CN101056812B - Elevator group management and control device - Google Patents

Abstract

An elevator management and control device for selecting an elevator car when a landing call registration device is away from a landing, where the selection is made by taking user's walk time and the number of floors the elevator serves into account. The elevator management and control device has a walk time estimation means (9) for estimating the time required for a passenger to reach a landing, a prediction and calculation means (10) for predicting and calculating a time in which each elevator car (2) can reach the landing, a waiting time conversion means (11) for converting the difference between the predicted time before arrival of the car (2) that is predicted and calculated by the prediction and calculation means (10) and the estimated walk time into real waiting time or loss time, an evaluation value calculation means (12) for calculating an evaluation value increasing with an increase in real waiting time or loss time, an allocation means (13) for determining a car, as an allocated car, whose evaluation value calculated by the evaluation value calculation means (12) is minimum, an operation control means (15) for instructing the allocated car to move to the floor for which the call is registered, and a door opening/closing means (14) not opening a door (2) of the allocated car until the estimated walk time has passed after the door is opened.

Description

Elevator group management control device

technical field

The present invention relates to an elevator group management control device that efficiently manages and controls the transportation of a plurality of elevators.

Background technique

In conventional elevator group supervisory control devices, there is call allocation control as one of group supervisory controls performed when a plurality of elevators are installed in parallel. In the call allocation control, when a landing call is registered, the car that should serve the landing call is selected and allocated immediately, thereby determining the allocated car that should respond. By appropriately performing such call allocation, the transportation efficiency of a plurality of elevators installed in a building or the like can be improved.

In addition, there is a system in which a device capable of registering a hall call is installed at a certain distance from a hall and registers a hall call, for example, an example in which a device capable of registering a hall call is installed at the entrance of a hall , and install a card reader in the front lobby of the apartment from a security point of view. When using the card reader, the call is registered to the elevator and the call is made.

When a device capable of registering hall calls is installed at a remote location as described above, it is necessary to consider the walking time of the user from the call registration device to the front of the elevator. For example, if there is an elevator with an open door, passengers who are already at the landing can board immediately, but because the elevator will close after a specified time, passengers who have registered a call at a remote location may not be able to board in time.

In order to eliminate or avoid this state, there are the following technologies: exclude the car whose arrival time is earlier than the user's walking time from the call registration device to the elevator, or exclude the car from the car allocation according to the user's departure from the call registration device. Register the walking time from the device to the front of the elevator to call the car. In addition, according to the technology described in Japanese Patent Application Laid-Open No. Hei 11-322205, for multiple elevators, the longer one of the walking time to each elevator and the estimated arrival time of the car is used as the comprehensive evaluation of each elevator. Value, select the minimum value from all elevator comprehensive evaluation values.

Patent Document 1: Japanese Patent Application Publication No. Japanese Patent Laid-Open No. 11-322205

According to the technology described in Patent Document 1, cars whose arrival prediction time is earlier than the user's walking time from the call registration device to the elevator are not excluded from car allocation, so it is eliminated that all cars are not selected. Case.

However, since the larger of the walking time to each elevator and the predicted arrival time of the car is used as the comprehensive evaluation value of each elevator, for all cars, the arrival time of the elevator is earlier than the walking time of the elevator In this case, since the comprehensive evaluation values are all the same result, an arbitrary elevator may be selected. Therefore, in a high-rise building served by multiple cars, contrary to the case where the elevator near the call registration floor arrives and waits with the door open, the elevator that is arbitrarily selected exists due to calls from other floors. The case where the arrival time of the car is significantly delayed compared to the walking time to reach the elevator.

Contents of the invention

The present invention is proposed to solve the above-mentioned problems, and its object is to provide an elevator group management control device that considers the walking time of the user and the elevator's time when the hall call registration position is located far away from the hall. Select the car according to the number of floors.

The present invention is characterized in that the elevator group supervisory control device has a walking time estimating unit for estimating the arrival time of a passenger when a hall call is registered from a hall button or a call registration unit far from the hall. Walking time; Predictive calculation unit, which predicts the time at which each car that exists can arrive at the landing; Waiting time conversion unit, which predicts and calculates the car arrival forecast time calculated by the predictive calculation unit and the estimated time Compared with the estimated walking time, when the estimated walking time is shorter than the predicted car arrival time, the difference between the predicted car arrival time and the estimated walking time is converted into an actual waiting time. and when the estimated walking time is longer than the predicted car arrival time, the difference between the predicted car arrival time and the estimated walking time is converted into a lost time; the first evaluation value computing unit , in the case of converting to the actual waiting time, the first evaluation value calculation unit makes the evaluation value increase with the increase of the actual waiting time and the slope relative to the actual waiting time increases, calculating the evaluation value; a second evaluation value operation unit different from the first evaluation value operation unit, in the case of switching to the lost time, by causing the evaluation value to accompany the lost time The evaluation value is calculated in such a way that the slope increases with respect to the lost time and the slope of the lost time increases; the allocation unit determines the car with the smallest evaluation value calculated by the evaluation value calculation unit as the assigned car an operation control unit, which instructs the assigned car to move to a floor where a call is registered; a door opening and closing unit, which operates the assigned car according to the actual waiting time or the lost time; After the door is opened, the door is not closed until the estimated walking time has elapsed.

According to the group management control device of this elevator, since it has: a walking time estimating unit, under the situation that a landing call is registered from a call registration unit far away from the landing button or the landing, it is estimated that the passenger arrives at the landing Walking time; Predictive calculation unit, which predicts the time at which each car that exists can arrive at the landing; Waiting time conversion unit, which predicts and calculates the car arrival forecast time calculated by the predictive calculation unit and the estimated time Compared with the estimated walking time, when the estimated walking time is shorter than the predicted car arrival time, the difference between the predicted car arrival time and the estimated walking time is converted into an actual waiting time. and when the estimated walking time is longer than the predicted car arrival time, the difference between the predicted car arrival time and the estimated walking time is converted into a lost time; the first evaluation value computing unit , in the case of converting to the actual waiting time, the first evaluation value calculation unit makes the evaluation value increase with the increase of the actual waiting time and the slope relative to the actual waiting time increases, calculating the evaluation value; a second evaluation value operation unit different from the first evaluation value operation unit, in the case of switching to the lost time, by causing the evaluation value to accompany the lost time The evaluation value is calculated in such a way that the slope increases with respect to the lost time and the slope of the lost time increases; the allocation unit determines the car with the smallest evaluation value calculated by the evaluation value calculation unit as the assigned car an operation control unit that instructs the assigned car to move to a floor where a call is registered; a door opening and closing unit that, according to the actual waiting time or the lost time, after the door of the assigned car is opened The door is not closed until the estimated walking time has elapsed. Therefore, when the landing call registration device is located far from the landing, the walking time of the user and the number of floors of the elevator are considered. The car is selected, so that in a high-rise building served by multiple cars, it is possible to realize elevator group management control with good transportation efficiency, and make the elevator that can arrive more reliably within the arrival time arrive at the call registration floor.

Description of drawings

Fig. 1 is a structural diagram of an elevator group management control device according to Embodiment 1 of the present invention.

Fig. 2 is a flow chart showing the operation of the elevator group supervisory control device according to Embodiment 1 of the present invention.

Fig. 3 is a graph showing the evaluation value relative to the time when the evaluation value calculation unit 12 of the elevator group supervisory control device according to Embodiment 1 of the present invention performs the evaluation value calculation.

Fig. 4 is a flowchart of the control of the car 2 assigned to the operation control unit 14 of the elevator group supervisory control device according to Embodiment 1 of the present invention.

Label description

1. Elevator group management control device; 2. Cars; 3. Each control unit; 4. Floor guidance control unit; 5. Floor button; 6. Hall indicator light; 7. Call registration unit; 8. Communication unit; 9. Walking time estimation unit ;10 Prediction operation unit; 11 Waiting time conversion unit; 12 Evaluation value operation unit; 13 Distribution unit; 14 Door opening and closing unit; 15 Operation control unit

Detailed ways

Hereinafter, Example 1 will be described as the best mode for carrying out the invention.

【Example 1】

Fig. 1 is a structural diagram of an elevator group management control device according to Embodiment 1 of the present invention. An elevator group supervisory control device 1 that efficiently manages a plurality of cars surrounded by a dashed-dotted line is communicably connected to each car control unit 3 that controls each car 2 . The group supervisory control device 1 is also communicably connected to the hall guidance control unit 4 . The hall guidance control unit 4 is electrically connected with the hall button 5 provided at the hall for passenger registration of hall calls, and the hall indicator light 6 for displaying the arrival guidance of each elevator and displaying the allocation forecast of the hall calls.

The elevator group supervisory control device 1 is also communicably connected to the call registration unit 7 installed at a position far from the hall. The call registration unit 7 can be the same device as the landing button 5, or it can be a card reader or a security access control etc. to detect the arrival of passengers, and it can be used as a landing call to the elevator group management control device. 1 A device for transmitting information.

The inside of the elevator group supervisory control device 1 will be described.

The elevator group supervisory control device 1 has each car control unit 3 , a landing guidance control unit 4 , and a communication unit 8 capable of communicating with a call registration unit 7 .

In addition, the elevator group supervisory control device 1 has: a walking time estimating unit 9 that estimates the walking time until a passenger arrives at a landing when a call is registered from the landing button 5 or the call registration unit 7; Unit 10, under the situation that each car 2 has been allocated to the new hall call elevator, carry out the predictive calculation that each car 2 can arrive after several seconds; The walking time of the estimated result of unit 9 is compared with the forecast calculation result of prediction calculation unit 10, and the predicted waiting time is converted into substantial waiting time or lost time; evaluation value calculation unit 12, which converts the calculation result of unit 11 according to waiting time, For a new hall call, the evaluation value of each car is calculated; the allocation unit 13 determines the allocation of the car 2 according to the evaluation value of each car; the door opening and closing unit 14 responds when the assigned car 2 responds. In the case of a landing call, the opening time of the door is determined; and the operation control unit 15 controls the operation of each car 2 according to the determination of the distribution unit 13 and the door opening and closing unit 14 . The various structural elements in the elevator group supervisory control device 1 are communicably connected to each other and can carry out information transmission.

Describe the work.

Fig. 2 is a flow chart showing the operation of the elevator group supervisory control device according to Embodiment 1 of the present invention.

In step 100, when a call is registered from the landing button 5 or the call registration unit 7, input including at least The registered hall button 5, the floor of the call registration unit 7, or the call registration information of the desired uplink and downlink information.

Next, in step 101, the predictive computing unit 10 performs a calculation on the car of No. I machine (I is a natural number from 1 to N) among N cars (N is a natural number greater than 2) according to the call registration information. Prediction calculation of the arrival time of the floor where the call registration information is registered. The steps of the prediction calculation are as group management control as shown in the method described in Japanese Patent Laid-Open Publication: Japanese Patent Application Laid-Open No. 54-102745. Steps for widespread implementation.

Next, in step 102, the walking time estimating unit 9 first estimates the time required for the passenger who has registered the call to walk up to the car 2 at the hall. For example, the estimated walking time is obtained by calculating a value obtained by dividing the distance from the registered hall button 5 or the position of the call registration unit 7 to the hall by the passenger's walking speed. That is, walking time=distance from a boarding point÷walking speed. The distance from the boarding station can use the value stored in advance by the walking time estimation unit 9 according to the call registration information, and the walking speed can also use the value stored in advance by the walking time estimation unit 9, for example, according to people's normal walking speed 4km/h. set up. Therefore, the walking time estimating means 9 can store the walking time based on the call registration information in advance. Also, when a call is registered with the hall button 5 in front of the hall, the distance to the hall or the walking time stored by the walking time estimation means 9 may be 0.

Next, the walking time estimating unit 9 outputs the estimated walking time to the waiting time converting unit 11 , and the arrival time for each car calculated by the prediction computing unit 10 is output to the waiting time converting unit 11 . The waiting time conversion unit 11 compares the estimated walking time with the arrival time of each car. Specifically, it is judged whether the arrival time of each car is longer than the estimated walking time.

When the estimated walking time is short, in S103, the waiting time converting means 11 changes the arrival time of each car to the actual waiting time. The actual waiting time is obtained by "actual waiting time=arrival time of each car-walking time". The actual waiting time is set as the difference between the arrival time of each car and the walking time, because passengers usually do not feel like waiting when walking or other actions, so the difference is taken as the actual waiting time. The waiting time conversion unit 11 outputs the actual waiting time to the evaluation operation unit 12 .

When the estimated walking time is long, in S104, the waiting time converting means 11 calculates the lost time of each car. The lost time is the time when each car cannot operate and has to stop, and is obtained by "lost time=walking time-arrival time of each car". The waiting time conversion unit 11 outputs the lost time to the evaluation value calculation unit 12 .

In step S105, the evaluation value calculation unit 12 performs evaluation value calculation based on the actual waiting time in S103 and the lost time in S104. For example, the evaluation value is represented by the formula (1).

(Formula 1)

J(I)＝∑wi·fi(xi)

J(I): Evaluation value when unit I is allocated...(1)

wi: weight

xi: actual waiting time or lost time

Fig. 3 is a diagram showing evaluation values relative to time when evaluation value calculation means 12 of the elevator group supervisory control device according to Embodiment 1 of the present invention performs evaluation value calculations. In Figure 3(a), the vertical axis represents the evaluation value J1, and the horizontal axis represents the actual waiting time; in Figure 3(b), the vertical axis represents the evaluation value J2, and the horizontal axis represents the lost time; in Figure 3(c), the vertical axis The evaluation values are shown, and the horizontal axis shows a combination of the actual waiting time and the lost time.

As shown in FIG. 3(a) for the evaluation value of the actual waiting time obtained by S103 in FIG. 2, as the actual waiting time increases, the obtained evaluation value J1 increases, and the slope of the evaluation value J1 also increases. big. The reason for this is that passenger dissatisfaction significantly increases as the actual waiting time becomes longer.

As shown in FIG. 3(b) for the evaluation value of the lost time obtained by S104 in FIG. 2, as the lost time increases, the obtained evaluation value J2 increases, and the slope of the evaluation value J2 also increases. The reason is that the longer the lost time, the lower the transport efficiency of the elevator correspondingly, so the reduction of the transport efficiency of the elevator can be prevented.

In addition, the evaluation value J3 in FIG. 3(c) is a combination of the positive and negative values of the evaluation value J1 in FIG. 3(a) and the evaluation value J2 in FIG. In S104, the actual waiting time and lost time may be evaluated without distinction.

In S106, it is confirmed whether the allocation unit 13 has evaluated each car, that is, the No. 1 machine to the No. N car. If not, the steps of S101 to S105 are performed on the next car. When it is finished, select in S107 The car of the No. I car whose evaluation value J3 is the smallest is determined to assign the car. Finally in S108, the allocating unit 13 executes allocating instructions on the allotted cars 2 .

For the assigned car 2, the operation control unit 15 controls the time of the assigned car 2 according to the waiting time or the lost time of the assigned car 2 stored in the waiting time converting unit 11 or the evaluation value computing unit 12. Work.

Fig. 4 is a flowchart of the control of the allocated cars 2 by the operation control unit 14 of the elevator group supervisory control device according to Embodiment 1 of the present invention.

First, in S200, the operation control unit 15 instructs the assigned car 2 to move to the floor where the call is registered. Then, this instruction is transmitted to each car control unit 3 via the communication unit 8, and the position or speed of the assigned car 2 is controlled. When the car 2 arrives, the door opening and closing unit 14 outputs a door opening instruction, which is transmitted to each control unit 3 via the communication unit 8, so as to control the position or speed of the door. Then, the car door becomes the open state.

Next, in S201, the door opening and closing unit 14 confirms whether the passenger's walking time has passed since the hall call registration, and if so, instructs to close the door in S202, and the instruction is transmitted to each station control via the communication unit 8. Unit 3, so as to control the position or speed of the door. If the passenger's walking time has not elapsed since the boarding point call registration, an instruction is made to maintain the door open state in S203. This step is repeated at predetermined intervals. S203 is for preventing the door from closing and moving to another floor when the passenger's walking time has not elapsed since the hall call registration.

Therefore, according to Embodiment 1, the elevator group control device has: a walking time estimating unit 9 that estimates a passenger's arrival floor when a call is registered from the hall button 5 or the call registration unit 7 far from the hall. The walking time of the station; Predictive calculation unit 10, it carries out predictive calculation to the time that each car 2 that exists in a plurality of can arrive landing; The difference between the predicted arrival time and the estimated walking time is converted into a real waiting time or a lost time; an evaluation value calculation unit 12, which uses the real waiting time or the lost time to calculate the evaluation value that increases with the increase of the real waiting time or the lost time. value; allocation unit 13, which determines the car with the smallest evaluation value calculated by evaluation value calculation unit 12 as the allocated car; operation control unit 15, which instructs the allocated car 2 to the floor where the call is registered and the door opening and closing unit 14, which, according to the actual waiting time or lost time, after the door of the assigned car 2 is opened, makes the door not close until the estimated walking time has passed, so that when the hall call When the elevator registration device is far away from the hall, the car is selected in consideration of the walking time of the user and the number of floors of the elevator, so that in high-rise buildings served by multiple cars, etc., it is possible to more reliably arrive within the arrival time. The arriving elevator arrives at the call registration floor and becomes in an open state to perform elevator group management control with good transportation efficiency.

In addition, when the actual waiting time or lost time is 0 as a reference, the evaluation value increases from this reference, and the car with the minimum evaluation value of each car is assigned as the assigned car, thereby eliminating the following problem: the conventional loss In the case of time, all are not used as evaluation objects, or as shown in Japanese Patent Application Publication No.: Japanese Patent Application Laid-Open No. 11-322205, the larger one of the walking time for the user to reach each elevator and the estimated arrival time of the car is taken as In the case of the comprehensive evaluation value of each elevator, if the arrival time of the elevator is earlier than the walking time of the elevator for all the cars, the comprehensive evaluation value is all the same result. In the high-rise buildings that serve, it is more efficient to make the elevator close to the call registration floor arrive and wait with the door open. In contrast, the arrival time of the car that is selected arbitrarily due to many other floors is called. The case where the walking time to reach the elevator is greatly delayed.

Industrial Utilization Possibility

The elevator group management control device of the present invention is suitable for the operation of elevators.

Claims (1)

1. an elevator group management and control device is characterized in that, this elevator group management and control device has:

The walking time estimation unit, it estimates that from having registered under the situation of landing call away from the terraced registration unit of exhaling of landing button or stop the passenger arrives the walking time of stop;

The prediction arithmetic element, the time that its each car to a plurality of existence can arrive stop is predicted computing;

The wait time converting unit, its car that prediction of described prediction arithmetic element is calculated arrives predicted time and the estimated described walking time that goes out compares, when the estimated described walking time that goes out was shorter than described car and arrives predicted time, the difference that car is arrived predicted time and the estimated described walking time that goes out was converted to the essence wait time; And when the estimated described walking time that goes out was longer than described car and is arrived predicted time, the difference that car is arrived predicted time and the estimated described walking time that goes out was converted to lost hours;

The first evaluation number arithmetic element, under the situation that is converted to described essence wait time, this first evaluation number arithmetic element is by making evaluation number follow the increase of described essence wait time to increase and with respect to the mode that the slope of described essence wait time increases, calculating described evaluation number;

The second evaluation number arithmetic element that is different from the described first evaluation number arithmetic element, be converted under the situation of described lost hours, this second evaluation number arithmetic element is by making evaluation number follow the increase of described lost hours to increase and with respect to the mode that the slope of described lost hours increases, calculating described evaluation number;

Allocation units, it is defined as distributing car with the described evaluation number that the described first evaluation number arithmetic element or the described second evaluation number arithmetic element calculate for minimum car;

The running control unit, it exhales the floor of ladder to move the described car indication that is distributed to having registered; And

The door opening/closing unit, it after the door of the described car that is distributed is opened, does not make described door close, according to described essence wait time or described lost hours till having passed through the described walking time that estimates.

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