CN114560362A - Method, apparatus, medium, and device for accurately calculating operating speed of elevator car - Google Patents
Method, apparatus, medium, and device for accurately calculating operating speed of elevator car Download PDFInfo
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- CN114560362A CN114560362A CN202210258539.1A CN202210258539A CN114560362A CN 114560362 A CN114560362 A CN 114560362A CN 202210258539 A CN202210258539 A CN 202210258539A CN 114560362 A CN114560362 A CN 114560362A
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- 230000001133 acceleration Effects 0.000 claims description 100
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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
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
- B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
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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
- B66B1/3476—Load weighing or car passenger counting devices
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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
- B66B1/3492—Position or motion detectors or driving means for the detector
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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 present disclosure relates to a method, apparatus, medium, and device for accurately calculating an operating speed of an elevator car. The method comprises the following steps: acquiring initial load capacity before the elevator car stops and the maximum running speed before the elevator car stops; determining load variation according to the initial load capacity and the load capacity after the elevator car stops; determining a running speed change weight value of the elevator car according to the interval duration of the current time point and the hot spot use time period, the maximum running speed before stopping and the load variation; determining a speed slope according to the running speed change weight value and the maximum running speed before stopping; calculating the floor difference of the current operation of the elevator car according to the stopping floor of the current stopping of the elevator car and the calling floor closest to the stopping floor; and determining the operation parameters of the elevator car in the current operation according to the floor difference, the floor height corresponding to the floor difference and the speed slope, and controlling the elevator car to operate according to the operation parameters. The running speed control rationality of the elevator is improved.
Description
Technical Field
The present disclosure relates to elevator technologies, and in particular, to a method, an apparatus, a medium, and a device for accurately calculating an operating speed of an elevator car.
Background
With the development of socio-economy, the pace of life and work is increasing, and people want more time to use in work, study and life, rather than in an urgent waiting elevator. Therefore, not only is there an ever increasing number of elevators, but there is also an ever increasing improvement in elevator operation control.
In the related art, the elevator running speed is mainly controlled on the basis of inter-floor running time, on the basis of relative distance running, on the basis of absolute distance running, and the like. However, no matter what kind of indexes are used as the principle, the rated running speed is used as the standard, the most reasonable running speed is not selected according to the passenger flow condition, the potential conveying capacity of the elevator cannot be fully exerted, and the conveying efficiency is reduced. Moreover, when the elevator runs at a high speed, passengers easily miss the elevator, so that the waiting time of the passengers is increased, and energy is further wasted and elevator parts are abraded.
Disclosure of Invention
Based on this, it is necessary to provide a method, apparatus, medium, and device for accurately calculating the operation speed of an elevator car in response to the problem of unreasonable control of the operation speed of an elevator.
In a first aspect of the present disclosure, a method for accurately calculating an operating speed of an elevator car is provided, the method comprising:
acquiring the initial load capacity of the elevator car before stopping and the maximum running speed of the elevator car before stopping;
determining load variation according to the initial load capacity and the load capacity after the elevator car stops;
determining a running speed change weight value of the elevator car according to the interval duration of the current time point and the hot spot use time period, the maximum running speed before stopping and the load variation;
determining a speed slope according to at least the running speed change weight value and the maximum running speed before stopping;
calculating the floor difference of the current operation of the elevator car according to the stopping floor of the current stop of the elevator car and the calling floor closest to the stopping floor; wherein the calling floor is a floor in the current running direction of the elevator car;
and determining the operation parameters of the elevator car in the current operation according to the floor difference, the floor height corresponding to the floor difference and the speed slope, and controlling the elevator car to operate according to the operation parameters.
In one embodiment, the operating parameters include: the maximum running speed, the running time length of the maximum running speed, the acceleration of each level in multi-level acceleration, the acceleration time length corresponding to each acceleration level, the deceleration of each level in multi-level deceleration and the deceleration time length corresponding to each deceleration level.
In one embodiment, the step of determining the operation parameter of the current operation of the elevator car according to the floor difference, the floor height corresponding to the floor difference, and the speed slope includes:
determining the number of stages of the multistage acceleration and the multistage deceleration according to the floor height corresponding to the floor difference;
determining the maximum running speed of the elevator car in the current running according to the floor difference, the floor height corresponding to the floor difference and the speed slope;
according to the maximum running speed, the speed slope, the multi-stage acceleration and the stage number of the multi-stage deceleration, determining the acceleration of each acceleration stage in the multi-stage acceleration and the acceleration duration corresponding to each acceleration stage, the deceleration of each deceleration stage in the multi-stage deceleration and the deceleration duration corresponding to each deceleration stage;
and determining the operation duration of the maximum operation speed according to the acceleration of each acceleration stage, the acceleration duration corresponding to each acceleration stage, the deceleration of each deceleration stage, the deceleration duration corresponding to each deceleration stage, the maximum operation speed and the floor height corresponding to the floor difference.
In one embodiment, prior to the step of controlling operation of the elevator car based on the operating parameter, the method includes:
determining that the maximum running speed is less than or equal to a preset rated running speed of the elevator car;
the method further comprises the following steps:
under the condition that the maximum running speed is determined to be larger than the preset rated running speed of the elevator car, taking the rated running speed as the maximum running speed of the current running;
and under the condition that the number of stages of the multi-stage acceleration, the number of stages of the multi-stage deceleration, the acceleration of each acceleration stage and the deceleration of each deceleration stage are kept unchanged, shortening the acceleration time length corresponding to each acceleration stage and shortening the deceleration time length corresponding to each deceleration stage, so that the running time length according to the rated running speed is increased under the condition that the maximum running speed is reduced.
In one embodiment, the step of determining a running speed change weight value of the elevator car according to an interval duration between a current time point and a hot spot use time period, a maximum running speed before stopping, and the load change amount includes:
determining a first interval duration from a current time point to a last hot spot use time period and a second interval duration from a next future hot spot use time period, wherein the interval durations comprise the first interval duration and the second interval duration;
calculating the sum of the interval duration of the first interval duration and the second interval duration;
determining a weight coefficient of the elevator car according to the ratio of the larger one of the first interval duration and the second interval duration to the sum of the interval durations;
and taking the product of the load variation, the maximum running speed before stopping and the weight coefficient as a running speed variation weight value of the elevator car.
In one embodiment, the method comprises:
determining whether the calling floor is a hot spot floor or not according to the calling time point, the calling frequency and the total calling times of each calling floor;
determining the number of hot spot floors in the current running direction of the elevator car;
the step of determining a speed slope based at least on the operating speed change weight value and the maximum operating speed before landing comprises:
and determining a speed slope according to the number of the hot spot floors, the running speed change weight value and the maximum running speed before stopping.
In one embodiment, the step of determining a speed slope according to the number of hot spot floors, the running speed change weight value and the maximum running speed before the stop includes:
according to the number of the hot spot floors, segmenting the maximum running speed before stopping;
calculating the product of the running speed change weight value and the speed average value in each running speed segment;
and fitting the products corresponding to the operation speed sections based on a least square method to obtain the speed slope.
In a second aspect of the present disclosure, there is provided an apparatus for accurately calculating a traveling speed of an elevator car, the apparatus comprising:
an obtaining module configured to obtain an initial load capacity before the elevator car stops and a maximum running speed before the elevator car stops;
a first determining module configured to determine a load change amount according to the initial load capacity and the load capacity of the elevator car after the stop;
the second determining module is configured to determine a running speed change weight value of the elevator car according to an interval duration from a hot spot use time period at a current time point, the maximum running speed before stopping and the load change amount;
a third determination module configured to determine a speed slope based at least on the running speed change weight value and the maximum running speed before the stop;
the calculation module is configured to calculate the floor difference of the current operation of the elevator car according to the stopping floor at which the elevator car stops currently and the calling floor closest to the stopping floor; wherein the calling floor is a floor in the current running direction of the elevator car;
and the fourth determining module is configured to determine the operation parameters of the current operation of the elevator car according to the floor difference, the floor height corresponding to the floor difference and the speed slope, and control the operation of the elevator car according to the operation parameters.
In one embodiment, the operating parameters include: the maximum running speed, the running time length of the maximum running speed, the acceleration of each level in multi-level acceleration, the acceleration time length corresponding to each acceleration level, the deceleration of each level in multi-level deceleration and the deceleration time length corresponding to each deceleration level.
In one embodiment, the fourth determining module is configured to:
determining the multistage acceleration and the multistage deceleration stage number according to the floor height corresponding to the floor difference;
determining the maximum running speed of the elevator car in the current running according to the floor difference, the floor height corresponding to the floor difference and the speed slope;
according to the maximum running speed, the speed slope, the multi-stage acceleration and the stage number of the multi-stage deceleration, determining the acceleration of each acceleration stage in the multi-stage acceleration and the acceleration duration corresponding to each acceleration stage, the deceleration of each deceleration stage in the multi-stage deceleration and the deceleration duration corresponding to each deceleration stage;
and determining the operation duration of the maximum operation speed according to the acceleration of each acceleration stage, the acceleration duration corresponding to each acceleration stage, the deceleration of each deceleration stage, the deceleration duration corresponding to each deceleration stage, the maximum operation speed and the floor height corresponding to the floor difference.
In one embodiment, the apparatus includes a shortening module configured to determine that the maximum operating speed is less than or equal to a preset nominal operating speed of the elevator car before the step of controlling operation of the elevator car according to the operating parameter;
under the condition that the maximum running speed is determined to be larger than the preset rated running speed of the elevator car, taking the rated running speed as the maximum running speed of the current running;
and under the condition that the number of the multistage acceleration stages, the number of the multistage deceleration stages, the acceleration of each acceleration stage and the deceleration of each deceleration stage are kept unchanged, shortening the acceleration duration corresponding to each acceleration stage and shortening the deceleration duration corresponding to each deceleration stage, so that the operation duration according to the rated operation speed is increased under the condition that the maximum operation speed is reduced.
In one embodiment, the second determining module is configured to:
determining a first interval duration from a current time point to a previous hot spot use time period and a second interval duration from a next future hot spot use time period, wherein the interval durations comprise the first interval duration and the second interval duration;
calculating the sum of the interval durations of the first interval duration and the second interval duration;
determining a weight coefficient of the elevator car according to the ratio of the larger one of the first interval duration and the second interval duration to the sum of the interval durations;
and taking the product of the load variation, the maximum running speed before stopping and the weight coefficient as a running speed variation weight value of the elevator car.
In one embodiment, the device comprises a quantity determining module, a call processing module and a call processing module, wherein the quantity determining module is configured to determine whether the call floor is a hotspot floor according to the call time point, the call frequency and the total number of calls of each call floor; and the number of the first and second electrodes,
determining the number of the hot floors in the current running direction of the elevator car;
the third determination module is configured to determine a speed slope according to the number of hot spot floors, the running speed change weight value, and the maximum running speed before the stop.
In one embodiment, the third determining module is configured to:
according to the number of the hot spot floors, segmenting the maximum running speed before stopping;
calculating the product of the running speed change weight value and the speed average value in each running speed segment;
and fitting the products corresponding to the operation speed sections based on a least square method to obtain the speed slope.
In a third aspect of the disclosure, a computer-readable storage medium is provided, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of the first aspect.
In a fourth aspect of the present disclosure, an electronic device is provided, including:
a memory having a computer program stored thereon;
a processor for executing the computer program in the memory to perform the steps of the method of accurately calculating an elevator car travel speed of any of the first aspects.
The method for accurately calculating the running speed of the elevator car obtains the initial load capacity before the elevator car stops and the maximum running speed before the elevator car stops; determining load variation according to the initial load capacity and the load capacity after the elevator car stops; determining a running speed change weight value of the elevator car according to the interval duration of the current time point and the hot spot use time period, the maximum running speed before stopping and the load variation; determining a speed slope according to the running speed change weight value and the maximum running speed before stopping; calculating the floor difference of the current operation of the elevator car according to the stopping floor of the current stopping of the elevator car and the calling floor closest to the stopping floor; and determining the operation parameters of the elevator car in the current operation according to the floor difference, the floor height corresponding to the floor difference and the speed slope, and controlling the elevator car to operate according to the operation parameters. The accuracy of calculating the running speed of the elevator car is improved, and the running speed control rationality of the elevator is further improved.
Drawings
Fig. 1 is a flow chart of a method of accurately calculating an operating speed of an elevator car in one embodiment.
FIG. 2 is a flowchart of implementing step S16 in FIG. 1, according to one embodiment.
Fig. 3 is a block diagram of an apparatus for accurately calculating the operating speed of an elevator car according to one embodiment.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present disclosure more comprehensible, embodiments accompanying the present disclosure are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure. This disclosure may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Fig. 1 is a flowchart of a method for accurately calculating an operating speed of an elevator car, applied to an elevator car controller, according to one embodiment, as shown in fig. 1, the method including the steps of:
in step S11, the initial load capacity of the elevator car before stopping and the maximum traveling speed of the elevator car before stopping are obtained.
In the embodiment of the disclosure, the initial load capacity before stopping can be obtained through the weight sensor arranged on the elevator car, and the maximum running speed before stopping of the elevator car can be obtained when the elevator car starts to decelerate before stopping.
In step S12, the load change amount is determined from the initial load capacity and the load capacity after the stop of the elevator car.
In the embodiment of the disclosure, the load capacity of the elevator car after the stop is obtained in real time according to the load capacity acquired by the weight sensor, and the difference value between the stopped load capacity and the initial load capacity is calculated to obtain the load variation. It is understood that the load variation includes a load increase variation and a load decrease variation.
In step S13, a running speed change weight value of the elevator car is determined according to an interval duration from a hot spot use time period at a current time point, the maximum running speed before stopping, and the load change amount.
In step S14, a speed slope is determined based at least on the operating speed change weight value and the maximum operating speed before the stop.
In step S15, the floor difference of the current run of the elevator car is calculated from the stop floor at which the elevator car is currently stopped and the call floor closest to the stop floor.
Wherein the call floor is a floor in the current running direction of the elevator car.
In step S16, determining an operation parameter of the elevator car in the current operation according to the floor difference, the floor height corresponding to the floor difference, and the speed slope, and controlling the elevator car to operate according to the operation parameter.
According to the technical scheme, the initial load capacity of the elevator car before stopping and the maximum running speed of the elevator car before stopping are obtained; determining load variation according to the initial load capacity and the load capacity after the elevator car stops; determining a running speed change weight value of the elevator car according to the interval duration of the current time point and the hot spot use time period, the maximum running speed before stopping and the load variation; determining a speed slope according to the running speed change weight value and the maximum running speed before stopping; calculating the floor difference of the current operation of the elevator car according to the stopping floor of the current stopping of the elevator car and the calling floor closest to the stopping floor; and determining the operation parameters of the elevator car in the current operation according to the floor difference, the floor height corresponding to the floor difference and the speed slope, and controlling the elevator car to operate according to the operation parameters. The accuracy of calculating the running speed of the elevator car is improved, and the running speed control rationality of the elevator is further improved.
In one embodiment, the operating parameters include: the maximum running speed, the running time length of the maximum running speed, the acceleration of each level in multi-level acceleration, the acceleration time length corresponding to each acceleration level, the deceleration of each level in multi-level deceleration and the deceleration time length corresponding to each deceleration level.
In one embodiment, fig. 2 is a flowchart of implementing step S16 in fig. 1 according to one embodiment, and in step S16, the step of determining the operation parameters of the current operation of the elevator car according to the floor difference, the floor height corresponding to the floor difference, and the speed slope includes the following steps:
in step S161, determining the number of stages of the multistage acceleration and the multistage deceleration from the floor height corresponding to the floor difference;
in step S162, determining the maximum operating speed of the elevator car in the current operation according to the floor difference, the floor height corresponding to the floor difference, and the speed slope;
in step S163, determining an acceleration of each acceleration stage in the multi-stage acceleration and an acceleration duration corresponding to each acceleration stage, a deceleration of each deceleration stage in the multi-stage deceleration and a deceleration duration corresponding to each deceleration stage according to the maximum operating speed, the speed slope, the multi-stage acceleration, and the number of stages of the multi-stage deceleration;
in step S164, the operation duration of the maximum operation speed is determined according to the acceleration of each acceleration stage and the acceleration duration corresponding to each acceleration stage, the deceleration of each deceleration stage and the deceleration duration corresponding to each deceleration stage, the maximum operation speed, and the floor height corresponding to the floor difference.
In one embodiment, prior to the step of controlling operation of the elevator car based on the operating parameter, the method includes:
determining that the maximum running speed is less than or equal to a preset rated running speed of the elevator car;
the method further comprises the following steps:
under the condition that the maximum running speed is determined to be larger than the preset rated running speed of the elevator car, taking the rated running speed as the maximum running speed of the current running;
and under the condition that the number of the multistage acceleration stages, the number of the multistage deceleration stages, the acceleration of each acceleration stage and the deceleration of each deceleration stage are kept unchanged, shortening the acceleration duration corresponding to each acceleration stage and shortening the deceleration duration corresponding to each deceleration stage, so that the operation duration according to the rated operation speed is increased under the condition that the maximum operation speed is reduced.
In one embodiment, in step S13, the step of determining a running speed change weight value of the elevator car according to an interval duration from a hot spot use time period at the current time point, the maximum running speed before stopping, and the load change amount includes:
determining a first interval duration from a current time point to a previous hot spot use time period and a second interval duration from a next future hot spot use time period, wherein the interval durations comprise the first interval duration and the second interval duration;
calculating the sum of the interval duration of the first interval duration and the second interval duration;
determining a weight coefficient of the elevator car according to the ratio of the larger one of the first interval duration and the second interval duration to the sum of the interval durations;
and taking the product of the load variation, the maximum running speed before stopping and the weight coefficient as a running speed variation weight value of the elevator car.
In one embodiment, the method comprises:
determining whether the calling floor is a hot spot floor or not according to the calling time point, the calling frequency and the total calling times of each calling floor;
determining the number of hot spot floors in the current running direction of the elevator car;
the step of determining a speed slope based at least on the operating speed change weight value and the maximum operating speed before landing comprises:
and determining a speed slope according to the number of the hot spot floors, the running speed change weight value and the maximum running speed before stopping.
In one embodiment, the step of determining a speed slope according to the number of hot spot floors, the running speed change weight value and the maximum running speed before the stop includes:
according to the number of the hot spot floors, segmenting the maximum running speed before stopping;
calculating the product of the running speed change weight value and the speed average value in each running speed segment;
and fitting the products corresponding to the operation speed sections based on a least square method to obtain the speed slope.
Based on the same inventive concept, the present disclosure also provides an apparatus for accurately calculating an operating speed of an elevator car, and fig. 3 is a block diagram of the apparatus for accurately calculating an operating speed of an elevator car according to one embodiment, as shown in fig. 3, the apparatus 300 includes:
an obtaining module 310 configured to obtain an initial load capacity before a stop of the elevator car and a maximum running speed before the stop;
a first determining module 320 configured to determine a load change amount according to the initial load capacity and the load capacity of the elevator car after stopping;
a second determining module 330 configured to determine a running speed change weight value of the elevator car according to an interval duration from a hot spot use time period at a current time point, the maximum running speed before stopping, and the load change amount;
a third determination module 340 configured to determine a speed slope based at least on the running speed change weight value and the maximum running speed before the stop;
the calculation module 350 is configured to calculate a floor difference of the current operation of the elevator car according to a stopping floor at which the elevator car currently stops and a calling floor closest to the stopping floor; wherein the calling floor is a floor in the current running direction of the elevator car;
the fourth determining module 360 is configured to determine an operation parameter of the elevator car in the current operation according to the floor difference, the floor height corresponding to the floor difference, and the speed slope, and control the elevator car to operate according to the operation parameter.
In one embodiment, the operating parameters include: the maximum running speed, the running time length of the maximum running speed, the acceleration of each level in multi-level acceleration, the acceleration time length corresponding to each acceleration level, the deceleration of each level in multi-level deceleration and the deceleration time length corresponding to each deceleration level.
In one embodiment, the fourth determining module 360 is configured to:
determining the number of stages of the multistage acceleration and the multistage deceleration according to the floor height corresponding to the floor difference;
determining the maximum running speed of the elevator car in the current running according to the floor difference, the floor height corresponding to the floor difference and the speed slope;
according to the maximum running speed, the speed slope, the multi-stage acceleration and the stage number of the multi-stage deceleration, determining the acceleration of each acceleration stage in the multi-stage acceleration and the acceleration duration corresponding to each acceleration stage, the deceleration of each deceleration stage in the multi-stage deceleration and the deceleration duration corresponding to each deceleration stage;
and determining the operation duration of the maximum operation speed according to the acceleration of each acceleration stage, the acceleration duration corresponding to each acceleration stage, the deceleration of each deceleration stage, the deceleration duration corresponding to each deceleration stage, the maximum operation speed and the floor height corresponding to the floor difference.
In one embodiment, the apparatus includes a shortening module configured to determine that the maximum operating speed is less than or equal to a preset nominal operating speed of the elevator car before the step of controlling operation of the elevator car according to the operating parameter;
under the condition that the maximum running speed is determined to be larger than the preset rated running speed of the elevator car, taking the rated running speed as the maximum running speed of the current running;
and under the condition that the number of stages of the multi-stage acceleration, the number of stages of the multi-stage deceleration, the acceleration of each acceleration stage and the deceleration of each deceleration stage are kept unchanged, shortening the acceleration time length corresponding to each acceleration stage and shortening the deceleration time length corresponding to each deceleration stage, so that the running time length according to the rated running speed is increased under the condition that the maximum running speed is reduced.
In one embodiment, the second determining module 330 is configured to:
determining a first interval duration from a current time point to a previous hot spot use time period and a second interval duration from a next future hot spot use time period, wherein the interval durations comprise the first interval duration and the second interval duration;
calculating the sum of the interval duration of the first interval duration and the second interval duration;
determining a weight coefficient of the elevator car according to the ratio of the larger one of the first interval duration and the second interval duration to the sum of the interval durations;
and taking the product of the load variation, the maximum running speed before stopping and the weight coefficient as a running speed variation weight value of the elevator car.
In one embodiment, the device comprises a quantity determining module, a call processing module and a call processing module, wherein the quantity determining module is configured to determine whether the call floor is a hotspot floor according to the call time point, the call frequency and the total number of calls of each call floor; and the number of the first and second antennas is increased,
determining the number of hot spot floors in the current running direction of the elevator car;
the third determining module 340 is configured to determine a speed slope according to the number of hot spot floors, the running speed change weight value, and the maximum running speed before the stop.
In one embodiment, the third determining module 340 is configured to:
according to the number of the hot spot floors, segmenting the maximum running speed before stopping;
calculating the product of the running speed change weight value and the speed average value in each running speed segment;
and fitting the products corresponding to the operation speed sections based on a least square method to obtain the speed slope.
The disclosed embodiments also provide a computer readable storage medium having a computer program stored thereon, which when executed by a processor, performs the steps of any of the aforementioned methods for accurately calculating the operating speed of an elevator car.
An embodiment of the present disclosure further provides an electronic device, including:
a memory having a computer program stored thereon;
a processor for executing the computer program in the memory to perform the steps of any of the foregoing methods for accurately calculating elevator car travel speed.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several implementation modes of the present disclosure, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the patent disclosure. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the concept of the present disclosure, and these changes and modifications are all within the scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the appended claims.
Claims (10)
1. A method of accurately calculating an operating speed of an elevator car, the method comprising:
acquiring the initial load capacity of the elevator car before stopping and the maximum running speed of the elevator car before stopping;
determining load variation according to the initial load capacity and the load capacity of the stopped elevator car;
determining a running speed change weight value of the elevator car according to the interval duration of the current time point and the hot spot use time period, the maximum running speed before stopping and the load variation;
determining a speed slope according to at least the running speed change weight value and the maximum running speed before parking;
calculating the floor difference of the current operation of the elevator car according to the stopping floor of the current stop of the elevator car and the calling floor closest to the stopping floor; wherein the calling floor is a floor in the current running direction of the elevator car;
and determining the operation parameters of the elevator car in the current operation according to the floor difference, the floor height corresponding to the floor difference and the speed slope, and controlling the elevator car to operate according to the operation parameters.
2. The method of claim 1, wherein the operating parameters comprise: the maximum running speed, the running time length of the maximum running speed, the acceleration of each level in multi-level acceleration, the acceleration time length corresponding to each acceleration level, the deceleration of each level in multi-level deceleration and the deceleration time length corresponding to each deceleration level.
3. The method of claim 2, wherein the step of determining the operation parameters of the current operation of the elevator car according to the floor difference, the floor height corresponding to the floor difference and the speed slope comprises:
determining the number of stages of the multistage acceleration and the multistage deceleration according to the floor height corresponding to the floor difference;
determining the maximum running speed of the elevator car in the current running according to the floor difference, the floor height corresponding to the floor difference and the speed slope;
according to the maximum running speed, the speed slope, the multi-stage acceleration and the stage number of the multi-stage deceleration, determining the acceleration of each acceleration stage in the multi-stage acceleration and the acceleration duration corresponding to each acceleration stage, the deceleration of each deceleration stage in the multi-stage deceleration and the deceleration duration corresponding to each deceleration stage;
and determining the operation time length of the maximum operation speed according to the acceleration of each acceleration stage, the acceleration time length corresponding to each acceleration stage, the deceleration of each deceleration stage, the deceleration time length corresponding to each deceleration stage, the maximum operation speed and the floor height corresponding to the floor difference.
4. The method of claim 3, wherein prior to the step of controlling operation of the elevator car based on the operating parameter, the method comprises:
determining that the maximum running speed is less than or equal to a preset rated running speed of the elevator car;
the method further comprises the following steps:
under the condition that the maximum running speed is determined to be larger than the preset rated running speed of the elevator car, taking the rated running speed as the maximum running speed of the current running;
and under the condition that the number of the multistage acceleration stages, the number of the multistage deceleration stages, the acceleration of each acceleration stage and the deceleration of each deceleration stage are kept unchanged, shortening the acceleration duration corresponding to each acceleration stage and shortening the deceleration duration corresponding to each deceleration stage, so that the operation duration according to the rated operation speed is increased under the condition that the maximum operation speed is reduced.
5. The method of claim 1, wherein the step of determining a running speed change weight value of the elevator car according to an interval duration from a hot spot use time period at a current time point, a maximum running speed before stopping, and the load variation amount comprises:
determining a first interval duration from a current time point to a last hot spot use time period and a second interval duration from a next future hot spot use time period, wherein the interval durations comprise the first interval duration and the second interval duration;
calculating the sum of the interval duration of the first interval duration and the second interval duration;
determining a weight coefficient of the elevator car according to the ratio of the larger one of the first interval duration and the second interval duration to the sum of the interval durations;
and taking the product of the load variation, the maximum running speed before stopping and the weight coefficient as a running speed variation weight value of the elevator car.
6. The method according to any one of claims 1-5, characterized in that the method comprises:
determining whether the calling floor is a hot spot floor or not according to the calling time point, the calling frequency and the total calling times of each calling floor;
determining the number of hot spot floors in the current running direction of the elevator car;
the step of determining a speed slope based at least on the operating speed change weight value and the maximum operating speed before landing comprises:
and determining a speed slope according to the number of the hot spot floors, the running speed change weight value and the maximum running speed before stopping.
7. The method of claim 6, wherein the step of determining a speed slope based on at least the number of hotspot floors, the run speed change weight value, and the maximum run speed prior to the stop comprises:
according to the number of the hot spot floors, segmenting the maximum running speed before stopping;
calculating the product of the running speed change weight value and the speed average value in each running speed segment;
and fitting the products corresponding to the operation speed sections based on a least square method to obtain the speed slope.
8. An apparatus for accurately calculating an operating speed of an elevator car, the apparatus comprising:
an obtaining module configured to obtain an initial load capacity of the elevator car before stopping and a maximum running speed of the elevator car before stopping;
a first determining module configured to determine a load change amount according to the initial load capacity and the load capacity of the elevator car after the stop;
a second determining module configured to determine a running speed change weight value of the elevator car according to an interval duration of a current time point from a hot spot use time period, the maximum running speed before stopping and the load change amount;
a third determination module configured to determine a speed slope based at least on the running speed change weight value and the maximum running speed before the stop;
the calculation module is configured to calculate the floor difference of the current operation of the elevator car according to the stopping floor at which the elevator car stops currently and the calling floor closest to the stopping floor; wherein the calling floor is a floor in the current running direction of the elevator car;
and the fourth determining module is configured to determine the operation parameters of the current operation of the elevator car according to the floor difference, the floor height corresponding to the floor difference and the speed slope, and control the operation of the elevator car according to the operation parameters.
9. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
10. An electronic device, comprising:
a memory having a computer program stored thereon;
a processor for executing said computer program in said memory to carry out the steps of the method of accurately calculating the speed of travel of an elevator car according to any of claims 1 to 7.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115402891A (en) * | 2022-07-28 | 2022-11-29 | 中国电信股份有限公司 | Control method and device for elevator group, electronic equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59108675A (en) * | 1982-12-02 | 1984-06-23 | インヴェンツィオ・アクチェンゲゼルシャフト | Method and device for generating speed pattern of elevator |
| WO2007039927A1 (en) * | 2005-09-30 | 2007-04-12 | Mitsubishi Denki Kabushiki Kaisha | Control device for elevator |
| CN103253562A (en) * | 2012-02-17 | 2013-08-21 | 上海三菱电梯有限公司 | Elevator and control method thereof |
| CN108483155A (en) * | 2018-04-10 | 2018-09-04 | 深圳市零度智控科技有限公司 | Elevator operation control system, implementation method and background server, storage medium |
| CN109534118A (en) * | 2018-11-05 | 2019-03-29 | 永大电梯设备（中国）有限公司 | A kind of Intelligentized control method of elevator speed |
-
2022
- 2022-03-16 CN CN202210258539.1A patent/CN114560362B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59108675A (en) * | 1982-12-02 | 1984-06-23 | インヴェンツィオ・アクチェンゲゼルシャフト | Method and device for generating speed pattern of elevator |
| WO2007039927A1 (en) * | 2005-09-30 | 2007-04-12 | Mitsubishi Denki Kabushiki Kaisha | Control device for elevator |
| CN103253562A (en) * | 2012-02-17 | 2013-08-21 | 上海三菱电梯有限公司 | Elevator and control method thereof |
| CN108483155A (en) * | 2018-04-10 | 2018-09-04 | 深圳市零度智控科技有限公司 | Elevator operation control system, implementation method and background server, storage medium |
| CN109534118A (en) * | 2018-11-05 | 2019-03-29 | 永大电梯设备（中国）有限公司 | A kind of Intelligentized control method of elevator speed |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115402891A (en) * | 2022-07-28 | 2022-11-29 | 中国电信股份有限公司 | Control method and device for elevator group, electronic equipment and storage medium |
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