CN116443068A - Subway train stopping method and device - Google Patents
Subway train stopping method and device Download PDFInfo
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- CN116443068A CN116443068A CN202310678706.2A CN202310678706A CN116443068A CN 116443068 A CN116443068 A CN 116443068A CN 202310678706 A CN202310678706 A CN 202310678706A CN 116443068 A CN116443068 A CN 116443068A
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- 230000001932 seasonal effect Effects 0.000 claims description 19
- 238000013507 mapping Methods 0.000 claims description 14
- 238000012937 correction Methods 0.000 claims description 7
- 238000004590 computer program Methods 0.000 description 10
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- 238000012545 processing Methods 0.000 description 5
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/06—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of hydrostatic, hydrodynamic, or aerodynamic brakes
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The application discloses a subway train stopping method and device, and relates to the technical field of subways. The method comprises the following steps: acquiring the current season, the current temperature and the current humidity; determining a target parking strategy according to the current season, the current temperature and the current humidity; determining a target braking level and a corrected parking distance according to the target parking strategy; and controlling an air brake system to brake and park according to the target brake level and the corrected parking distance.
Description
Technical Field
The application relates to the technical field of subways, in particular to a subway train stopping method and device.
Background
When the subway train is in a low-speed driving stage before stopping, the subway train can be braked and stopped through the air brake system.
The air brake system belongs to a mechanical contact type brake system, and external factors such as seasons, humidity and temperature can influence the braking performance of the air brake system, namely, because of the influence of the external factors such as seasons, humidity and temperature, the response of the air brake system to a braking instruction can have larger deviation, so that when a subway train is parked by adopting a fixed parking strategy, the subway train can not be parked accurately, and the range of a platform door is exceeded after the subway train is parked, and the train door and the platform door cannot be opened.
Disclosure of Invention
The embodiment of the application provides a subway train stopping method and device, and mainly aims to improve the stopping precision of a subway train when the subway train is braked and stopped through an air brake system.
In order to solve the technical problems, the embodiment of the application provides the following technical scheme:
in a first aspect, the present application provides a subway train stopping method, including:
acquiring the current season, the current temperature and the current humidity;
determining a target parking strategy according to the current season, the current temperature and the current humidity;
determining a target braking level and a corrected parking distance according to the target parking strategy;
and controlling an air brake system to brake and park according to the target brake level and the corrected parking distance.
Optionally, the determining the target parking policy according to the current season, the current temperature and the current humidity includes:
matching the current season, the current temperature and the current humidity with a plurality of preset parking strategy switching conditions;
determining a preset parking strategy switching condition successfully matched as a target parking strategy switching condition;
and determining the parking strategy corresponding to the target parking strategy switching condition as the target parking strategy.
Optionally, the target parking strategy comprises a mapping relation between a brake level and a parking deceleration, a correction distance and an expected parking deceleration; the determining the target braking level and the corrected parking distance according to the target parking strategy comprises the following steps:
acquiring a preset parking distance;
determining the target braking level according to the expected parking deceleration and the mapping relation between the braking level and the parking deceleration;
and determining the corrected parking distance according to the corrected distance and the preset parking distance.
Optionally, the plurality of preset parking policy switching conditions and the parking policy corresponding to each preset parking policy switching condition are formulated according to the parking accuracy statistics result after the staff performs parking accuracy statistics on the subway train of the target subway line based on seasonal factors, temperature factors and humidity factors.
In a second aspect, the present application further provides a subway train stopping device, including:
the acquisition unit is used for acquiring the current season, the current temperature and the current humidity;
a first determining unit configured to determine a target parking policy according to the current season, the current temperature, and the current humidity;
the second determining unit is used for determining a target braking level and a corrected parking distance according to the target parking strategy;
and the control unit is used for controlling the air brake system to brake and park according to the target brake level and the corrected parking distance.
Optionally, the first determining unit is specifically configured to: matching the current season, the current temperature and the current humidity with a plurality of preset parking strategy switching conditions; determining a preset parking strategy switching condition successfully matched as a target parking strategy switching condition; and determining the parking strategy corresponding to the target parking strategy switching condition as the target parking strategy.
Optionally, the target parking strategy comprises a mapping relation between a brake level and a parking deceleration, a correction distance and an expected parking deceleration;
the second determining unit is specifically configured to: acquiring a preset parking distance; determining the target braking level according to the expected parking deceleration and the mapping relation between the braking level and the parking deceleration; and determining the corrected parking distance according to the corrected distance and the preset parking distance.
Optionally, the plurality of preset parking policy switching conditions and the parking policy corresponding to each preset parking policy switching condition are formulated according to the parking accuracy statistics result after the staff performs parking accuracy statistics on the subway train of the target subway line based on seasonal factors, temperature factors and humidity factors.
In a third aspect, an embodiment of the present application provides a storage medium, where the storage medium includes a stored program, and when the program runs, controls a device where the storage medium is located to execute the subway train stopping method according to the first aspect.
In a fourth aspect, embodiments of the present application provide a subway train stopping apparatus, the apparatus comprising a storage medium; and one or more processors coupled to the storage medium, the processors configured to execute the program instructions stored in the storage medium; and executing the subway train stopping method according to the first aspect when the program instructions run.
By means of the technical scheme, the technical scheme provided by the application has the following advantages:
after obtaining a current season, a current temperature and a current humidity, the automatic driving system determines a target parking strategy according to the current season, the current temperature and the current humidity, namely, selects a proper parking strategy (namely, a target parking strategy) from a plurality of preset parking strategies according to the current season, the current temperature and the current humidity, determines a target braking level and a corrected parking distance according to the target parking strategy, and finally controls the air braking system to brake and park according to the determined target braking level and the corrected parking distance. Because in this application, the staff carries out parking accuracy statistics to the subway train of target subway line based on seasonal factor, temperature factor and humidity factor in advance to confirm the influence of seasonal factor, temperature factor and humidity factor to the subway train parking accuracy of target subway line according to parking accuracy statistics result, thereby formulate a plurality of parking strategies that target subway line corresponds, when the autopilot system of deploying on the subway train of target subway line need stop through the air brake system, after the autopilot system selected suitable parking strategy according to current season, current temperature and current humidity, and stop through the braking of air brake system based on the parking strategy control that selects, thereby can effectively improve the subway train and stop the parking accuracy when stopping through the air brake system.
The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification in order to make the technical means of the present application more clearly understood, and in order to make the above-mentioned and other objects, features and advantages of the present application more clearly understood, the following detailed description of the present application will be given.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present application are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings, in which like reference numerals refer to similar or corresponding parts and in which:
fig. 1 shows a flow chart of a subway train stopping method provided by an embodiment of the application;
fig. 2 shows a block diagram of a subway train stopping device according to an embodiment of the present application.
Detailed Description
Exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
The embodiment of the application provides a subway train stopping method, which is specifically shown in fig. 1, and comprises the following steps:
101. and acquiring the current season, the current temperature and the current humidity.
In the embodiment of the present application, the execution subject in each step is an autopilot system deployed on a subway train in a target subway line.
In the embodiment of the application, when the automatic driving system needs to brake and park through the air brake system, the automatic driving system needs to acquire the current season, the current temperature and the current humidity at first so as to select corresponding parking strategies according to the current season, the current temperature and the current humidity later, and the air brake system is controlled to brake and park based on the selected parking strategies.
102. And determining a target parking strategy according to the current season, the current temperature and the current humidity.
The method comprises the steps that a worker carries out parking precision statistics on a subway train of a target subway line in advance based on seasonal factors, temperature factors and humidity factors, and determines the influence of the seasonal factors, the temperature factors and the humidity factors on the parking precision of the subway train of the target subway line according to parking precision statistics results, so that a plurality of parking strategies corresponding to the target subway line are formulated, and an automatic driving system can accurately control an air braking system to brake and park after selecting a proper parking strategy according to the current season, the current temperature and the current humidity.
In this embodiment of the present application, after obtaining the current season, the current temperature and the current humidity, the autopilot system may determine the target parking policy according to the current season, the current temperature and the current humidity, that is, select a suitable parking policy (i.e., the target parking policy) from a plurality of preset parking policies according to the current season, the current temperature and the current humidity.
In the practical application process, when a worker performs parking accuracy statistics on a subway train of a target subway line in advance based on seasonal factors, temperature factors, humidity factors and other related factors, and determines the influence of the seasonal factors, the temperature factors, the humidity factors and other related factors on the parking accuracy of the subway train of the target subway line according to parking accuracy statistics results, when a plurality of parking strategies corresponding to the target subway line are formulated, an automatic driving system needs to determine the target parking strategy according to the current season, the current temperature, the current humidity and the current other related information, wherein the embodiment of the application does not specifically limit what other related factors are, and the current other related information is information corresponding to other related factors at the current moment.
In the practical application process, a worker can also determine the influence of seasonal factors, temperature factors and humidity factors on the stopping precision of the subway train of the target subway line in advance according to working experience, so as to formulate a plurality of stopping strategies corresponding to the target subway line; the staff can also directly acquire a plurality of preset general parking strategies, and determine the plurality of general parking strategies as a plurality of parking strategies corresponding to the target subway line, wherein the plurality of general parking strategies are parking strategies which are formulated by the staff and are general for the plurality of subway lines.
103. And determining a target braking level and a corrected parking distance according to the target parking strategy.
The target braking level is a braking level which is needed to be adopted by the air braking system when the air braking system is controlled by the automatic driving system to brake and park; the corrected parking distance is the distance between the subway train and the corrected parking position when the automatic driving system starts to control the air brake system to brake and park.
In the embodiment of the application, after the automatic driving system selects the target parking strategy, the target braking level and the corrected parking distance can be determined according to the target parking strategy.
104. And controlling the air brake system to brake and park according to the target brake level and the corrected parking distance.
In the embodiment of the application, after the automatic driving system determines the target braking level and the corrected parking distance according to the target parking strategy, the air braking system can be controlled to brake and park according to the target braking level and the corrected parking distance.
According to the subway train parking method, after the automatic driving system obtains the current season, the current temperature and the current humidity, the automatic driving system can firstly determine a target parking strategy according to the current season, the current temperature and the current humidity, namely, a proper parking strategy (namely, a target parking strategy) is selected from a plurality of preset parking strategies according to the current season, the current temperature and the current humidity, then a target braking level and a corrected parking distance are determined according to the target parking strategy, and finally the air braking system is controlled to brake and park according to the determined target braking level and the corrected parking distance. Because, in this application embodiment, staff carries out parking accuracy statistics to the subway train of target subway line based on seasonal factor, temperature factor and humidity factor in advance to confirm the influence of seasonal factor, temperature factor and humidity factor to the subway train parking accuracy of target subway line according to parking accuracy statistics result, thereby formulate a plurality of parking strategies that target subway line corresponds, when the autopilot system of deployment on the subway train of target subway line need stop through the air brake system, after the autopilot system selects suitable parking strategy according to current season, current temperature and current humidity, and stop through the braking of air brake system based on the parking strategy control that selects, thereby can effectively improve the subway train and stop through the air brake system when stopping.
Further, in the embodiment of the application, the specific process of determining the target parking strategy by the autopilot system according to the current season, the current temperature and the current humidity is as follows: (1) Matching the current season, the current temperature and the current humidity with a plurality of preset parking strategy switching conditions; (2) Determining a preset parking strategy switching condition successfully matched as a target parking strategy switching condition; (3) And determining the parking strategy corresponding to the target parking strategy switching condition as the target parking strategy.
The method comprises the steps that after a plurality of preset parking strategy switching conditions and parking strategies corresponding to each preset parking strategy switching condition are that a worker carries out parking precision statistics on a subway train of a target subway line based on seasonal factors, temperature factors and humidity factors, influence of the seasonal factors, the temperature factors and the humidity factors on the parking precision of the subway train of the target subway line is determined according to parking precision statistics results, so that the parking precision of the subway train of the target subway line is formulated; wherein, the plurality of preset parking policy switching conditions and the parking policy corresponding to each preset parking policy switching condition may include, but are not limited to: parking policy switching condition 1: season winter, temperature (-20 ℃, -25 ℃ ], humidity (40%, 45% ]), parking strategy switching condition 1 corresponds to parking strategy 1, parking strategy switching condition 2: season winter, temperature (-25 ℃, -30 ℃ ], humidity (40%, 45% ], parking strategy switching condition 2: season winter, temperature (-20 ℃, -25 ℃ ], humidity (35%, 40% ], parking strategy switching condition 3: season winter, temperature (-20 ℃, -25 ℃, -35%, 40% ], parking strategy switching condition 3 corresponds to parking strategy 3 …, which includes a brake level and parking deceleration map, a correction distance, and an expected parking deceleration for any one parking strategy.
Further, in the embodiment of the application, the specific process of determining the target braking level and correcting the parking distance by the autopilot system according to the target parking strategy is as follows: (1) Acquiring a preset parking distance, wherein the preset parking distance is the distance between a subway train and an original parking position when an automatic driving system starts to control an air brake system to brake and park; (2) Determining a target braking level according to the expected parking deceleration and the mapping relation between the braking level and the parking deceleration, wherein a plurality of parking decelerations and braking levels corresponding to each parking deceleration are recorded in the mapping relation between the braking level and the parking deceleration, and determining the target braking level according to the expected parking deceleration and the mapping relation between the braking level and the parking deceleration, namely searching the braking level corresponding to the expected parking deceleration in the mapping relation between the braking level and the parking deceleration, and determining the searched braking level as the target braking level; (3) And (3) determining a corrected parking distance according to the corrected distance included in the target parking strategy and the preset parking distance obtained in the step (1), namely calculating the sum of the corrected distance and the preset parking distance, and determining the calculation result as the corrected parking distance.
Further, as an implementation of the method shown in fig. 1, another embodiment of the present application further provides a subway train stopping device. The embodiment of the device corresponds to the embodiment of the method, and for convenience of reading, details of the embodiment of the method are not repeated one by one, but it should be clear that the device in the embodiment can correspondingly realize all the details of the embodiment of the method. The device is applied to improve the parking accuracy when the subway train brakes and parks through the air brake system, and specifically as shown in fig. 2, the device comprises:
an acquisition unit 21 for acquiring a current season, a current temperature, and a current humidity;
a first determining unit 22 for determining a target parking strategy according to the current season, the current temperature, and the current humidity;
a second determining unit 23 for determining a target braking level and a corrected parking distance according to the target parking strategy;
and the control unit 24 is used for controlling the air brake system to brake and park according to the target brake level and the corrected parking distance.
Further, as shown in fig. 2, the first determining unit 22 is specifically configured to: matching the current season, the current temperature and the current humidity with a plurality of preset parking strategy switching conditions; determining a preset parking strategy switching condition successfully matched as a target parking strategy switching condition; and determining the parking strategy corresponding to the target parking strategy switching condition as the target parking strategy.
Further, as shown in fig. 2, the target parking strategy includes a brake level and parking deceleration mapping relationship, a correction distance and an expected parking deceleration;
the second determining unit 23 is specifically configured to: acquiring a preset parking distance; determining the target braking level according to the expected parking deceleration and the mapping relation between the braking level and the parking deceleration; and determining the corrected parking distance according to the corrected distance and the preset parking distance.
Further, as shown in fig. 2, the plurality of preset parking policy switching conditions and the parking policy corresponding to each preset parking policy switching condition are formulated according to the parking accuracy statistics result after the staff performs parking accuracy statistics on the subway train of the target subway line based on seasonal factors, temperature factors and humidity factors.
According to the subway train parking method and device, after the automatic driving system obtains the current season, the current temperature and the current humidity, the automatic driving system can firstly determine a target parking strategy according to the current season, the current temperature and the current humidity, namely, a proper parking strategy (namely, a target parking strategy) is selected from a plurality of preset parking strategies according to the current season, the current temperature and the current humidity, then a target braking level and a corrected parking distance are determined according to the target parking strategy, and finally the air braking system is controlled to brake and park according to the determined target braking level and the corrected parking distance. Because, in this application embodiment, staff carries out parking accuracy statistics to the subway train of target subway line based on seasonal factor, temperature factor and humidity factor in advance to confirm the influence of seasonal factor, temperature factor and humidity factor to the subway train parking accuracy of target subway line according to parking accuracy statistics result, thereby formulate a plurality of parking strategies that target subway line corresponds, when the autopilot system of deployment on the subway train of target subway line need stop through the air brake system, after the autopilot system selects suitable parking strategy according to current season, current temperature and current humidity, and stop through the braking of air brake system based on the parking strategy control that selects, thereby can effectively improve the subway train and stop through the air brake system when stopping.
The embodiment of the application provides a storage medium, which comprises a stored program, wherein equipment where the storage medium is located is controlled to execute the subway train stopping method when the program runs.
The storage medium may include volatile memory, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM), among other forms in computer readable media, the memory including at least one memory chip.
The embodiment of the application also provides a subway train stopping device, which comprises a storage medium; and one or more processors coupled to the storage medium, the processors configured to execute the program instructions stored in the storage medium; and executing the subway train stopping method when the program instruction runs.
The embodiment of the application provides equipment, which comprises a processor, a memory and a program stored on the memory and capable of running on the processor, wherein the processor executes the program to realize the following steps:
the acquisition unit is used for acquiring the current season, the current temperature and the current humidity;
a first determining unit configured to determine a target parking policy according to the current season, the current temperature, and the current humidity;
the second determining unit is used for determining a target braking level and a corrected parking distance according to the target parking strategy;
and the control unit is used for controlling the air brake system to brake and park according to the target brake level and the corrected parking distance.
Further, the first determining unit is specifically configured to: matching the current season, the current temperature and the current humidity with a plurality of preset parking strategy switching conditions; determining a preset parking strategy switching condition successfully matched as a target parking strategy switching condition; and determining the parking strategy corresponding to the target parking strategy switching condition as the target parking strategy.
Further, the target parking strategy comprises a mapping relation between a brake level and a parking deceleration, a correction distance and an expected parking deceleration;
the second determining unit is specifically configured to: acquiring a preset parking distance; determining the target braking level according to the expected parking deceleration and the mapping relation between the braking level and the parking deceleration; and determining the corrected parking distance according to the corrected distance and the preset parking distance.
Further, the plurality of preset parking policy switching conditions and the parking policy corresponding to each preset parking policy switching condition are formulated according to parking accuracy statistics results after the staff performs parking accuracy statistics on the subway train of the target subway line based on seasonal factors, temperature factors and humidity factors.
The present application also provides a computer program product adapted to perform, when executed on a data processing device, a program code initialized with the method steps of: the acquisition unit is used for acquiring the current season, the current temperature and the current humidity; a first determining unit configured to determine a target parking policy according to the current season, the current temperature, and the current humidity; the second determining unit is used for determining a target braking level and a corrected parking distance according to the target parking strategy; and the control unit is used for controlling the air brake system to brake and park according to the target brake level and the corrected parking distance.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, etc., such as Read Only Memory (ROM) or flash RAM. Memory is an example of a computer-readable medium.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises an element.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (10)
1. A method for stopping a subway train, the method comprising:
acquiring the current season, the current temperature and the current humidity;
determining a target parking strategy according to the current season, the current temperature and the current humidity;
determining a target braking level and a corrected parking distance according to the target parking strategy;
and controlling an air brake system to brake and park according to the target brake level and the corrected parking distance.
2. The method of claim 1, wherein said determining a target parking strategy based on said current season, said current temperature, and said current humidity comprises:
matching the current season, the current temperature and the current humidity with a plurality of preset parking strategy switching conditions;
determining a preset parking strategy switching condition successfully matched as a target parking strategy switching condition;
and determining the parking strategy corresponding to the target parking strategy switching condition as the target parking strategy.
3. The method of claim 1, wherein the target parking strategy comprises a brake level to park deceleration map, a correction distance, and an expected park deceleration; the determining the target braking level and the corrected parking distance according to the target parking strategy comprises the following steps:
acquiring a preset parking distance;
determining the target braking level according to the expected parking deceleration and the mapping relation between the braking level and the parking deceleration;
and determining the corrected parking distance according to the corrected distance and the preset parking distance.
4. The method according to claim 2, wherein the plurality of preset parking policy switching conditions and the parking policy corresponding to each of the preset parking policy switching conditions are formulated according to the parking accuracy statistics result after the staff performs the parking accuracy statistics on the subway train of the target subway line based on the seasonal factor, the temperature factor and the humidity factor.
5. A subway train stopping apparatus, the apparatus comprising:
the acquisition unit is used for acquiring the current season, the current temperature and the current humidity;
a first determining unit configured to determine a target parking policy according to the current season, the current temperature, and the current humidity;
the second determining unit is used for determining a target braking level and a corrected parking distance according to the target parking strategy;
and the control unit is used for controlling the air brake system to brake and park according to the target brake level and the corrected parking distance.
6. The apparatus of claim 5, wherein the device comprises a plurality of sensors,
the first determining unit is specifically configured to: matching the current season, the current temperature and the current humidity with a plurality of preset parking strategy switching conditions; determining a preset parking strategy switching condition successfully matched as a target parking strategy switching condition; and determining the parking strategy corresponding to the target parking strategy switching condition as the target parking strategy.
7. The apparatus of claim 5, wherein the target parking strategy comprises a brake level to parking deceleration map, a correction distance, and an expected parking deceleration;
the second determining unit is specifically configured to: acquiring a preset parking distance; determining the target braking level according to the expected parking deceleration and the mapping relation between the braking level and the parking deceleration; and determining the corrected parking distance according to the corrected distance and the preset parking distance.
8. The apparatus of claim 6, wherein the plurality of preset parking policy switching conditions and the parking policy corresponding to each of the preset parking policy switching conditions are formulated according to a parking accuracy statistics result after a worker performs parking accuracy statistics on a subway train of a target subway line based on seasonal factors, temperature factors and humidity factors.
9. A storage medium comprising a stored program, wherein the program, when run, controls a device in which the storage medium is located to perform the subway train stopping method of any one of claims 1-4.
10. A subway train stopping device, characterized in that the device comprises a storage medium; and one or more processors coupled to the storage medium, the processors configured to execute the program instructions stored in the storage medium; the program instructions, when run, perform the subway train stopping method of any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310678706.2A CN116443068A (en) | 2023-06-09 | 2023-06-09 | Subway train stopping method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310678706.2A CN116443068A (en) | 2023-06-09 | 2023-06-09 | Subway train stopping method and device |
Publications (1)
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| CN112590748A (en) * | 2021-01-05 | 2021-04-02 | 中车株洲电力机车有限公司 | Subway vehicle air brake supplementing method and device |
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| JPH05238391A (en) * | 1992-03-02 | 1993-09-17 | Hitachi Ltd | Train operation managing system |
| CN102632913A (en) * | 2012-05-08 | 2012-08-15 | 上海庞丰交通设备科技有限公司 | Deceleration control system for realizing automatic arrival parking of trains |
| CN108674447A (en) * | 2018-05-02 | 2018-10-19 | 北京交通大学 | Operation control method for train under special external environment |
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