Elevator vertical dispatching and energy-saving operation algorithm

Abstract

The invention relates to the technical field of elevator operation control, and discloses an elevator vertical scheduling and energy-saving operation algorithm which comprises the following steps: firstly, monitoring the number of passengers and the load condition in an elevator car in real time to determine the current load state of the elevator; then, the number of passengers waiting outside the hall of each floor and the load demand of the passengers are obtained, and the data are used for calculating the optimal elevator running path and direction through an algorithm, so that the passenger carrying efficiency is maximized, and meanwhile, the energy consumption is minimized. The algorithm also considers the moving time and energy consumption cost of the elevator between different floors. By analyzing the predicted arrival time and energy consumption of the elevator in different running directions, the decision algorithm can quickly respond to the calling requests of passengers and select the most effective running direction, so that no-load or low-load running is reduced as much as possible, and the overall performance of the elevator system is optimized.

Description

Technical Field

[0001] The present application relates to the technical field of elevator operation control, and specifically to an operation algorithm for elevator vertical scheduling and energy saving. Background Art

[0002] At present, most of the vertical elevator systems used in China are designed to run in one direction, which may cause a series of challenges in efficiency and user experience in some cases. For example, when the elevator runs in the opposite direction of the passenger's demand, the passengers can only passively wait for the next opportunity, which not only wastes their time, but also increases the load and energy consumption of the elevator system.

[0003] Especially during off-peak hours or when the elevator is unloaded, the distance between floors is large, which increases the idle time of the elevator operation, further reduces efficiency, and also increases the operating cost and energy consumption of the system. This situation may cause dissatisfaction among passengers, especially during busy peak hours, when the waiting time for the elevator may be significantly extended, affecting their travel experience and productivity.

[0004] These challenges highlight the limitations of traditional elevator systems in adapting to different operating requirements and optimizing resource utilization. Therefore, finding and adopting new technologies and management strategies, such as intelligent dispatching systems or more flexible operating modes, are of great significance to improving the efficiency of elevator systems, reducing energy consumption and improving passenger satisfaction. Summary of the invention

[0005] The purpose of this application is to provide an elevator vertical scheduling and energy-saving operation algorithm to solve the technical problems raised in the above background.

[0006] To achieve the above purpose, the present application discloses the following technical solution: an elevator vertical scheduling and energy-saving operation algorithm, comprising the following steps:

[0007] Determine the elevator rated power P, rated load m max , the elevator counterweight is m 对重 , the weight of the elevator car is m 轿厢 , the current load of the elevator is m cur ;

[0008] When the elevator is running, the load of the first passenger C1 in the car is defined as m1, and the target floor is the first floor F1; the load of the second passenger C2 who needs to take the elevator is defined as m2, the current floor is the current floor F3, and the target floor is the second floor F4; when the elevator runs to the intermediate floor F2, the second passenger C2 calls the elevator, and the intermediate floor F2 is between the first floor F1 and the current floor F3, m1+m2≤m max ;

[0009] Calculate the energy consumption E of each elevator operation, Among them, P(m cur ,t) is the power of the elevator each time it runs Wherein, up? 1:-1 means that when the elevator is running upward, the overall value of up? 1:-1 is 1, and when the elevator is running downward, the overall value of up? 1:-1 is -1; C is a constant with an initial value of 1, and is calculated by the following formula after the elevator runs N times:

[0010] After the second passenger C2 calls the elevator, the time consumption and energy consumption corresponding to the first operation mode and the second operation mode are calculated respectively; wherein the first operation mode is: the elevator first sends the first passenger C1 to the first floor F1, then arrives at the current floor F3 to pick up the second passenger C2, and finally sends the second passenger C2 to the second floor F4; the second operation mode is: the elevator first arrives at the current floor F3 to pick up the second passenger C2, and then sends the first passenger C1 and the second passenger C2 to the first floor F1 and the second floor F4 respectively;

[0011] The time consumption and energy consumption corresponding to the first operating mode are compared with the time consumption and energy consumption corresponding to the second operating mode respectively; when the time consumption and energy consumption corresponding to the second operating mode are both less than the time consumption and energy consumption corresponding to the first operating mode, the second operating mode is selected as the corresponding operating mode of the elevator; otherwise, either the first operating mode or the second operating mode is selected as the corresponding operating mode of the elevator.

[0012] Preferably, when the second floor F4 is located between the first floor F1 and the middle floor F2, the time and energy consumption corresponding to the first operation mode and the second operation mode are calculated in the following manner:

[0013] Step A1: define t1 as the time when the elevator runs from the middle floor F2 to the first floor F1, and the energy consumption generated therein is E1, which is calculated by the calculation formula of the energy consumption E; define t2 as the time when the elevator runs from the middle floor F2 to the current floor F3, and the energy consumption generated therein is E2, which is calculated by the calculation formula of the energy consumption E; define t3 as the time when the elevator runs from the current floor F3 to the second floor F4, and the energy consumption generated therein is E3, which is calculated by the calculation formula of the energy consumption E; define t4 as the time when the elevator runs from the second floor F4 to the first floor F1, and the energy consumption generated therein is E4, which is calculated by the calculation formula of the energy consumption E; define t5 as the time when the elevator runs from the first floor F1 to the current floor F3, and the energy consumption generated therein is E5, which is calculated by the calculation formula of the energy consumption E;

[0014] Step A2: Calculate the time and energy consumption corresponding to the first operation mode, T1 = t1 + t5 + t3, E situation_1 =E1+E5+E3, where T1 is the time taken for the first operation mode at this time, E situation_1 The energy consumption corresponding to the first operation mode at this time;

[0015] Step A3: Calculate the time and energy consumption corresponding to the second operation mode, T2 = t2 + t3 + t4, E situation_2 =E2+E3+E4, where T2 is the time taken for the first operation mode at this time, E situation_2 The energy consumption corresponding to the first operation mode at this time;

[0016] Step A4: When T2<T1, and satisfies When the elevator is in a state of emergency, the second operation mode is selected as the corresponding operation mode of the elevator; otherwise, either the first operation mode or the second operation mode is selected as the corresponding operation mode of the elevator.

[0017] Preferably, when the first floor F1 is located between the second floor F4 and the middle floor F2, the time and energy consumption corresponding to the first operation mode and the second operation mode are calculated in the following manner:

[0018] Step B1: define t1' as the time when the elevator runs from the middle floor F2 to the first floor F1, and the energy consumption generated therein is E1', which is calculated by the calculation formula of the energy consumption E; define t2' as the time when the elevator runs from the middle floor F2 to the current floor F3, and the energy consumption generated therein is E2', which is calculated by the calculation formula of the energy consumption E; define t3' as the time when the elevator runs from the current floor F3 to the first floor F1, and the energy consumption generated therein is E3', which is calculated by the calculation formula of the energy consumption E; define t4' as the time when the elevator runs from the first floor F1 to the second floor F4, and the energy consumption generated therein is E4', which is calculated by the calculation formula of the energy consumption E; define t5' as the time when the elevator runs from the first floor F1 to the current floor F3, and the energy consumption generated therein is E5', which is calculated by the calculation formula of the energy consumption E;

[0019] Step B2: Calculate the time and energy consumption corresponding to the first operation mode, T1'=t1'+t5'+t3'+t4', E situation_1 '=E1'+E5'+E3'+E4', where T1' is the time consumption corresponding to the first operation mode at this time, E situation_1 ' is the energy consumption corresponding to the first operating mode at this time;

[0020] Step B3: Calculate the time and energy consumption corresponding to the second operation mode, T2'=t2'+t3'+t4', E situation_2 '=E2'+E3'+E4', where T2' is the time consumption corresponding to the first operation mode at this time, E situation_2 ' is the energy consumption corresponding to the first operating mode at this time;

[0021] Step B4: When T2'<T1', and satisfy: When the elevator is in a state of emergency, the second operation mode is selected as the corresponding operation mode of the elevator; otherwise, either the first operation mode or the second operation mode is selected as the corresponding operation mode of the elevator.

[0022] Beneficial effects: The use of the elevator vertical scheduling and energy-saving operation algorithm of the present application can improve the operating efficiency and energy-saving and emission-reduction effects of elevator operation based on actual scenarios, and can improve the travel experience of passengers, thereby promoting the intelligent development and sustainable operation of the elevator industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 A schematic diagram of a second floor provided in an embodiment of the present application when the second floor is located between the first floor and the middle floor;

[0025] Figure 2 A schematic diagram of an embodiment of the present application in which the first floor is located between the second floor and the middle floor. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0027] In this article, the term "comprising" is intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, the elements defined by the sentence "comprising..." do not exclude the presence of other identical elements in the process, method, article or device that includes the elements.

[0028] This embodiment provides an elevator vertical dispatching and energy-saving operation algorithm to improve the passenger efficiency of the elevator and reduce energy consumption. This algorithm not only considers the number and load of passengers inside the elevator car, but also comprehensively considers the waiting situation of passengers on each floor outside the hall and the running time and energy consumption of the elevator between different floors. Specifically, this algorithm first monitors the number of passengers and load conditions inside the elevator car in real time to determine the current load state of the elevator. Then, through sensors or other technical means, the number of passengers waiting outside the hall of each floor and their load requirements are obtained. These data are used by the algorithm to calculate the optimal elevator operation path and direction to maximize passenger efficiency while minimizing energy consumption. This algorithm also takes into account the time and energy consumption cost of the elevator moving between different floors. By analyzing the estimated arrival time and energy consumption of the elevator in different running directions, the decision algorithm can quickly respond to the passenger's call request and select the most effective running direction, thereby minimizing no-load or low-load operation and optimizing the overall performance of the elevator system.

[0029] The intelligent elevator running direction decision technology realized by this algorithm not only improves the operating efficiency and user experience of the elevator system, but also helps to reduce energy waste and operating costs, which meets the requirements of sustainable development of modern cities. By introducing this advanced algorithm, the elevator industry can actively respond to the social responsibility of energy conservation and emission reduction while improving service quality, and promote the progress of smart city construction.

[0030] The following is a detailed introduction to this algorithm.

[0031] The elevator vertical dispatching and energy-saving operation algorithm of this embodiment includes the following steps:

[0032] Determine the elevator rated power P, rated load m max , the elevator counterweight is m 对重 , the weight of the elevator car is m 轿厢 , the current load of the elevator is m cur ;

[0033] When the elevator is running, the load of the first passenger C1 in the car is defined as m1, and the target floor is the first floor F1; the load of the second passenger C2 who needs to take the elevator is defined as m2, the current floor is the current floor F3, and the target floor is the second floor F4; when the elevator runs to the middle floor F2, the second passenger C2 calls the elevator, and the middle floor F2 is between the first floor F1 and the current floor F3, m1+m2≤m max ;

[0034] Calculate the energy consumption E of each elevator operation, Among them, P(m cur ,t) is the power of the elevator each time it runs Wherein, up? 1:-1 means that when the elevator is running upward, the overall value of up? 1:-1 is 1, and when the elevator is running downward, the overall value of up? 1:-1 is -1; C is a constant with an initial value of 1, and is calculated by the following formula after the elevator runs N times:

[0035] After the second passenger C2 calls the elevator, the time consumption and energy consumption corresponding to the first operation mode and the second operation mode are calculated respectively; wherein the first operation mode is: the elevator first sends the first passenger C1 to the first floor F1, then arrives at the floor F3 to pick up the second passenger C2, and finally sends the second passenger C2 to the second floor F4; the second operation mode is: the elevator first arrives at the floor F3 to pick up the second passenger C2, and then sends the first passenger C1 and the second passenger C2 to the first floor F1 and the second floor F4 respectively;

[0036] The time consumption and energy consumption corresponding to the first operating mode are compared with the time consumption and energy consumption corresponding to the second operating mode respectively. When the time consumption and energy consumption corresponding to the second operating mode are both less than the time consumption and energy consumption corresponding to the first operating mode, the second operating mode is selected as the corresponding operating mode of the elevator. Otherwise, either the first operating mode or the second operating mode is selected as the corresponding operating mode of the elevator.

[0037] In the actual operation of the elevator, it is necessary to calculate the actual energy consumption and running time based on the distribution of floors. Figure 1 and 2 As shown, in different situations, the time consumption and energy consumption corresponding to the first operation mode and the second operation mode are different.

[0038] Specifically, when the second floor F4 is located between the first floor F1 and the middle floor F2, that is, Figure 1 The time and energy consumption corresponding to the first operating mode and the second operating mode are calculated by the following method:

[0039] Step A1: define t1 as the time for the elevator to run from the middle floor F2 to the first floor F1, and the energy consumption generated therein is E1, which is calculated by the calculation formula of energy consumption E; define t2 as the time for the elevator to run from the middle floor F2 to the floor F3, and the energy consumption generated therein is E2, which is calculated by the calculation formula of energy consumption E; define t3 as the time for the elevator to run from the floor F3 to the second floor F4, and the energy consumption generated therein is E3, which is calculated by the calculation formula of energy consumption E; define t4 as the time for the elevator to run from the second floor F4 to the first floor F1, and the energy consumption generated therein is E4, which is calculated by the calculation formula of energy consumption E; define t5 as the time for the elevator to run from the first floor F1 to the floor F3, and the energy consumption generated therein is E5, which is calculated by the calculation formula of energy consumption E;

[0040] Step A2: Calculate the time and energy consumption corresponding to the first operation mode, T1 = t1 + t5 + t3, E situation_1 =E1+E5+E3, where T1 is the time taken for the first operation mode, E situation_1 The energy consumption corresponding to the first operating mode at this time;

[0041] Step A3: Calculate the time and energy consumption corresponding to the second operation mode, T2 = t2 + t3 + t4, E situation_2 =E2+E3+E4, where T2 is the time taken for the first operation mode, E situation_2 The energy consumption corresponding to the first operating mode at this time;

[0042] Step A4: When T2<T1, it means that the running time of the second operation mode is less than that of the first operation mode, and the conditions are satisfied. When the second operation mode consumes less energy than the first operation mode, the second operation mode is selected as the corresponding operation mode of the elevator. Otherwise, either the first operation mode or the second operation mode is selected as the corresponding operation mode of the elevator. It should be noted that when selecting either the first operation mode or the second operation mode as the corresponding operation mode of the elevator, further judgment can be made based on common knowledge such as the total height of the building, which will not be elaborated in this text.

[0043] Specifically, when the first floor F1 is located between the second floor F4 and the middle floor F2, that is, Figure 2 The time and energy consumption corresponding to the first operating mode and the second operating mode are calculated by the following method:

[0044] Step B1: define t1' as the time when the elevator runs from the middle floor F2 to the first floor F1, and the energy consumption generated therein is E1', which is calculated by the calculation formula of energy consumption E; define t2' as the time when the elevator runs from the middle floor F2 to the floor F3, and the energy consumption generated therein is E2', which is calculated by the calculation formula of energy consumption E; define t3' as the time when the elevator runs from the floor F3 to the first floor F1, and the energy consumption generated therein is E3', which is calculated by the calculation formula of energy consumption E; define t4' as the time when the elevator runs from the first floor F1 to the second floor F4, and the energy consumption generated therein is E4', which is calculated by the calculation formula of energy consumption E; define t5' as the time when the elevator runs from the first floor F1 to the floor F3, and the energy consumption generated therein is E5', which is calculated by the calculation formula of energy consumption E;

[0045] Step B2: Calculate the time and energy consumption corresponding to the first operation mode, T1'=t1'+t5'+t3'+t4', E situation_1 '=E1'+E5'+E3'+E4', where T1' is the time consumption corresponding to the first operation mode at this time, E situation_1 ' is the energy consumption corresponding to the first operating mode at this time;

[0046] Step B3: Calculate the time and energy consumption corresponding to the second operation mode, T2'=t2'+t3'+t4', E situation_2 '=E2'+E3'+E4', where T2' is the time consumption corresponding to the first operation mode at this time, E situation_2 ' is the energy consumption corresponding to the first operating mode at this time;

[0047] Step B4: When T2'<T1', it means that the running time of the second running mode is shorter than that of the first running mode, and the following conditions are satisfied: When the second operation mode consumes less energy than the first operation mode, the second operation mode is selected as the corresponding operation mode of the elevator. Otherwise, either the first operation mode or the second operation mode is selected as the corresponding operation mode of the elevator. Similarly, when selecting either the first operation mode or the second operation mode as the corresponding operation mode of the elevator, further judgment can be made based on common knowledge such as the total height of the building, which will not be elaborated in this text.

[0048] Based on the above, the elevator vertical dispatching and energy-saving operation algorithm of this embodiment has the following advantages:

[0049] 1. Improve the passenger efficiency of elevators: By introducing an elevator operation decision algorithm, the elevator can flexibly adjust its running direction according to real-time passenger demand and floor conditions. This enables the elevator to pick up passengers more efficiently, including picking up passengers in the opposite direction, thereby maximizing passenger efficiency and reducing empty or lightly loaded operation.

[0050] 2. Reduce the energy consumption of elevator operation: By optimizing the operation path and direction, especially for elevators in an empty or lightly loaded state, the operation decision algorithm can reduce unnecessary energy consumption. By picking up passengers in the opposite direction, the elevator can avoid empty runs or reduce the number of empty runs, effectively reducing the overall energy consumption of the elevator system.

[0051] 3. Improve customer satisfaction: Especially for high-rise buildings, the elevator operation decision algorithm can significantly reduce the waiting time of passengers. Quickly respond to passengers' elevator needs, allowing passengers to reach their destination faster and more smoothly, improving customer satisfaction and travel experience.

[0052] In the embodiments provided in the present application, it should be understood that the embodiments described herein can be implemented in hardware, software, firmware, middleware, code or any appropriate combination thereof. For hardware implementation, the processor can be implemented in one or more of the following units: application specific integrated circuit ASIC, digital signal processor DSP, digital signal processing device DSPD, programmable logic device PLD, field programmable gate array FPGA, processor, controller, microcontroller, microprocessor, other electronic units designed to implement the functions described herein or their combination. For software implementation, part or all of the flow of the embodiment can be completed by instructing the relevant hardware through a computer program. When implemented, the above program can be stored in a computer-readable storage medium or transmitted as one or more instructions or codes on a computer-readable storage medium. Computer-readable storage media include computer storage media and communication media, wherein the communication medium includes any medium that is convenient for transmitting a computer program from one place to another. The storage medium can be any available medium that a computer can access. The computer-readable storage medium can include, but is not limited to, RAM, ROM, EEPROM, CD-ROM or other optical disk storage, disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store the desired program code in the form of an instruction or data structure and can be accessed by a computer.

[0053] Finally, it should be noted that the above are only preferred embodiments of the present application and are not intended to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An elevator vertical dispatching and energy-saving operation algorithm, characterized in that: The following steps are involved: Determine the elevator rated power P, rated load m max , the elevator counterweight is m 对重 , the weight of the elevator car is m 轿厢 , the current load of the elevator is m cur ; When the elevator is running, the load of the first passenger C1 in the car is defined as m1, and the target floor is the first floor F1; the load of the second passenger C2 who needs to take the elevator is defined as m2, the current floor is the current floor F3, and the target floor is the second floor F4; when the elevator runs to the intermediate floor F2, the second passenger C2 calls the elevator, and the intermediate floor F2 is between the first floor F1 and the current floor F3, m1+m2≤m max ; Calculate the energy consumption E of each elevator operation, Among them, P(m cur ,t) is the power of the elevator each time it runs Wherein, up? 1:-1 means that when the elevator is running upward, the overall value of up? 1:-1 is 1, and when the elevator is running downward, the overall value of up? 1:-1 is -1; C is a constant with an initial value of 1, and is calculated by the following formula after the elevator runs N times: After the second passenger C2 calls the elevator, the time consumption and energy consumption corresponding to the first operation mode and the second operation mode are calculated respectively; wherein the first operation mode is: the elevator first sends the first passenger C1 to the first floor F1, then arrives at the current floor F3 to pick up the second passenger C2, and finally sends the second passenger C2 to the second floor F4; the second operation mode is: the elevator first arrives at the current floor F3 to pick up the second passenger C2, and then sends the first passenger C1 and the second passenger C2 to the first floor F1 and the second floor F4 respectively; The time consumption and energy consumption corresponding to the first operating mode are compared with the time consumption and energy consumption corresponding to the second operating mode respectively; when the time consumption and energy consumption corresponding to the second operating mode are both less than the time consumption and energy consumption corresponding to the first operating mode, the second operating mode is selected as the corresponding operating mode of the elevator; otherwise, either the first operating mode or the second operating mode is selected as the corresponding operating mode of the elevator.

2. The elevator vertical dispatching and energy saving operation algorithm according to claim 1 is characterized in that: When the second floor F4 is located between the first floor F1 and the middle floor F2; The time and energy consumption corresponding to the first and second operation modes are calculated by: Step A1: define t1 as the time when the elevator runs from the middle floor F2 to the first floor F1, and the energy consumption generated therein is E1, which is calculated by the calculation formula of the energy consumption E; define t2 as the time when the elevator runs from the middle floor F2 to the current floor F3, and the energy consumption generated therein is E2, which is calculated by the calculation formula of the energy consumption E; define t3 as the time when the elevator runs from the current floor F3 to the second floor F4, and the energy consumption generated therein is E3, which is calculated by the calculation formula of the energy consumption E; define t4 as the time when the elevator runs from the second floor F4 to the first floor F1, and the energy consumption generated therein is E4, which is calculated by the calculation formula of the energy consumption E; define t5 as the time when the elevator runs from the first floor F1 to the current floor F3, and the energy consumption generated therein is E5, which is calculated by the calculation formula of the energy consumption E; Step A2: Calculate the time and energy consumption corresponding to the first operation mode, T1 = t1 + t5 + t3, E situation_1 =E1+E5+E3, where T1 is the time taken for the first operation mode at this time, E situation_1 The energy consumption corresponding to the first operation mode at this time; Step A3: Calculate the time and energy consumption corresponding to the second operation mode, T2 = t2 + t3 + t4, E situation_2 =E2+E3+E4, where T2 is the time taken for the first operation mode at this time, E situation_2 The energy consumption corresponding to the first operation mode at this time; Step A4: When T2<T1, and satisfies When the elevator is in a state of emergency, the second operation mode is selected as the corresponding operation mode of the elevator; otherwise, either the first operation mode or the second operation mode is selected as the corresponding operation mode of the elevator.

3. The elevator vertical dispatching and energy-saving operation algorithm according to claim 1 is characterized in that: When the first floor F1 is located between the second floor F4 and the middle floor F2; The time and energy consumption corresponding to the first and second operation modes are calculated by: Step B1: define t1' as the time when the elevator runs from the middle floor F2 to the first floor F1, and the energy consumption generated therein is E1', which is calculated by the calculation formula of the energy consumption E; define t2' as the time when the elevator runs from the middle floor F2 to the current floor F3, and the energy consumption generated therein is E2', which is calculated by the calculation formula of the energy consumption E; define t3' as the time when the elevator runs from the current floor F3 to the first floor F1, and the energy consumption generated therein is E3', which is calculated by the calculation formula of the energy consumption E; define t4' as the time when the elevator runs from the first floor F1 to the second floor F4, and the energy consumption generated therein is E4', which is calculated by the calculation formula of the energy consumption E; define t5' as the time when the elevator runs from the first floor F1 to the current floor F3, and the energy consumption generated therein is E5', which is calculated by the calculation formula of the energy consumption E; Step B2: Calculate the time and energy consumption corresponding to the first operation mode, T1'=t1'+t5'+t3'+t4', E situation_1 '=E1'+E5'+E3'+E4', where T1' is the time consumption corresponding to the first operation mode at this time, E situation_1 ' is the energy consumption corresponding to the first operating mode at this time; Step B3: Calculate the time and energy consumption corresponding to the second operation mode, T2'=t2'+t3'+t4', E situation_2 '=E2'+E3'+E4', where T2' is the time consumption corresponding to the first operation mode at this time, E situation_2 ' is the energy consumption corresponding to the first operating mode at this time; Step B4: When T2'<T1', and satisfy: When the elevator is in a state of emergency, the second operation mode is selected as the corresponding operation mode of the elevator; otherwise, either the first operation mode or the second operation mode is selected as the corresponding operation mode of the elevator.

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