 7c for receiving registration of car calls by passengers who have entered the car are installed in the elevators 5a to 5c of the No. a to No. c machines, respectively. These car call registration devices 7a to 7c are connected to the corresponding operation control units 3a to 3c via the number machine transmission paths 8a to 8c, respectively.

  FIG. 2 is a functional block diagram showing a functional configuration of the group management control unit 4. The group management control unit 4 has a hardware configuration as a general computer including, for example, a CPU, a ROM, a RAM, an input / output interface circuit, and the CPU executes a control program incorporated in the ROM or the like. Thus, as shown in FIG. 2, the functional configurations of the hall call position determination unit 41, the allocation control unit 42, the walking time calculation unit 43, the predicted arrival time calculation unit 44, and the door opening time control unit 45 are realized. Each of these functional configurations can be realized in part or in whole using hardware such as an application specific integrated circuit (ASIC) or a field-programmable gate array (FPGA).

  The landing call position discriminating unit 41 receives a low-speed transmission path from the landing destination floor call registration devices 1-11 to 1-81 each time the landing destination call registration devices 1-11 to 1-81 on each floor accept registration of the landing calls. 2 to obtain information on the hall call and send it to the allocation control unit 42. At this time, the hall call information acquired by the hall call position determination unit 41 includes, for example, a hall destination floor call registration apparatus (hereinafter referred to as a hall destination floor call registration apparatus 1-11 to 1 for each floor). -81, the hall destination floor call registration device that accepts the registration of the hall call is referred to as the hall destination floor call registration device 1 for convenience). The hall call position determination unit 41 determines the installation position of the hall destination floor call registration device 1 based on this identification information, and sends the position information together to the assignment control unit 42.

  When the hall call position discriminating section 41 acquires the hall call information from the hall destination floor call registration device 1, the allocation control section 42 is an elevator that responds to this hall call among the elevators 5a to 5c of the car No. c to the car c. Select and assign. Specifically, when the allocation control unit 42 receives the hall call information from the hall call position discriminating unit 41, the current driving situation (current position, driving direction, already existing) of the elevators 5a to 5c of the No. a machine to the No. c machine. Information on assigned hall calls and car calls, etc.), perform a predetermined evaluation on the current driving situation of each of the elevators 5a to 5c, and select an optimal elevator as an elevator responding to the hall call. Assign.

  Then, the assignment control unit 42, for convenience, refers to an elevator assigned as an elevator that responds to a hall call (hereinafter referred to as an elevator that responds to a hall call out of the elevators 5 a to 5 c). (Hereinafter, the operation control unit corresponding to the response elevator 5 among the operation control units 3a to 3c is referred to as the operation control unit 3 for convenience). An allocation command is sent via the high-speed transmission path 6. When the operation control unit 3 receives the allocation command from the allocation control unit 42, the operation control unit 3 controls the operation of the response elevator 5 in accordance with the allocation command, and the floor where the hall call is registered (hereinafter referred to as the hall call generation floor). An arrival prediction lantern (not shown) installed near the entrance of the response elevator 5 at the landing is turned on.

  The walking time calculation unit 43 acquires the location information of the landing destination floor call registration device 1 sent from the landing call position determination unit 41 to the allocation control unit 42 and the identification information of the response elevator 5 from the allocation control unit 42. Based on these pieces of information, the walking time, which is the time required for passengers to move, from the installation position of the landing destination floor call registration device 1 to the elevator entrance of the landing where the response elevator 5 arrives is calculated.

  Here, since the distance from the installation location of the landing destination floor call registration device 1 to the entrance of the landing is known, the landing destination floor call registration device is obtained by dividing this known distance by the average walking speed of the passengers. The time required for the passenger to move from the installation position of 1 to the entrance of the hall can be obtained in advance. Further, since the distances from the entrance of the landing to the entrances of the elevators 5a to 5c are known, by dividing these known distances by the average walking speed of the passengers, the distances of the elevators 5a to 5c from the entrance of the landing are obtained. The time required for the passenger to move to the entrance can be obtained in advance. The walking time calculation unit 43 stores the data for each time obtained in advance as a data table in the storage unit 47 including a nonvolatile memory. The walking time calculation unit 43 is a data table for the time required for passengers to move from the installation location of the landing destination floor call registration device 1 to the entrance of the landing based on the position information of the landing destination floor call registration device 1. From the data table, the time required for the passenger to move from the entrance of the hall to the entrance of the response elevator 5 is read from the data table based on the identification information of the response elevator 5, and the time read from these data tables is added. Thus, the walking time can be easily calculated.

  The predicted arrival time calculation unit 44 calculates a predicted arrival time which is a required time until the response elevator 5 arrives at the landing on the landing call generation floor. Specifically, the predicted arrival time calculation unit 44 detects the current position of the response elevator 5, and already assigns basic data such as a predetermined floor travel time and door opening time to the response elevator 5. Based on the information on the hall call and car call, the estimated arrival time, which is the time required for the response elevator 5 to arrive at the hall on the hall call generation floor from the current position, is calculated. When the assignment control unit 42 assigns the response elevators 5, when the time required for each of the elevators 5 a to 5 c to arrive at the landing on the landing call generation floor is calculated, among them, The required time calculated for the response elevator 5 may be used as the estimated arrival time as it is.

  The door opening time control unit 45 compares the walking time calculated by the walking time calculation unit 43 with the predicted arrival time calculated by the predicted arrival time calculation unit 44, and according to the result, the landing on the landing call generation floor The door opening time, which is the time for the response elevator 5 to open the door, is controlled. Specifically, when the walking time is longer than the predicted arrival time, the door opening time control unit 45 sets the door opening time on the landing call generation floor of the response elevator 5 as the door opening time (default value) at the normal time. The predetermined time is extended to a second time that is longer than the first time. Here, the second time may be a fixed time longer than the first time, but in order to increase the effect of suppressing the passenger delay, the larger the difference between the walking time and the predicted arrival time, the greater the difference. It is desirable to have a variable time with a large value. In this case, in order to prevent the door opening time from becoming extremely long, an upper limit of the door opening time is determined in advance. That is, the door opening time control unit 45 desirably sets the second time to a larger value as the difference between the walking time and the predicted arrival time is larger within a predetermined upper limit time range.

  When the door opening time control unit 45 extends the door opening time from the first time to the second time, the door opening time control unit 45 sends the door opening time via the high-speed transmission path 6 to the operation control unit 3. An extension command is sent. When the operation control unit 3 receives the door opening time extension command from the door opening time control unit 45, the operation control unit 3 switches the door opening time of the response elevator 5 from the first time which is the default value to the second time, and generates a landing call. Extend the door opening time of the response elevator 5 at the landing on the floor. When the second time is variable as described above, the length of the second time is designated in the door open time extension command sent from the door open time control unit 45 to the operation control unit 3 Information to be included may be included.

  FIG. 3 is a flowchart showing a flow of control executed by the group management control unit 4 each time the hall destination floor call registration device 1 accepts a hall call. Hereinafter, characteristic operations in the elevator control apparatus of the first embodiment will be described with reference to the flowchart of FIG. 3.

  When the landing destination floor call registration device 1 accepts the registration of the landing call, the landing call information received by the landing destination floor call registration device 1 together with the identification information of the landing destination floor call registration device 1 is transmitted via the low-speed transmission path 2. Are input to the group management control unit 4. When the group management control unit 4 acquires the hall call information and the identification information from the hall destination floor call registration device 1, the group management control unit 4 starts a series of controls shown in the flowchart of FIG.

  When the series of controls shown in the flowchart of FIG. 3 is started, first, in step S101, the landing call position determination unit 41 is based on the identification information of the landing destination floor call registration device 1, and the landing destination floor call registration device 1 is displayed. The position information is sent to the allocation control unit 42 together with the hall call information.

  Next, in step S102, the assignment control unit 42 assigns the response elevator 5 to be assigned to the hall call based on the hall call information received from the hall call position determination unit 41 and the current driving conditions of the elevators 5a to 5c. The identification information of the selected response elevator 5 and the position information of the landing destination floor call registration device 1 are sent to the walking time calculation unit 43.

  Next, in step S103, the walking time calculation unit 43, based on the location information of the landing destination floor call registration device 1 received from the allocation control unit 42, from the installation location of the landing destination floor call registration device 1 to the entrance of the landing. The time T0mn corresponding to the time t0 required for the passenger to move (m is an index representing the floor, n is an index representing the number of the landing destination call registration device installed on the same floor) is read from the data table, Set Tmn to t0. Further, the walking time calculation unit 43 is based on the identification information of the response elevator 5 received from the assignment control unit 42, and corresponds to the time t1 required for the passenger to move from the entrance of the landing to the entrance of the response elevator 5. T1p (p is an index indicating an elevator number) is read from the data table, and T1p is set to t1.

  Next, in step S104, the walking time calculation unit 43 adds t1 to t0, and the passenger moves from the installation position of the landing destination floor call registration device 1 to the elevator entrance of the landing where the response elevator 5 arrives. The walking time tw, which is the time required for, is calculated, and the calculated walking time tw is sent to the door opening time control unit 45 via the assignment control unit 42.

  Next, in step S105, the predicted arrival time calculation unit 44 is already assigned to the current position of the response elevator 5, basic data such as a predetermined floor travel time and door opening time, and the response elevator 5. The predicted arrival time ta, which is the time required for the response elevator 5 to arrive at the landing on the floor where the answering call is generated, is calculated based on the information on the existing hall call and car call, and the calculated predicted arrival time ta Is sent to the door opening time control unit 45 via the allocation control unit 42.

  Next, in step S106, the door opening time control unit 45 compares the walking time tw calculated in step S104 with the predicted arrival time ta calculated in step S105, and the walking time tw is greater than the predicted arrival time ta. It is determined whether or not is large. If the walking time tw is greater than the predicted arrival time ta (step S106: Yes), the door opening time control unit 45 responds to the operation control unit 3 corresponding to the response elevator 5 in step S107. The door opening time extension command for extending the door opening time at the hall call generation floor of the elevator 5 from the first time to the second time is output.

  On the other hand, if the walking time tw is less than or equal to the predicted arrival time ta (step S106: No), the door opening time control unit 45 does not output the door opening time extension command to the operation control unit 3, and the process is ended as it is. .

  As described above, according to the elevator control device of the first embodiment, the door opening time of the response elevator 5 is extended when there is a concern that the passenger will be delayed with respect to the response elevator 5 in consideration of the walking time of the passenger. As a result, it is possible to effectively suppress passenger delays and improve service for passengers.

[Second Embodiment]
Next, the elevator control apparatus of 2nd Embodiment is demonstrated. In the elevator control device according to the second embodiment, when the response elevator 5 responds to hall calls at a plurality of floors, it affects the other floors by extending the door opening time at the hall call generation floor that responds first. Whether or not to extend the door opening time at the hall call generation floor that responds first is determined in consideration of the size of the door. In addition, the structure of the elevator control apparatus of 2nd Embodiment is the same as that of 1st Embodiment. Hereinafter, description overlapping with the first embodiment will be omitted, and only differences will be described.

  In the elevator control device of the second embodiment, the door opening time control unit 45 of the group management control unit 4 has a function of calculating the cumulative value of the response delay time. Here, the cumulative value of the response delay time is the time when the response elevator 5 responds to a hall call at a plurality of floors by extending the door opening time at the hall call generation floor that responds first. It is the value which accumulated the delay time of the response to the hall call.

  For example, assume a scene in which the response elevator 5 landing on the first floor of a building sequentially responds to a hall call on the third floor, a hall call on the fifth floor, and a hall call on the sixth floor. In this case, if the response elevator 5 extends the door opening time on the third floor, the response to the fifth floor hall call and the response to the sixth floor hall call are delayed. Here, te is the extension time of the door opening time (that is, the difference between the second time and the first time), and tx5 is the response time for the 5th floor hall call when the door opening time is not extended. If the response time for the 6th floor hall call when the opening time is not extended is tx6, if the response elevator 5 extends the door opening time on the 3rd floor, the response time for the 5th floor hall call is delayed from tx5 to te minutes. Occurs and becomes tx5 + te, and the response time for the 6th floor hall call becomes tx6 + te with a delay of te from tx6. Therefore, the cumulative value of the response delay time when the response elevator 5 extends the door opening time on the third floor is 2 × te.

  The door opening time control unit 45 in the second embodiment first determines whether or not the walking time is larger than the predicted arrival time as in the first embodiment, and when the walking time is larger than the predicted arrival time, The cumulative response delay time is calculated as described above. If the accumulated value of the response delay time exceeds a predetermined reference value, the door opening time control unit 45 opens the door of the response elevator 5 on the floor (the third floor in the above example) to be determined. If the accumulated value of the response delay time is not more than a predetermined reference value without extending the opening time, the door opening time of the response elevator 5 on the floor (the third floor in the above example) that is the object of judgment is Extend from 1 time to 2nd time.

  In the above example, the cumulative value of the response delay time is obtained by simply adding the delay time of the response time at each landing call generation floor. For example, a weighting factor corresponding to the length of the response time is obtained. (For example, if the response time is less than 10 seconds, the weighting factor is 1. If the response time is 10 seconds or more and less than 20 seconds, the weighting factor is 2. If the response time is 20 seconds or more and less than 30 seconds, the weighting factor is 3. It is also possible to obtain a weighted average of the delay amounts weighted in step 4) as a cumulative value of the response delay time and compare it with a predetermined reference value. Further, whether or not to extend the door opening time may be determined based on whether or not a floor having a response time of, for example, 60 seconds or more is generated by extending the door opening time.

  FIG. 4 is a flowchart showing a flow of control executed by the group management control unit 4 in the second embodiment. Hereinafter, characteristic operations in the elevator control apparatus of the second embodiment will be described with reference to the flowchart of FIG. 4. Note that the processing in steps S201 to S206 in FIG. 4 is the same as that in the first embodiment (steps S101 to S106 in FIG. 3), and thus description thereof is omitted.

  In the second embodiment, when the result of determination in step S206 is that the walking time tw is greater than the predicted arrival time ta (step S206: Yes), the door opening time control unit 45 returns the response elevator 5 in step S207. The cumulative value tas of the response delay time for the hall call of other floors assigned to is calculated.

  Next, in step S208, the door opening time control unit 45 compares the response delay time cumulative value tas calculated in step S207 with a predetermined reference value T2, and the response delay time cumulative value tas is less than or equal to the reference value T2. It is determined whether or not there is. If the cumulative value tas of the response delay time is equal to or less than the reference value T2 (step S208: Yes), the door opening time control unit 45 performs the operation control unit 3 corresponding to the response elevator 5 in step S209. A door opening time extension command for extending the door opening time at the landing call generation floor of the response elevator 5 from the first time to the second time is output.

  On the other hand, if the cumulative value tas of the response delay time exceeds the reference value T2 (step S208: No), the door opening time extension command is not output from the door opening time control unit 45 to the operation control unit 3, and is left as it is. The process ends.

  As described above, according to the elevator control device of the second embodiment, the door opening of the response elevator 5 is considered while considering the magnitude of the influence on the hall call on the other floor by extending the door opening time of the response elevator 5. Since it is determined whether or not to extend the time, it is possible to effectively prevent the service for passengers waiting on other floors from being impaired, and it is possible to improve the efficiency of the entire elevator system.

[Third Embodiment]
Next, the elevator control apparatus of 3rd Embodiment is demonstrated. Similarly to the second embodiment, the elevator control device of the third embodiment calculates a cumulative value of the response delay time when the walking time is longer than the predicted arrival time, and the cumulative value of the response delay time is a predetermined reference. If the value is less than or equal to the value, the door opening time of the response elevator 5 is extended. However, if the cumulative value of the response delay time exceeds a predetermined reference value, another answer may be given to the floor landing call that is the object of judgment. An elevator is assigned. In addition, the structure of the elevator control apparatus of 3rd Embodiment is the same as that of 1st Embodiment and 2nd Embodiment. Hereinafter, the description which overlaps with 1st Embodiment and 2nd Embodiment is abbreviate | omitted, and only a different point is demonstrated.

  In the elevator control apparatus according to the third embodiment, when the door opening time control unit 45 of the group management control unit 4 determines that the accumulated value of the response delay time exceeds the reference value, the reallocation is performed to the allocation control unit 42. Send a command. When the allocation control unit 42 receives the reassignment command from the door opening time control unit 45, the allocation control unit 42 cancels the allocation of the response elevator 5 to the landing hall call to be determined, and other elevators other than the response elevator 5 A predetermined evaluation is performed on the current driving situation, and an optimum elevator is selected from among the other elevators as an elevator that responds to the landing call of the floor being judged, and assigned as a new response elevator 5 . When the allocation control unit 42 allocates a new response elevator 5 to the landing hall call to be determined, the allocation control unit 42 allocates a cancel command to the operation control unit 3 corresponding to the original response elevator 5. An allocation command is sent to the operation control unit 3 corresponding to the new response elevator 5.

  FIG. 5 is a flowchart showing the flow of control executed by the group management control unit 4 in the third embodiment. Note that the processing in steps S301 to S309 in FIG. 5 is the same as that in the second embodiment (step S201 to step S209 in FIG. 4), and only the point in which step S310 is added is different from the second embodiment.

  In the second embodiment, when the cumulative value tas of the response delay time exceeds the reference value T2 (step S208: No), the process is terminated without extending the door opening time of the response elevator 5. It was. On the other hand, in the third embodiment, when the cumulative value tas of response delay time exceeds the reference value T2 (step S208: No), the door opening time control unit 45 causes the allocation control unit 42 in step S310. The allocation control unit 42 selects and allocates a new response elevator 5 from other elevators excluding the original response elevator 5 in response to the reassignment command. And if the allocation control part 42 selects the new response elevator 5, it will return to step S303 and will repeat the subsequent process. That is, using the identification information of the new response elevator 5, the walking time calculation unit 43 calculates the walking time tw, and the predicted arrival time calculation unit 44 calculates the predicted arrival time ta. Then, the door opening time control unit 45 determines whether or not to extend the door opening time by the same method as in the second embodiment. When the door opening time is extended, the operation control corresponding to the new response elevator 5 is performed. A door open time extension command is output to part 3.

  As described above, according to the elevator control device of the third embodiment, the door opening of the response elevator 5 is considered while considering the magnitude of the influence on the hall call on the other floor by extending the door opening time of the response elevator 5. Decide whether or not to extend the time, and if the door opening time cannot be extended due to the large impact on hall calls on other floors, other elevators will be assigned, so service for passengers waiting on other floors Can be effectively suppressed, and the efficiency of the entire elevator system can be improved.

[Fourth Embodiment]
Next, the elevator control apparatus of 4th Embodiment is demonstrated. The elevator control apparatus according to the fourth embodiment counts the number of hall calls on the same floor to which the response elevator 5 responds and the number of passengers that actually enter the response elevator 5 on the floor, When the number of passengers boarding is smaller than the number of hall calls, it is estimated that passengers have delayed their arrival, and a function for correcting walking time is added. These functions added to the elevator control device of the fourth embodiment are mainly realized as functions of the operation control unit 3 corresponding to the response elevator 5. In addition, the function of the group management control part 4 is the same as that of 1st Embodiment, 2nd Embodiment, and 3rd Embodiment.

  FIG. 6 is a functional block diagram showing a functional configuration of the operation control unit 3 in the elevator control device of the fourth embodiment. The operation control unit 3 has a hardware configuration as a general computer including a CPU, a ROM, a RAM, an input / output interface circuit, and the like, and the CPU executes a control program incorporated in the ROM or the like. As shown in FIG. 6, the functional configurations of the hall call count unit 31, the passenger count unit 32, and the correction unit 33 are realized. Each of these functional configurations can be realized in part or in whole using hardware such as an application specific integrated circuit (ASIC) or a field-programmable gate array (FPGA).

  The hall call counting unit 31 counts the number of hall calls whose registration is accepted by the hall destination floor call registration device 1 in the same hall call generation floor to which the response elevator 5 responds. Specifically, when the hall call count unit 31 receives the assignment signal sent from the group management control unit 4 via the high-speed transmission path 6, the hall call counting unit 31 recognizes the hall call generation floor to which the response elevator 5 responds and Set the value of to 1. Then, the hall call count unit 31 receives the allocation signal from the group management control unit 4 and transmits the low-speed transmission path 2 from the hall destination floor call registration device 1 installed on the same hall call generation floor within a predetermined time. When the hall call information is sent via the counter, the counter value is added each time the hall call information is sent, and the number of hall calls to which the response elevator 5 responds is counted.

  The passenger count unit 32 counts the number of passengers who have entered the response elevator 5 from the landing on the landing call generation floor. Specifically, the passenger count unit 32 receives a load detector (not shown) installed in the response elevator 5 from the load detector 8 while the response elevator 5 arrives at the landing call generation floor and opens the door. The load detection signal is received via. And the passenger number counting part 32 converts the load change while the response elevator 5 stops on the landing call generation floor into the number of passengers, and calculates the number of passengers who have entered the response elevator 5 from the landing on the landing call generation floor. Count.

  The correction unit 33 sends a correction request to the group management control unit 4 when the number of passengers counted by the passenger number counting unit 32 is smaller than the number of hall calls counted by the hall call counting unit 31. Thus, the walking time is corrected by correcting the value of the data table stored in the storage unit 47 of the group management control unit 4 to a value larger than that before correction. In the storage unit 47 of the group management control unit 4, as described above, the time Tmn required for passengers to move from the installation location of the landing destination floor call registration devices 1-11 to 1-81 on each floor to the entrance of the landing, and The time T1p required for passengers to move from the entrance of the hall on each floor to the entrances of the elevators 5a to 5c is stored as a data table. When the count value of the number of passengers is smaller than the count value of the number of hall calls, the correction unit 33 estimates that passengers are delayed on the landing call generation floor, and the hall of the data table held by the storage unit 47 Tmn corresponding to the call generation floor is corrected to a value larger than the value before correction. Here, how much Tmn is increased by the correction may be determined in advance as a fixed value, or a variable value that increases as the difference between the count value of the number of hall calls and the count value of the number of passengers increases. It may be a value.

  FIG. 7 is a flowchart showing a flow of control executed by the operation control unit 3 in the fourth embodiment. A series of controls shown in the flowchart of FIG. 7 is started when, for example, the operation control unit 3 receives an allocation command from the group management control unit 4.

  When the series of controls shown in the flowchart of FIG. 7 is started, first, in step S401, the hall call count unit 31 of the operation control unit 3 is installed on the allocation signal from the group management control unit 4 and the hall call generation floor. From the hall call information from the hall destination floor call registration device 1, the number Ch of the hall calls to which the response elevator 5 responds at the hall call occurrence floor is counted.

  Thereafter, when the response elevator 5 arrives at the landing call generation floor and the door of the response elevator 5 is opened, the passenger count unit 32 detects the load from the load detector installed in the response elevator 5 in step S402. Based on the signal, the number of passengers Cm who entered the response elevator 5 from the landing on the landing call generation floor is counted.

  Thereafter, when the door of the response elevator 5 is closed, in step S403, the correction unit 33 compares the hall call number Ch counted in step S401 with the passenger number Cm counted in step S402, and the passenger number Cm is calculated. It is determined whether or not the number of hall calls is smaller than Ch. If the number of passengers Cm is smaller than the hall call number Ch (step S403: Yes), the correction unit 33 registers the floor number m for specifying the data to be corrected, the hall destination floor call registration in step S404. A correction request designating the device number n is sent to the group management control unit 4 via the high-speed transmission path 6. When the group management control unit 4 receives this correction request, the group management control unit 4 obtains data Tmn to be corrected based on the floor number m and the number n of the hall call registration device from the data table stored in the storage unit 47. The data Tmn is identified and corrected to be longer than before correction.

  On the other hand, when the number of passengers Cm is equal to or more than the hall call number Ch (step S403: No), the correction request is not output from the correction unit 33 to the group management control unit 4, and the process is terminated as it is.

  As described above, according to the elevator control device of the fourth embodiment, when it is estimated that the passenger has been delayed, the walking time stored in the storage unit 47 is corrected to a value larger than that before the correction. Therefore, it is possible to more effectively suppress passenger delays.

  According to the elevator control device according to at least one of the embodiments described above, it is possible to effectively suppress passenger delays and improve service for passengers.

  As mentioned above, although some embodiment of this invention was described, these embodiment is shown as an example and is not intending limiting the range of invention. These embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and their modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and the equivalents thereof.

1 (1-11-1-81) hall destination floor call registration device 3 (3a-3c) operation control unit 4 group management control unit 5 response elevator 5a-5c elevator 31 hall call count unit 32 passenger number count unit 33 correction unit 41 landing call position determination unit 42 allocation control unit 43 walking time calculation unit 44 predicted arrival time calculation unit 45 door opening time control unit 47 storage unit

Claims (4)

In an elevator control device that controls the operation of a plurality of elevators in an integrated manner,
When a call registration device installed at a different location from the elevator hall accepts registration of a hall call specifying a destination floor, a hall call position discrimination that identifies the installation location of the call registration device that accepted the registration of the hall call And
An allocation control unit that selects and assigns an elevator that responds to the hall call among the plurality of elevators; and
Walking time calculation for calculating the walking time, which is the time required for passengers to move from the installation position of the call registration device that accepts registration of the hall call to the elevator entrance of the hall where the elevator responding to the hall call arrives And
An estimated arrival time calculating unit for calculating an estimated arrival time which is a time required for an elevator responding to the hall call to arrive at the hall of the floor where the hall call is registered;
When the walking time is longer than the predicted arrival time, a door opening time, which is a time for an elevator responding to the hall call to open the door at the hall of the floor where the hall call is registered, is determined in advance. A door opening time control unit that extends from one time to a second time longer than the first time ,
The door opening time control unit may change the door opening time from the first time when the elevator responding to the hall call responds to a hall call on another floor after responding to the hall call. When the cumulative value of the delay time of the response to the hall call of the other floor by extending to the second time is calculated, and the cumulative value of the delay time is equal to or less than a predetermined reference value, the door opening time Is extended from the first time to the second time . Wherein when the cumulative value of the delay time exceeds the reference value, the allocation control unit, the elevator control apparatus according to claim 1, characterized in that assigning the other elevator relative call the hall. The door opening time control unit sets the second time to a larger value as the difference between the walking time and the predicted arrival time is larger within a predetermined upper limit time range. The elevator control device according to 1 or 2 . A storage unit for storing the walking time calculated in advance;
A hall call count unit that counts the number of hall calls on the same floor to which an elevator responding to the hall call responds;
A passenger number counting unit that counts the number of passengers who have entered the elevator responding to the hall call from the floor hall where the hall call is registered;
A correction unit that corrects the walking time stored in the storage unit to a value larger than a value before correction when the number of passengers is smaller than the number of hall calls. Item 4. The elevator control device according to any one of Items 1 to 3 .

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