CN116147941B - Train braking simulation system and control method thereof - Google Patents
Train braking simulation system and control method thereof Download PDFInfo
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- CN116147941B CN116147941B CN202310437172.4A CN202310437172A CN116147941B CN 116147941 B CN116147941 B CN 116147941B CN 202310437172 A CN202310437172 A CN 202310437172A CN 116147941 B CN116147941 B CN 116147941B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a train braking simulation system and a control method thereof, and relates to the technical field of train simulation. The train braking simulation system comprises a simulated driving locomotive, a controller and a simulated load train set. The simulated driving locomotive is provided with a wind source, the simulated load train comprises a plurality of simulated load vehicles, the simulated load vehicles are provided with air brakes and sensors, the air brakes are sequentially connected, the wind source is connected with one air brake at the end part, the sensors are connected with the air brakes and are electrically connected with a controller, the sensors are used for collecting operation data of the air brakes in the braking process, and the controller is used for carrying out simulation analysis according to simulated environment parameters and the operation data. The train braking simulation system provided by the invention can simulate the braking process of the train and obtain the calculation result with high accuracy so as to accurately represent the braking performance of the train and facilitate the production and manufacture of the subsequent train.
Description
Technical Field
The invention relates to the technical field of train simulation, in particular to a train braking simulation system and a control method thereof.
Background
At present, various performances of the train need to be studied before the train is produced and manufactured. At present, in the process of researching the braking performance of a train, the result can be obtained only by theoretical analysis and pre-estimation calculation because of no corresponding simulation system, so that the accuracy of the calculation result is low, the braking performance of the train cannot be accurately represented, and the production and the manufacture of the subsequent train are directly influenced.
Therefore, the train braking simulation system with high accuracy and the control method thereof are particularly important in train production.
Disclosure of Invention
The invention aims to provide a train braking simulation system which can simulate the braking process of a train and obtain a calculation result with high accuracy so as to accurately represent the braking performance of the train and facilitate the production and the manufacture of the subsequent train.
The invention further aims to provide a control method of the train braking simulation system, which can simulate the braking process of the train and obtain a calculation result with high accuracy so as to accurately represent the braking performance of the train and facilitate the production and the manufacture of the following trains.
The invention is realized by adopting the following technical scheme.
The train braking simulation system comprises a simulation driving locomotive, a controller and a simulation load train unit, wherein the simulation driving locomotive is provided with a wind source, the simulation load train unit comprises a plurality of simulation load vehicles, the simulation load vehicles are provided with air brakes and sensors, the air brakes are sequentially connected, the wind source is connected with one air brake at the end part, the wind source is used for inputting compressed air into the air brakes so as to enable the air brakes to brake, the sensors are connected with the air brakes and are electrically connected with the controller, the sensors are used for collecting operation data of the air brakes in a braking process and sending the operation data to the controller, and the controller is used for carrying out simulation analysis according to simulation environment parameters and the operation data and obtaining simulation calculation data.
Optionally, the wind source comprises an air compressor and a wind storage tank, one end of the wind storage tank is connected with the air compressor, and the other end of the wind storage tank is connected with an air brake at the end.
Optionally, the simulated load train unit further comprises a test bed, the simulated load vehicles are all installed on the test bed, the simulated load vehicles are divided into two rows, the number of the simulated load vehicles in the two rows is equal, the simulated load vehicles in the two rows are arranged at intervals in parallel, and the positions of the simulated load vehicles in one row correspond to the positions of the simulated load vehicles in the other row one by one.
Optionally, the sensor includes a pressure data sensor for detecting air pressure data in an air tube in the air brake and a position data sensor for detecting movement position data of a brake cylinder piston in the air brake.
Optionally, the number of the simulated driving locomotives and the simulated load train sets is multiple, the simulated driving locomotives and the simulated load train sets are alternately arranged in sequence, and an air brake at one end, far away from the wind source, of one simulated load train set is connected with an exhaust device of an adjacent simulated driving locomotive.
Optionally, the controller is connected with the wind sources of the plurality of simulated driving locomotives at the same time, and the controller is used for synchronously controlling the plurality of wind sources to output compressed air so as to realize synchronous braking of the plurality of simulated load groups.
Optionally, the controller includes a simulation module, an input module and a calculation module, the sensor is connected with the simulation module, the simulation module and the input module are both connected with the calculation module, the simulation module is used for performing simulation analysis according to the operation data and sending the obtained analysis result to the calculation module, the input module is used for sending the input simulation environment parameters to the calculation module, and the calculation module is used for calculating according to the analysis result and the simulation environment parameters to obtain simulation calculation data.
Optionally, the train brake simulation system further comprises a train tail exhaust device, wherein the train tail exhaust device is connected with one air brake at one end, far away from the wind source, of the simulated load train unit, and the train tail exhaust device is used for exhausting compressed air in the air brake.
A control method of a train brake simulation system is used for controlling the train brake simulation system, and the control method of the train brake simulation system comprises the following steps: controlling a wind source to input compressed air to the air brake so as to enable the air brake to brake; acquiring operation data of the air brake in a braking process by using a sensor; obtaining simulation environment parameters; and performing simulation analysis according to the simulation environment parameters and the operation data, and obtaining simulation calculation data.
Optionally, in the step of performing simulation analysis according to the simulated environmental parameters and the operation data and obtaining the simulated calculation data, the simulated environmental parameters include total traction force, an operation line gradient, an operation speed and an operation line turning radius, the operation data include air pressure data in an air pipe in the air brake and action position data of a brake cylinder piston in the air brake, and the simulated calculation data include impact force, whole vehicle speed variation and whole vehicle acceleration variation between two adjacent simulated load vehicles.
The train braking simulation system and the control method thereof provided by the invention have the following beneficial effects:
the invention provides a train braking simulation system, wherein a simulated driving locomotive is provided with a wind source, a simulated load train comprises a plurality of simulated load vehicles, the simulated load vehicles are provided with air brakes and sensors, the air brakes are sequentially connected, the wind source is connected with one air brake at the end part, the wind source is used for inputting compressed air into the air brake so as to brake the air brake, the sensors are connected with the air brake and are electrically connected with a controller, the sensors are used for collecting operation data of the air brake in the braking process and sending the operation data to the controller, and the controller is used for performing simulation analysis according to simulated environment parameters and the operation data and obtaining simulation calculation data. Compared with the prior art, the train braking simulation system provided by the invention has the advantages that the wind sources connected with the air brakes and the controller electrically connected with the sensor are adopted, so that the braking process of the train can be simulated, the calculation result with high accuracy is obtained, the braking performance of the train is accurately represented, and the production and the manufacture of the subsequent train are facilitated.
The control method of the train braking simulation system provided by the invention has the advantages that the steps are simple, the braking process of the train can be simulated, and the calculation result with high accuracy is obtained, so that the braking performance of the train is accurately represented, and the production and the manufacture of the subsequent train are facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a train brake simulation system according to an embodiment of the present invention;
fig. 2 is a block diagram of the structure of a train brake simulation system according to an embodiment of the present invention.
Icon: 100-train braking simulation system; 110-simulating a drive locomotive; 111-wind sources; 112-an exhaust; 120-a controller; 121-a simulation module; 122-an input module; 123-a calculation module; 130-simulated load consist; 131-test bed; 132-simulating a load vehicle; 133-air brake; 134-sensor; 135-pressure data sensor; 136-a position data sensor; 137-airway tube; 140-row tail exhaust device.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "inner", "outer", "upper", "lower", "horizontal", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. Features of the embodiments described below may be combined with each other without conflict.
Referring to fig. 1 and 2 in combination, an embodiment of the present invention provides a train brake simulation system 100 for implementing simulation of train braking. The method can simulate the braking process of the train and obtain a calculation result with high accuracy so as to accurately represent the braking performance of the train and facilitate the production and the manufacture of the subsequent train.
Train brake simulation system 100 includes a simulated drive locomotive 110, a controller 120, a simulated load train 130, and a tail exhaust 140. Wherein the simulated drive locomotive 110 is used to simulate the locomotive of a train and the simulated load train set 130 is used to simulate the body of the train. The simulated drive locomotive 110 is provided with a wind source 111, the simulated load train 130 comprises a test bed 131 and a plurality of simulated load vehicles 132, the plurality of simulated load vehicles 132 are all installed on the test bed 131, the test bed 131 is used for supporting and fixing the simulated load vehicles 132, and the simulated load vehicles 132 are provided with air brakes 133 and sensors 134. The plurality of air brakes 133 are connected in sequence, the wind source 111 is connected with one air brake 133 positioned at the end, and the wind source 111 is used for inputting compressed air to the air brake 133 so that the air brake 133 can apply work under the action of the compressed air input by the wind source 111, thereby braking and further simulating the braking action of the train. The sensor 134 is connected with the air brake 133 and is electrically connected with the controller 120, the sensor 134 is used for collecting operation data of the air brake 133 in the braking process and sending the operation data to the controller 120, and the controller 120 is used for performing simulation analysis according to the simulation environment parameters and the operation data and obtaining simulation calculation data. In this way, the train braking simulation system 100 can simulate the braking process of the train, and obtain a highly accurate calculation result to accurately represent the braking performance of the train, so as to facilitate the production and manufacture of the following train.
It is noted that each of the load-simulator vehicles 132 is provided with an air brake 133, each air brake 133 is provided with an air duct 137, and two adjacent air brakes 133 in the load-simulator vehicle group 130 are connected by the air duct 137 to realize the series connection of a plurality of air brakes 133 in the load-simulator vehicle group 130. The wind source 111 is connected with one air brake 133 located at the end of the simulated load train 130, so that compressed air output by the wind source 111 can sequentially enter a plurality of air brakes 133 in the simulated load train 130 to form an air brake flow path, and thus, the compressed air output by the wind source 111 can simultaneously apply work to a plurality of air brakes 133 in the simulated load train 130, so that a plurality of simulated load vehicles 132 in the simulated load train 130 can brake simultaneously, and the braking action of the whole vehicle is simulated.
It should be noted that, the tail exhaust device 140 is connected to one air brake 133 at one end of the simulated load train 130 far away from the wind source 111, and the tail exhaust device 140 is used for exhausting compressed air in the air brake 133, that is, compressed air after the air brake 133 is acted in the air brake flow path is exhausted to the outside through the tail exhaust device 140, so as to realize the exhaust of compressed air, and ensure the stability and reliability of the whole air brake process.
In this embodiment, the air brakes 133 at the tail end of the simulated load train 130 (i.e. the end of the simulated load train 130 far from the wind source 111) are connected to the tail exhaust device 140, and the tail exhaust device 140 is used to realize the exhaust function. However, the present invention is not limited thereto, and in other embodiments, the air brake 133 at the tail end of the dummy load train 130 may be connected to the exhaust device 112 of another dummy drive locomotive 110, and the exhaust function may be implemented by the exhaust device 112. In other words, the air brake 133 at the tail end of the dummy load train 130 may be connected to the tail exhaust device 140 at the tail end of the train, or the air brake 133 at the tail end of the dummy load train 130 may be connected to the exhaust device 112 at the next train.
In this embodiment, the plurality of load-simulating vehicles 132 in the load-simulating vehicle group 130 are divided into two rows, the number of load-simulating vehicles 132 in the two rows is equal, the load-simulating vehicles 132 in the two rows are arranged in parallel at intervals, and the positions of the load-simulating vehicles 132 in one row correspond to the positions of the load-simulating vehicles 132 in the other row one by one. In the braking process of the whole vehicle model, the compressed air output by the air source 111 sequentially passes through a plurality of air brakes 133 in the first row of simulated load vehicles 132, then passes through a plurality of air brakes 133 in the second row of simulated load vehicles 132 to form an air braking flow path, and finally the compressed air in the air braking flow path is discharged outwards through the tail exhaust device 140 to complete the air braking operation. In this process, the plurality of air brakes 133 in the two rows of the load-simulating vehicles 132 do work under the action of the compressed air to realize the brake-simulating function. Specifically, the air brake flow path is arranged in a bent shape, and during the flow of the compressed air, the compressed air flows into the plurality of air brakes 133 in the first row of the load-simulating vehicles 132 in sequence along the first direction, and then flows into the plurality of air brakes 133 in the second row of the load-simulating vehicles 132 in sequence along the second direction, where the first direction is opposite to the second direction.
The wind source 111 includes an air compressor (not shown) and a wind reservoir (not shown). One end of the air reservoir is connected to an air compressor and the other end is connected to an air brake 133 located at the end of the simulated load train 130. The air compressor is used for inputting compressed air into the air storage tank, the air storage tank is used for storing the compressed air, and the compressed air is input into one air brake 133 positioned at the end part of the simulated load train 130 during the simulated braking process, so that the function of inputting the compressed air into an air brake flow path is realized.
The sensors 134 include a pressure data sensor 135 and a position data sensor 136. The pressure data sensor 135 and the position data sensor 136 are electrically connected to the controller 120, the pressure data sensor 135 is used for detecting air pressure data in an air pipe in the air brake 133 and transmitting the air pressure data to the controller 120, and the position data sensor 136 is used for detecting movement position data of a brake cylinder piston in the air brake 133 and transmitting the movement position data to the controller 120.
It should be noted that, the number of the analog driving locomotives 110 and the number of the analog load groups 130 are all plural, the plural analog driving locomotives 110 and the plural analog load groups 130 are alternately arranged in sequence, an air brake 133 at one end of one analog load group 130 far away from the wind source 111 is connected with an air exhaust device 112 of an adjacent analog driving locomotive 110, and the air exhaust device 112 is used for exhausting compressed air in a previous air brake flow path, that is, the compressed air after the work done by the air brake 133 in the previous air brake flow path is exhausted to the outside through the air exhaust device 112 of the next analog driving locomotive 110, so as to realize the exhaust of the compressed air, and ensure the stable and reliable air brake process.
Specifically, the air supply of the first simulated drive locomotive 110 flows through the air brake fluid path formed by the first simulated load train 130 to the exhaust 112 of the second simulated drive locomotive 110 and is exhausted outwardly through the exhaust 112; the air source of the second simulated drive locomotive 110 flows through the air brake fluid path formed by the second simulated load train 130 to the exhaust 112 of the third simulated drive locomotive 110 and is exhausted outwardly through the exhaust 112; the air source of the third simulated drive locomotive 110 flows through the air brake fluid path formed by the third simulated load train 130 to the exhaust 112 of the fourth simulated drive locomotive 110 and is exhausted outwardly through the exhaust 112; in this recurrence, the air supply to the last simulated drive locomotive 110 flows through the air brake fluid path formed by the last simulated load train 130 to the tail gas exhaust 140 and is exhausted outwardly through the tail gas exhaust 140.
In this embodiment, the number of simulated drive locomotives 110 and simulated load consist 130 is 4, each simulated load consist 130 having 108 simulated load vehicles 132. But is not limited thereto, in other embodiments, the number of simulated drive locomotives 110 and simulated load consist 130 are each 3, each simulated load consist 130 having 105 simulated load vehicles 132; the number of simulated drive locomotives 110 and simulated load consist 130 is 5, each simulated load consist 130 having 100 simulated load vehicles 132; the number of simulated drive locomotives 110 and simulated load consist 130, and the number of simulated load vehicles 132 per simulated load consist 130 are not particularly limited.
Further, the controller 120 is simultaneously connected with the wind sources 111 of the plurality of analog driving locomotives 110, and the controller 120 is used for synchronously controlling the plurality of wind sources 111 to output compressed air so as to realize synchronous braking of the plurality of analog load groups 130, thereby accurately simulating the braking process of the whole vehicle. Specifically, the controller 120 implements synchronous control of braking and releasing braking of the plurality of analog driving locomotives 110 through a combination of hardware and software, and when a user operates the controller 120 to start braking or release braking, the plurality of analog load groups 130 synchronously respond to control instructions so as to ensure accuracy of analog braking.
The controller 120 includes a simulation module 121, an input module 122, and a calculation module 123. The sensor 134 is connected to the simulation module 121, and the sensor 134 is used to transmit the operation data of the air brake 133 to the simulation module 121. The simulation module 121 and the input module 122 are both connected with the calculation module 123, the simulation module 121 is used for performing simulation analysis according to the operation data, and sending the obtained analysis result to the calculation module 123, the input module 122 is used for sending the input simulation environment parameter to the calculation module 123, and the calculation module 123 is used for obtaining simulation calculation data according to the analysis result and the simulation environment parameter, so as to accurately represent the braking performance of the train, and facilitate the production and the manufacture of the subsequent train.
The embodiment of the invention also provides a control method of the train braking simulation system, which comprises the following steps:
step S110: the control wind source 111 inputs compressed air to the air brake 133 to brake the air brake 133.
In step S110, the controller 120 is used to control the wind source 111 to be started so that the compressed air is input into the air brake flow path formed by combining the plurality of air brakes 133 by the wind source 111, so that the compressed air output from the wind source 111 can simultaneously apply work to the plurality of air brakes 133 in the simulated load train 130, so that the plurality of simulated load vehicles 132 in the simulated load train 130 can simultaneously brake, and the braking action of the whole vehicle can be simulated. Further, in this step, the controller 120 is used to control the tail exhaust device 140 to be started, so that the tail exhaust device 140 can exhaust the compressed air in the air brake flow path after the work of the air brake 133 is completed outwards, and the whole air brake process is ensured to be stable and reliable.
Step S120: operational data of the air brake 133 during braking is collected using the sensor 134.
In step S120, the operation data includes air pressure data in the air pipe of the air brake 133 and operation position data of the brake cylinder piston of the air brake 133. Air pressure data in the air pipe in the air brake 133 is detected by a pressure data sensor 135 in the sensor 134, and movement position data of the brake cylinder piston in the air brake 133 is detected by a position data sensor 136 in the sensor 134.
Step S130: and obtaining simulation environment parameters.
In step S130, the simulated environment parameters include total traction, a gradient of the running line, a running speed, a turning radius of the running line, and the like. The user can write the total tractive effort, the operating line grade, the operating speed, the operating line turning radius, etc. through the input module 122 of the controller 120 to facilitate simulation in various environmental scenarios.
Step S140: and performing simulation analysis according to the simulation environment parameters and the operation data, and obtaining simulation calculation data.
In step S140, the simulation calculation data includes the impact force, the vehicle speed variation and the vehicle acceleration variation between two adjacent simulated load vehicles 132. The simulation module 121 of the controller 120 performs simulation analysis according to the operation data, and transmits the obtained analysis result to the calculation module 123 of the controller 120, and the calculation module 123 calculates according to the analysis result and the simulation environment parameter to obtain simulation calculation data, where the simulation calculation data can accurately represent the braking performance of the train, so that the production and the manufacture of the subsequent train are facilitated.
According to the train brake simulation system 100 provided by the embodiment of the invention, a simulated driving locomotive 110 is provided with a wind source 111, a simulated load train 130 comprises a plurality of simulated load vehicles 132, the simulated load vehicles 132 are provided with air brakes 133 and sensors 134, the plurality of air brakes 133 are sequentially connected, the wind source 111 is connected with one air brake 133 positioned at the end, the wind source 111 is used for inputting compressed air into the air brakes 133 so as to brake the air brakes 133, the sensors 134 are connected with the air brakes 133 and are electrically connected with a controller 120, the sensors 134 are used for collecting operation data of the air brakes 133 in the braking process and sending the operation data to the controller 120, and the controller 120 is used for performing simulation analysis according to simulated environment parameters and the operation data and obtaining simulation calculation data. Compared with the prior art, the train braking simulation system 100 provided by the invention can simulate the braking process of the train and obtain a high-precision calculation result so as to accurately represent the braking performance of the train and facilitate the production and manufacture of the subsequent train due to the adoption of the wind sources 111 connected with the air brakes 133 and the controllers 120 electrically connected with the sensors 134. The control method of the train braking simulation system has the advantages of simple steps, good simulation effect and high calculation accuracy.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The train braking simulation system is characterized by comprising a simulation driving locomotive, a controller and a simulation load train unit, wherein the simulation driving locomotive is provided with a wind source, the simulation load train unit comprises a plurality of simulation load vehicles, the simulation load vehicles are provided with air brakes and sensors, the air brakes are sequentially connected, the wind source is connected with one air brake at the end part, the wind source is used for inputting compressed air into the air brake so as to brake the air brake, the sensors are connected with the air brake and are electrically connected with the controller, the sensors are used for collecting operation data of the air brake in the braking process and sending the operation data to the controller, and the controller is used for carrying out simulation analysis according to simulation environment parameters and the operation data and obtaining simulation calculation data;
the simulated load vehicle group further comprises a test bed, wherein a plurality of simulated load vehicles are arranged on the test bed, the simulated load vehicles are divided into two rows, the quantity of the simulated load vehicles in the two rows is equal, the simulated load vehicles in the two rows are arranged in parallel at intervals, and the positions of the simulated load vehicles in one row correspond to the positions of the simulated load vehicles in the other row one by one;
the number of the simulated driving locomotives and the number of the simulated load groups are multiple, the simulated driving locomotives and the simulated load groups are sequentially and alternately arranged, and air brakes, which are far away from one end of the wind source, in one simulated load group are connected with an exhaust device of an adjacent simulated driving locomotive.
2. The train brake simulation system of claim 1 wherein the wind source comprises an air compressor and a wind reservoir connected at one end to the air compressor and at the other end to one of the air brakes at the end.
3. The train brake simulation system of claim 1 wherein the sensors include a pressure data sensor for detecting air pressure data within an air tube in the air brake and a position data sensor for detecting movement position data of a brake cylinder piston in the air brake.
4. The train brake simulation system of claim 1 wherein the controller is simultaneously connected to the wind sources of a plurality of the simulated drive locomotives, the controller for synchronously controlling the plurality of wind sources to output compressed air to achieve synchronous braking of a plurality of the simulated load train sets.
5. The train brake simulation system according to claim 1, wherein the controller comprises a simulation module, an input module and a calculation module, the sensor is connected with the simulation module, the simulation module and the input module are both connected with the calculation module, the simulation module is used for performing simulation analysis according to the operation data and transmitting the obtained analysis result to the calculation module, the input module is used for transmitting the input simulation environment parameter to the calculation module, and the calculation module is used for calculating the simulation calculation data according to the analysis result and the simulation environment parameter.
6. The train brake simulation system of claim 1 further comprising a tail exhaust connected to one of the air brakes in the simulated load train set at an end remote from the wind source, the tail exhaust being configured to exhaust compressed air from the air brakes.
7. A control method of a train brake simulation system, characterized by being used for controlling the train brake simulation system according to any one of claims 1 to 6, the control method of the train brake simulation system comprising:
controlling the wind source to input compressed air to the air brake so as to enable the air brake to brake;
acquiring the operation data of the air brake in a braking process by using the sensor;
acquiring the simulation environment parameters;
and performing simulation analysis according to the simulation environment parameters and the operation data, and obtaining the simulation calculation data.
8. The method according to claim 7, wherein in the step of performing simulation analysis based on the simulated environmental parameters and the operation data and obtaining the simulation calculation data, the simulated environmental parameters include total traction force, operation line gradient, operation speed, and operation line turning radius, the operation data includes air pressure data in an air pipe in the air brake and movement position data of a brake cylinder piston in the air brake, and the simulation calculation data includes impact force between two adjacent simulated load vehicles, overall vehicle speed variation, and overall vehicle acceleration variation.
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| CN114459781A (en) * | 2022-01-18 | 2022-05-10 | 同济大学 | Intelligent train dynamic braking test system and application thereof |
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| 列车空气制动系统仿真的有效性;魏伟;;中国铁道科学(第05期);第106-111页 * |
| 基于多学科协同分析的轨道车辆制动系统集成化仿真平台;朱文良;吴萌岭;田春;左建勇;;交通运输工程学报(第03期);第103-114页 * |
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