CN116101859A - Elevator group control scheduling method based on sequence matrix self-refreshing - Google Patents
Elevator group control scheduling method based on sequence matrix self-refreshing Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/2408—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration where the allocation of a call to an elevator car is of importance, i.e. by means of a supervisory or group controller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3446—Data transmission or communication within the control system
- B66B1/3461—Data transmission or communication within the control system between the elevator control system and remote or mobile stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/10—Details with respect to the type of call input
- B66B2201/103—Destination call input before entering the elevator car
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/20—Details of the evaluation method for the allocation of a call to an elevator car
- B66B2201/211—Waiting time, i.e. response time
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/20—Details of the evaluation method for the allocation of a call to an elevator car
- B66B2201/222—Taking into account the number of passengers present in the elevator car to be allocated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/40—Details of the change of control mode
- B66B2201/403—Details of the change of control mode by real-time traffic data
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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Abstract
The invention discloses an elevator group control scheduling method based on sequence matrix self-refreshing, which comprises the following steps: determining a target floor and executing an elevator according to the initial outbound signal; inserting the destination floor into the signal sequence of the execution elevator; the elevator is controlled to be carried out to go to the target floor according to the first signal sequence, and a sequence refreshing request for carrying out the elevator is received in the process of going to; judging whether the executive elevator reaches a target floor according to the sequence refreshing request of the executive elevator, if so, receiving an internal call signal of the executive elevator and clearing registration of an initial external call signal in the first signal sequence to obtain a second signal sequence, otherwise, clearing registration of the initial external call signal in the executive elevator and reassigning the signal to obtain the second signal sequence; obtaining a composite sequence according to the new outbound signal, the new inbound signal and the new second signal sequence; and controlling and executing elevator operation according to the composite sequence. The invention can analyze signals in time, realize optimal dispatching, and further improve the passenger capacity and the operation efficiency of the elevator.
Description
Technical Field
The invention relates to the technical field of elevator group control dispatching, in particular to an elevator group control dispatching method based on sequence matrix self-refreshing.
Background
With the development of economy and the growth of population, buildings are developed higher and higher due to the limitation of urban land resources, and elevators are one of the very important electromechanical devices in high-rise buildings, which are important facilities of the high-rise buildings. Elevator equipment is not only expensive; and whether the design of the elevator system is reasonable will also directly affect the safety in use and the quality of service of the operation of the building, as well as the economic benefits. In recent years, with the development of the house industry, the demand of the elevator is increased, the elevator industry is gradually heated, and the elevator industry has a very wide development trend, so that higher requirements are also put on the economy and the running safety and reliability of the elevator.
The control method of the elevators is various, and in early stage, because the number of building layers is low and the number of people is small, relay sequential control is usually adopted, and the control mode is a time interval control mode and a partition control mode. Later along with the development of power electronics technology, the control mode that hardware is an integrated circuit and a scheduling mode is priority is adopted. The computer is used in elevator group control system to mark the beginning of modern elevator group control stage. In 1988, artificial intelligence technology began to be applied to elevator group control systems, and developed to now include: expert system technology, fuzzy logic technology, neural network technology, fuzzy neural network technology, evolutionary algorithm (such as genetic algorithm and immune algorithm) and the like, so that the intelligent degree of the elevator group control system is further improved, and the system is more perfect but still in further development.
At present, the control of a plurality of elevators mainly adopts the following modes: an expert system-based elevator group control dispatching algorithm, a fuzzy control elevator group control dispatching technology and a neural network-based group control dispatching method.
After the outbound signal is given, the existing elevator group control algorithm cannot be changed after the elevator dispatching strategy is determined, so that the elevator waiting time of passengers is increased, and the elevator execution efficiency is reduced.
Disclosure of Invention
The invention aims to provide an elevator group control scheduling method based on sequence matrix self-refreshing, which can analyze signals in time to reflect problems more comprehensively and realize optimal scheduling by refreshing sequences in real time on the premise of realizing the group control of a plurality of elevators, and meanwhile, simplify an algorithm model of a device, reduce energy consumption, reduce the waiting time of passengers and improve the passenger capacity and the operation efficiency of the elevators.
The technical scheme for solving the technical problems is as follows:
the invention provides an elevator group control scheduling method based on sequence matrix self-refreshing, which comprises the following steps:
s1: determining a target floor and executing an elevator according to the initial outbound signal;
s2: inserting the target floor into the signal sequence of the executive elevator to obtain a first signal sequence;
s3: controlling the executive elevator to go to a target floor according to the first signal sequence, and receiving a sequence refreshing request of the executive elevator in the going process;
s4: judging whether the executive elevator reaches the target floor according to the sequence refreshing request of the executive elevator, if so, entering a step S5, otherwise, clearing the registration of an initial outbound signal in the executive elevator, and reassigning the signal to obtain a second signal sequence;
s5: receiving the internal call signal of the executive elevator and clearing the registration of the initial external call signal in the first signal sequence to obtain a second signal sequence;
s6: if the external calling signal and the internal calling signal exist at the current moment, the internal calling signal and the external calling signal at the current moment are inserted into the second signal sequence at the same time, so that a composite sequence is obtained; otherwise, inserting the internal calling signal into the second signal sequence to obtain a composite sequence;
s7: and controlling the elevator to run according to the composite sequence.
Optionally, the step S1 includes:
s11: determining a target matrix according to the number of elevators and the number of floors;
s12: assigning each unit value in the target matrix through an assignment instruction;
s13: determining the floor where the initial outbound signal is located as a target floor;
s14: the registration of the original outbound signals in the signal sequences of all elevators is eliminated, and posture adjustment is carried out on all elevators to obtain the current floor of each elevator;
s15: determining the difference value between the current floor of each elevator and the target floor;
s16: from the difference value, it is determined that the elevator that is in good condition and can perform a task is an executive elevator.
Optionally, in the step S14, performing posture adjustment on all elevators includes: when the target elevator has a unique signal and is in a non-flat-floor position, the original direction continuous operation is required to be kept until the nearest floor stops, and the target elevator cannot be logged in reversely or directly stopped, so that misoperation is avoided.
Alternatively, the malfunction is inconsistent as a system recorded position and an actual position of the target elevator.
Optionally, the elevator group control scheduling method based on the sequence matrix self-refresh further comprises the following steps:
if the sequence refreshing request signal of the execution elevator is received, the feedback signal is analyzed in real time, and an analysis result is obtained;
and performing signal reassignment to execute the elevator by using the analysis result.
Optionally, the executive elevator sends out a sequence refresh request signal when the executive elevator meets a precondition.
Optionally, the preconditions include long stops of the elevator, number of elevator floors change, outbound call button pulse, temporary elevator failure, and elevator pre-load.
Optionally, the elevator group control scheduling method based on the sequence matrix self-refresh further comprises the following steps: and controlling the minimum value of the output composite sequence to respond in sequence when the executing elevator executes the uplink task until the downlink task is executed after the uplink signal is completely responded, and the maximum value of the output composite sequence responds in sequence or the elevator keeps a sleep state when no signal exists.
The invention has the following beneficial effects:
the invention utilizes the sequence to refresh in real time, can adjust the task allocation of the elevators in real time according to the self operation conditions, external signal conditions and passenger capacity of a plurality of elevators, thereby realizing the purpose of group control, reducing the average waiting time of passengers, greatly improving the operation efficiency of the elevators, reducing the system energy consumption of the elevators caused by no-load and having more remarkable effect on the middle peak period of elevator operation.
Drawings
Fig. 1 is a flow chart of the elevator group control scheduling method based on the sequence matrix self-refresh of the present invention;
fig. 2 is a schematic diagram of the elevator group call signal encoding of the present invention;
FIG. 3 is a workflow diagram of sequential matrix self-refresh;
fig. 4 is a schematic diagram of a group control elevator signal refresh condition.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
The invention provides an elevator group control dispatching method based on sequence matrix self-refreshing, which is shown by referring to fig. 1, and comprises the following steps:
s1: determining a target floor and executing an elevator according to the initial outbound signal;
optionally, the step S1 includes:
s11: determining a target matrix according to the number of elevators and the number of floors;
s12: assigning each unit value in the target matrix through an assignment instruction;
according to the invention, by setting the matrix of N (2N-2) (N represents the number of elevators and N represents the number of floors), each unit value in the matrix can refresh and process all outbound signals in real time according to the actual conditions of elevator call signals and running states, so that the signal circulation and elevator response speed are improved, and the waiting time of passengers is finally shortened.
As shown in fig. 2, for an elevator group that can respond to an outbound of n floors, the rows of the matrix locate the outbound signals of the elevators and their directions, completely number the signals from the upstream of 1 floor to the downstream of n floors, the outbound signals of the lowest floor and the highest floor belong to only one direction, and the other signals have two directions, so that the number of corresponding rows of the matrix is 2n-2.
The columns of the matrix are positioned as elevator ladder numbers, and the elevator 1 to the elevator N are completely numbered; the operation of erasing or writing after the sequence can be carried out by determining the row number corresponding to the outbound signal and executing the ladder number by the outbound signal, and finally the array is output to an independent single elevator for response according to the columns; as shown in fig. 3, the outbound signal S of the N elevator groups iN0 Applying for a sequential refresh request to the system for signal S iN (from original N before application of refreshing 0 Number ladder responds to outbound signals with row number i, N 0 ∈[0,N]，N 0 The expression 0 indicates that the outbound signal is in a waiting allocation state because all elevators do not meet the condition or are input for the first time, indicating that this is an outbound signal i-handed to the N-numbered elevator for execution, each outbound signal being circulated in its corresponding row of data units, each outbound signal having a unique response elevator at any time.
S13: determining the floor where the initial outbound signal is located as a target floor;
s14: the registration of the original outbound signals in the signal sequences of all elevators is eliminated, and posture adjustment is carried out on all elevators to obtain the current floor of each elevator;
the outbound signal is registered by setting the corresponding ith row to 0, i.e. erasing all elevators.
Posture adjustment for all elevators includes: when the target elevator has a unique signal and is in a non-flat-floor position, the original direction continuous operation is required to be kept until the nearest floor stops, and the target elevator cannot be logged in reversely or directly stopped, so that misoperation is avoided.
That is, the posture adjustment can be understood as: for example, the unique outbound signal of the first elevator in the running process is reassigned to other available elevators, the first elevator needs to go to the nearest floor to stop, the door opening and closing operation is not performed, and the first elevator enters a dormant state to wait for the dispatch of the outbound signal.
The misoperation is usually caused by that the elevator position does not correspond to the actual floor, the floor addition and subtraction of the elevator is realized through the upper and lower leveling signal sensor of each floor, the rising edge of a signal is detected, the elevator floor variable in the system is correspondingly added one by one, if the signal is distributed to other elevators, the elevator does not have a signal source, the elevator position is not adjusted, the elevator is stopped at the middle interlayer of the two floors, and the process requirement is not met.
The malfunction is inconsistent with the actual position as the system record position of the target elevator. The later stage can lead to the elevator to rush to the top, causes the accident.
S15: determining the difference value between the current floor of each elevator and the target floor;
s16: from the difference value, it is determined that the elevator that is in good condition and can perform a task is an executive elevator.
I.e. by operation D ij ＝∣k j ﹣α∣j∈[1,N]The floor difference of each elevator is obtained and the absolute value is taken as the distance. Then the minimum value m=min (D i1 ,D i2 ,…,D iN ) Finding the nearest available elevator, inserting the target floor into the corresponding elevator sequence and outputting the result.
For the elevator with unequal difference, full load, fault, no running interval and other special working conditions, the elevator number N is written j =100 by taking small N e ＝min(N 1 ,N 2 ,…,N N )，N e ∈[0,N]To find the available executive elevator number N closest to the destination floor e Thereby replacing the original N 0 Number ladder to respond to the paging signal, if N e When=0, the outbound signal will continue to apply for sequential refreshes to the system until the signal is assigned to the determined elevator; at the same time, the ladder number N is automatically taken out in the process of taking small j The unavailable elevator with the number of 100 is eliminated, the elevator with the smallest elevator number can be taken according to the condition that a plurality of elevator states are consistent, and then the elevator with the smallest elevator number is passed through S iN Write call signal to N =α e Number execution elevator signal sequence (S 1,Ne ,…,S i,Ne ,…,S 2n-2,Ne ) -1 Then outputting the new running sequence matrix to the corresponding elevator for execution, and completing the task allocation of the elevator; several refreshes will be performed throughout the period when the signal input to the end of the signal response, which signal is responded to in a shorter time.
S2: inserting the target floor into the signal sequence of the executive elevator to obtain a first signal sequence;
s3: controlling the executive elevator to go to a target floor according to the first signal sequence, and receiving a sequence refreshing request of the executive elevator in the going process;
s4: judging whether the executive elevator reaches the target floor according to the sequence refreshing request of the executive elevator, if so, entering a step S5, otherwise, clearing the registration of an initial outbound signal in the executive elevator, and reassigning the signal to obtain a second signal sequence;
s5: receiving the internal call signal of the executive elevator and clearing the registration of the initial external call signal in the first signal sequence to obtain a second signal sequence;
s6: if the external calling signal and the internal calling signal exist at the current moment, the internal calling signal and the external calling signal at the current moment are inserted into the second signal sequence at the same time, so that a composite sequence is obtained; otherwise, inserting the internal calling signal into the second signal sequence to obtain a composite sequence;
s7: and controlling the elevator to run according to the composite sequence.
Optionally, the elevator group control scheduling method based on the sequence matrix self-refresh further comprises the following steps:
if the sequence refreshing request signal of the execution elevator is received, the feedback signal is analyzed in real time, and an analysis result is obtained;
and performing signal reassignment to execute the elevator by using the analysis result.
Optionally, the executive elevator sends out a sequence refresh request signal when the executive elevator meets a precondition.
Optionally, the preconditions include long stops of the elevator, number of elevator floors change, outbound call button pulse, temporary elevator failure, and elevator pre-load.
As shown in fig. 4, when five conditions of long stopping of the elevator, change of the number of floors of the elevator, outbound call button pulse, temporary elevator fault and elevator pre-loading occur, the corresponding assignment command is triggered, the variable "refresh request" is assigned to 1, and the system will perform a series of mathematical operations again to find out the target floor and assign the target floor to an available elevator closest to and with the smallest elevator number. Until the elevator stops for a long time, the number of elevator floors is changed, the external call button pulse, the temporary elevator fault and the elevator pre-loading condition are correspondingly processed, the corresponding assignment instruction is triggered again, the variable refresh request is reset to 0, and the system can continue to process the next signal. Any one of the five conditions of long-time stopping of the elevator, number conversion of elevator floors, external call button pulse, temporary elevator fault and elevator pre-full load can be triggered once, the sequence refreshing can be triggered, and the condition that a plurality of applications refresh the same external call signal and a plurality of external call signals simultaneously is met.
Optionally, the elevator group control scheduling method based on the sequence matrix self-refresh further comprises the following steps: and controlling the minimum value of the output composite sequence to respond in sequence when the executing elevator executes the uplink task until the downlink task is executed after the uplink signal is completely responded, and the maximum value of the output composite sequence responds in sequence or the elevator keeps a sleep state when no signal exists.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The elevator group control scheduling method based on the sequence matrix self-refreshing is characterized by comprising the following steps of:
s1: determining a target floor and executing an elevator according to the initial outbound signal;
s2: inserting the target floor into the signal sequence of the executive elevator to obtain a first signal sequence;
s3: controlling the executive elevator to go to a target floor according to the first signal sequence, and receiving a sequence refreshing request of the executive elevator in the going process;
s4: judging whether the executive elevator reaches the target floor according to the sequence refreshing request of the executive elevator, if so, entering a step S5, otherwise, clearing the registration of an initial outbound signal in the executive elevator, and reassigning the signal to obtain a second signal sequence;
s5: receiving the internal call signal of the executive elevator and clearing the registration of the initial external call signal in the first signal sequence to obtain a second signal sequence;
s6: if the external calling signal and the internal calling signal exist at the current moment, the internal calling signal and the external calling signal at the current moment are inserted into the second signal sequence at the same time, so that a composite sequence is obtained; otherwise, inserting the internal calling signal into the second signal sequence to obtain a composite sequence;
s7: and controlling the elevator to run according to the composite sequence.
2. The elevator group control scheduling method based on the sequence matrix self-refresh according to claim 1, wherein the step S1 comprises:
s11: determining a target matrix according to the number of elevators and the number of floors;
s12: assigning each unit value in the target matrix through an assignment instruction;
s13: determining the floor where the initial outbound signal is located as a target floor;
s14: the registration of the original outbound signals in the signal sequences of all elevators is eliminated, and posture adjustment is carried out on all elevators to obtain the current floor of each elevator;
s15: determining the difference value between the current floor of each elevator and the target floor;
s16: from the difference value, it is determined that the elevator that is in good condition and can perform a task is an executive elevator.
3. The elevator group control scheduling method based on the sequence matrix self-refresh according to claim 2, wherein in the step S14, performing posture adjustment on all elevators comprises: when the target elevator has a unique signal and is in a non-flat-floor position, the original direction continuous operation is required to be kept until the nearest floor stops, and the target elevator cannot be logged in reversely or directly stopped, so that misoperation is avoided.
4. The elevator group control dispatch method based on sequential matrix self-refresh of claim 3, wherein the malfunction is inconsistent as a system recorded location and an actual location of the target elevator.
5. The sequence matrix self-refresh based elevator group control dispatch method of claim 1, wherein the sequence matrix self-refresh based elevator group control dispatch method further comprises:
if the sequence refreshing request signal of the executive elevator is received, the running state of the executive elevator is analyzed in real time according to the sequence refreshing request signal, and an analysis result is obtained;
and performing signal reassignment to execute the elevator by using the analysis result.
6. The elevator group control dispatch method based on sequential matrix self-refresh of claim 5, wherein the executive elevator issues a sequential refresh request signal when the executive elevator satisfies a precondition.
7. The method of claim 6, wherein the preconditions include long stops of elevators, number of elevator floors change, outbound call button pulse, temporary elevator failure, and elevator pre-loading.
8. The elevator group control dispatch method based on sequence matrix self-refresh according to any one of claims 1-7, wherein,
the elevator group control scheduling method based on the sequence matrix self-refreshing further comprises the following steps: and controlling the minimum value of the output composite sequence to respond in sequence when the executing elevator executes the uplink task until the downlink task is executed after the uplink signal is completely responded, and the maximum value of the output composite sequence responds in sequence or the elevator keeps a sleep state when no signal exists.
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