CN201721465U - Automatic speed-regulating system for railway vehicles based on genetic algorithm - Google Patents

Automatic speed-regulating system for railway vehicles based on genetic algorithm Download PDF

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CN201721465U
CN201721465U CN2010202246747U CN201020224674U CN201721465U CN 201721465 U CN201721465 U CN 201721465U CN 2010202246747 U CN2010202246747 U CN 2010202246747U CN 201020224674 U CN201020224674 U CN 201020224674U CN 201721465 U CN201721465 U CN 201721465U
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speed
signal
control box
output part
input end
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姬云东
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Abstract

The utility model provides an automatic speed-regulating system for railway vehicles based on a genetic algorithm, relating to the field of railway automatic speed regulation. The automatic speed-regulating system solves the problems of poor speed-regulating result and inaccuracy existing when railway automatic speed-reducing equipment constructed by applying an 'accurate control' theory is used for carrying out automatic speed regulation to vehicles. The automatic speed-regulating system comprises weight measuring equipment, first speed measuring equipment, a control box, a weight measuring computer, a control computer, a driving power supply and a speed-reducing device. When the vehicles downwards slide from a hump, the weight-measuring computer calculates the weight of each carriage and the quantity of the carriages through the weight measuring equipment and the first speed measuring equipment and then transmits the information to the control computer, the control computer control the speed-regulating equipment through the driving power supply by combining with the speed measured by the speed measuring equipment according to the information, and then the wheels of the vehicles are braked by the speed-regulating equipment, thereby the automatic speed-regulating system achieves the purpose of vehicle speed regulation. The automatic speed-regulating system can be applied to the field of speed regulation of the railway vehicles.

Description

Automatic speed regulation system based on the rolling stock of genetic algorithm
Technical field
The utility model relates to a kind of automatic speed regulation system of rolling stock.
Background technology
Railway is the main artery of national economy, and the rolling stock automatic speed regulation system is one of important means of marshaling yard realization automation.It mainly is to solve railway freight gravitation marshalling yard, particularly medium and small marshalling yard, the speed governing problem during the apportioned effort humping of cars.Since the last century the nineties, this system is in many local effects that all obtained good speed governing of using.This system automation degree is very high, has substituted the manual work that skate, rim brake etc. fall behind fully, has improved shipping efficient widely simultaneously, thereby has improved economic benefit and social benefit.
The process of hump humping of cars is that a characteristics of motion is very complicated, and change variable is a lot of, does not have the dynamic process that absolute unalterable rules can be followed.In order to realize the real-time automation control of this operation process, the computer controlled speed control device that always adopts carried out " point type target practice " speed regulation experiment to colluding car in the past.At first, require accurately to measure data such as the weight, resistance, speed, track clear length and the wind speed that collude car, wind direction; Then, computing machine colludes the accurate target exit velocity value that car should reach by speed control device by what " target practice equation " calculated, and the control retarder carries out real-time speed regulating to colluding car.But because actual situation about running into is Protean in this system, no matter finding the solution of data that record or equation, theoretical and reality often varies, require each controlling unit to accomplish that all thousand standards ten thousand are impossible really, and any data that record have mistakes and omissions, or any controlling unit has error, all can cause the failure of the final speed governing of The whole control system.Therefore, by speed control device " point type targets practice " purpose of " accuracy control " The Theory Construction braking automation control system, through for a long time, repeatedly, repetition test, all out of reach is expected operational effect.
The utility model content
The purpose of this utility model is to solve when the railway automatic retardation equipment of application " accuracy control " The Theory Construction carries out automatic speed regulation to colluding car at present, there is poor as a result, the inaccurate problem of speed governing, a kind of automatic speed regulation system of the rolling stock based on genetic algorithm is provided.
Based on the automatic speed regulation system of the rolling stock of genetic algorithm, it comprises weight measuring equipment, first test the speed equipment, control box, check weighing computing machine, control computer, driving power and speed reduction gearing; First equipment that tests the speed is made up of N first tachogenerator, and speed reduction gearing is made up of N retarding device, and wherein N is a positive integer;
The signal output part of weight measuring equipment connects the weight signal input end of control box, first signal output part that tests the speed N first tachogenerator in the equipment connects N the first speed signal input end of control box respectively, the weight signal mouth of control box connects the weight signal input end of check weighing computing machine, the signal output part of check weighing computing machine connects the signal input part of control computer, the drive signal mouth of control computer connects the controlling and driving amount input end of control box, the power driving signal mouth of control box connects the signal input part of driving power, driving power has N signal output part, and each signal output part in the described N signal output part is connected with the signal input part of a retarding device respectively.
Automatic speed regulation system of the present utility model forms based on the fuzzy control theory structure, can carry out real-time speed regulating control, adjusting speed accuracy height continuously to colluding the car rolling.
Description of drawings
Fig. 1 is the structural representation of embodiment one; Fig. 2 is the structural representation of embodiment two; Fig. 3 is the structural representation of embodiment four; Fig. 4 is the structural representation of embodiment five; Fig. 5 is the structural representation of embodiment six.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1 present embodiment is described, the automatic speed regulation system based on the rolling stock of genetic algorithm of present embodiment, it comprises weight measuring equipment 1, first test the speed equipment 2, control box 3, check weighing computing machine 4, control computer 5, driving power 6 and speed reduction gearing 7; First equipment 2 that tests the speed is made up of N first tachogenerator, and speed reduction gearing 7 is made up of N retarding device, and wherein N is a positive integer, and N is a station track quantity;
The signal output part of weight measuring equipment 1 connects the weight signal input end of control box 3, first signal output part that tests the speed N first tachogenerator in the equipment 2 connects N the first speed signal input end of control box 3 respectively, the weight signal mouth of control box 3 connects the weight signal input end of check weighing computing machine (4), the signal output part of check weighing computing machine 4 connects the signal input part of control computer 5, the drive signal mouth of control computer 5 connects the controlling and driving amount input end of control box 3, the power driving signal mouth of control box 3 connects the signal input part of driving power 6, driving power 6 has N signal output part, and each signal output part in the described N signal output part is connected with the signal input part of a retarding device respectively.
Described weight measuring equipment 1 is used to obtain the total weight signal of vehicle, and described total weight signal is sent to control box 3; Described vehicle comprises that more piece connects the compartment that hangs over together;
Described first equipment 2 that tests the speed is used to obtain the speed signal before the vehicle speed governing, and described speed signal is sent to control box 3;
Described control box 3 is used for the total weight signal and the speed signal that receive are carried out analog-to-digital conversion, and the total weight signal after will changing and speed signal send to check weighing computing machine 4; Also be used to receive controlling and driving amount V, and give driving power 6 according to described controlling and driving amount V out-put supply drive signal from control computer 5;
Described check weighing computing machine 4, be used for calculating and obtaining the average weight in every joint compartment and the quantity in compartment according to the total weight signal that receives and speed signal, and will calculate the average weight in every joint compartment of acquisition, the quantity and the speed signal in compartment sends to control computer 5;
Described control computer 5 is used for according to the average weight in the every joint compartment that receives, the quantity and the speed signal in compartment, utilizes fuzzy control theory to obtain controlling and driving amount V, and described controlling and driving amount V is exported to control box 3;
Described driving power 6 is used for the operation according to the power driving signal control speed reduction gearing 7 that receives;
Described speed reduction gearing 7 is used for starting or stoping under driving power 6 controls.Described speed reduction gearing 7 starts the back vehicle is slowed down, and when stopping, slowing down and finishes.
Automatic speed regulation system of the present utility model forms based on the fuzzy control theory structure, can carry out real-time speed regulating control, adjusting speed accuracy height continuously to colluding the car rolling.
The working process of present embodiment is:
Weight measuring equipment 1 is set on the hump of marshalling yard, in hump to the entrance of each the bar station track between the district of station track one first tachogenerator is set, and on each bar station track, a speed reduction gearing 7 is set;
At first utilize the total weight signal of weight measuring equipment 1 acquisition vehicle, and this total weight signal is sent to control box 3; Make vehicle rolling downwards on hump then,, utilize to be positioned at first of this entrance equipment 2 that tests the speed and to obtain the current speed signal of vehicles, and this speed signal is sent to control box 3 when vehicle during through the inlet of a certain station track;
Total weight signal and speed signal that 3 pairs of control boxs receive carry out analog-to-digital conversion, and total weight signal and speed signal after will changing then send to check weighing computing machine 4;
Check weighing computing machine 4 calculates according to the total weight signal and the speed signal that receive, obtain the average weight in every joint compartment, the quantity in compartment, will calculate the average weight in the every joint compartment that obtains then, the quantity and the speed signal in compartment sends to control computer 5;
Control computer 5 is utilized fuzzy control theory to obtain controlling and driving amount V, and described controlling and driving amount V is exported to control box 3 according to the average weight in every joint compartment, the quantity and the speed signal in compartment;
Control box 3 is given driving power 6 according to described controlling and driving amount V out-put supply drive signal, and driving power 6 starts according to the speed reduction gearing 7 that the power driving signal control that receives is positioned on this trand road then, and then realizes vehicle is slowed down.
The specific embodiment two: in conjunction with Fig. 2 present embodiment is described, different with embodiment one is, the automatic speed regulation system based on the rolling stock of genetic algorithm of present embodiment, it also comprises second equipment 8 that tests the speed, described second equipment 8 that tests the speed is made up of N second tachogenerator, second N the second speed signal input part of signal output part connection control box 3 of N second tachogenerator that tests the speed equipment 8.
Described second equipment 8 that tests the speed is used to obtain the speed signal after the vehicle speed governing, and the speed signal after the described speed governing is sent to control box 3;
Described control box 3 also be used for the speed signal after the speed governing that receives is carried out analog-to-digital conversion, and the speed signal after the speed governing after will changing sends to check weighing computing machine 4;
Described check weighing computing machine 4, the speed signal after the speed governing that also is used for receiving is transmitted to control computer 5;
Described control computer 5, also be used for according to the speed signal after genetic algorithm and the speed governing that receives, fuzzy control parameter table in the fuzzy control theory is optimized, and replaces fuzzy control parameter table in the fuzzy control theory with the fuzzy control parameter table after optimizing;
In the present embodiment, the exit at last each controlling point, station track district installs second tachogenerator additional, as total system exit velocity monitoring point, according to it system's control result is made assessment, simultaneously also as system feedback information.
The working process of present embodiment is:
Weight measuring equipment 1 is set on the hump of marshalling yard, in hump to the entrance of each the bar station track between the district of station track one first tachogenerator is set, and a plurality of on-the-spot hydraulic pressure decelerations top is set on each bar station track, in the exit of each bar station track one second tachogenerator is installed;
At first utilize the total weight signal of weight measuring equipment 1 acquisition vehicle, and this total weight signal is sent to control box 3; Make vehicle rolling downwards on hump then, when vehicle passes through the inlet of a certain station track, utilize first tachogenerator that is positioned at this entrance to obtain the current speed signal of vehicle, and this speed signal is sent to control box 3;
Total weight signal and speed signal that 3 pairs of control boxs receive carry out analog-to-digital conversion, and total weight signal and speed signal after will changing then send to check weighing computing machine 4;
Check weighing computing machine 4 calculates according to the total weight signal and the speed signal that receive, obtain the average weight in every joint compartment and the quantity in compartment, will calculate the average weight in the every joint compartment that obtains then, the quantity and the speed signal in compartment sends to control computer 5;
Control computer 5 is utilized fuzzy control theory to obtain controlling and driving amount V, and described controlling and driving amount V is exported to control box 3 according to the average weight in every joint compartment, the quantity and the speed signal in compartment;
Control box 3 is given driving power 6 according to described controlling and driving amount V out-put supply drive signal, and driving power 6 slows down according to the 7 pairs of vehicles of power driving signal control speed reduction gearing that receive then; Speed reduction gearing 7 is also exported to control box 3 with the actual startup incremental data on on-the-spot hydraulic pressure deceleration top;
When vehicle passes through the outlet in this trand road, utilize the speed signal after second tachogenerator that is positioned at this exit obtains the vehicle speed governing, and the speed signal after this speed governing is sent to control box 3;
Speed signal after 3 pairs of speed governing that receive of control box carries out analog-to-digital conversion, and the speed signal after the speed governing after will changing sends to check weighing computing machine 4;
The speed signal of check weighing computing machine 4 after with the speed governing that receives is transmitted to control computer 5;
The speed signal of control computer 5 after according to genetic algorithm and the speed governing that receives is optimized the fuzzy control parameter table in the fuzzy control theory, and replaces fuzzy control parameter table in the fuzzy control theory with the fuzzy control parameter table after optimizing;
The specific embodiment three: different with embodiment one or two is, in the automatic speed regulation system based on the rolling stock of genetic algorithm of present embodiment, each retarding device is made up of a plurality of on-the-spot hydraulic pressure top of slowing down; Described a plurality of on-the-spot hydraulic pressure signal input part that the signal input part on top is connected in parallel as this retarding device that slows down links to each other with the signal output part of driving power 6.
The specific embodiment four: in conjunction with Fig. 3 present embodiment is described, different with embodiment three is, in the automatic speed regulation system based on the rolling stock of genetic algorithm of present embodiment, described a plurality of on-the-spot hydraulic pressure be connected in parallel signal output part as this retarding device of the signal output part on top that slows down starts the number signal input end with the deceleration top of control box 3 and links to each other, and the deceleration top of control box 3 starts the deceleration top startup number signal input end that the number signal mouth connects control computer 5.
The specific embodiment five: in conjunction with Fig. 4 present embodiment is described, different with embodiment one to four is, the automatic speed regulation system based on the rolling stock of genetic algorithm of present embodiment, it also comprises hand held console 9, the signal output part of hand held console 9 connects the manual control signal input end of control computer 5.
Described hand held console 9 is used for by controlling manually to control computer 5 output manual control signals;
Control computer 5 also is used for giving control box 3 according to the manual control signal output controlling and driving amount V that receives.
Present embodiment is exported manual control signals by hand held console 9 to control box 3, control box 3 out-put supply drive signals are given driving power 6 then, control the operation of speed reduction gearing 7 by driving power 6 according to the power driving signal that receives again, thereby realized speed control manually vehicle.
The specific embodiment six: in conjunction with Fig. 5 present embodiment is described, different with embodiment one to five is, in the automatic speed regulation system based on the rolling stock of genetic algorithm of present embodiment, described control box (3) comprises AD modular converter 3-1, CPU3-2, output module 3-4, amplification module 3-5 and power supply; AD modular converter 3-1 is provided with weight signal input end and N the first speed signal input end, the signal output part of AD modular converter 3-1 connects the signal input part of CPU3-2, the signal output part of CPU3-2 is as the signal output part of control box 3, the signal input part of output module 3-4 is as the controlling and driving amount input end of control box 3, the signal output part of output module 3-4 connects the signal input part of amplification module 3-5, the signal output part of amplification module 3-5 is as the power driving signal mouth of control box 3, the power supply mouth of power supply respectively with the power supply input end of AD modular converter 3-1, the power supply input end of CPU3-2, the power supply input end of output module 3-4 and the power supply input end of amplification module 3-5 link to each other.
Described AD modular converter 3-1 be used for each signal that receives is carried out analog-to-digital conversion, and each signal after will changing sends to CPU3-2;
Described CPU3-2 is used to receive each signal of AD modular converter 3-1 output, and with described each signal forwarding to check weighing computing machine 4;
Described output module 3-4 is used to receive the controlling and driving amount V from control computer 5, and described controlling and driving amount V is sent to amplification module 3-5;
Described amplification module 3-5 is used for described controlling and driving amount V is amplified, and the controlling and driving amount V after will amplifying then is forwarded to driving power 6;
Described power supply is used for providing working power to AD modular converter 3-1, CPU3-2 and output module 3-4 and amplification module 3-5.
The specific embodiment seven: in conjunction with Fig. 3 present embodiment is described, different with embodiment six is, in the automatic speed regulation system based on the rolling stock of genetic algorithm of present embodiment, also is provided with N second speed signal input part on the described AD modular converter 3-1.
The specific embodiment eight: in conjunction with Fig. 3 present embodiment is described, different with embodiment six or seven is, in the automatic speed regulation system based on the rolling stock of genetic algorithm of present embodiment, described control box 3 also comprises load module 3-3, load module 3-3 is provided with N signal input part, each retarding device is slowed down to push up by a plurality of on-the-spot hydraulic pressure and forms, described a plurality of on-the-spot hydraulic pressure be connected in parallel signal output part as this retarding device of the signal output part on top that slows down starts the number signal input end with the deceleration top of load module 3-3 and links to each other, the signal output part of load module 3-3 starts the number signal mouth as the deceleration of control box 3 top, the power supply mouth of power supply also with load module 3-3 the power supply input end link to each other.
Described load module 3-3, the on-the-spot hydraulic pressure that is used to the to receive speed reduction gearing 7 outputs startup incremental data on top that slows down, and the slow down startup incremental data on top of described on-the-spot hydraulic pressure sent to control computer 5.

Claims (8)

1. based on the automatic speed regulation system of the rolling stock of genetic algorithm, it is characterized in that it comprises weight measuring equipment (1), first test the speed equipment (2), control box (3), check weighing computing machine (4), control computer (5), driving power (6) and speed reduction gearing (7); First equipment (2) that tests the speed is made up of N first tachogenerator, and speed reduction gearing (7) is made up of N retarding device, and wherein N is a positive integer;
The signal output part of weight measuring equipment (1) connects the weight signal input end of control box (3), first signal output part that tests the speed N first tachogenerator in the equipment (2) connects N the first speed signal input end of control box (3) respectively, the weight signal mouth of control box (3) connects the weight signal input end of check weighing computing machine (4), the signal output part of check weighing computing machine (4) connects the signal input part of control computer (5), the drive signal mouth of control computer (5) connects the controlling and driving amount input end of control box (3), the power driving signal mouth of control box (3) connects the signal input part of driving power (6), driving power (6) has N signal output part, and each signal output part in the described N signal output part is connected with the signal input part of a retarding device respectively.
2. the automatic speed regulation system of the rolling stock based on genetic algorithm according to claim 1, it is characterized in that it also comprises second equipment (8) that tests the speed, described second equipment (8) that tests the speed is made up of N second tachogenerator, second N the second speed signal input part of signal output part connection control box (3) of N second tachogenerator that tests the speed equipment (8).
3. the automatic speed regulation system of the rolling stock based on genetic algorithm according to claim 1 is characterized in that each retarding device is made up of a plurality of on-the-spot hydraulic pressure top of slowing down; Described a plurality of on-the-spot hydraulic pressure signal input part that the signal input part on top is connected in parallel as this retarding device that slows down links to each other with the signal output part of driving power (6).
4. the automatic speed regulation system of the rolling stock based on genetic algorithm according to claim 3, it is characterized in that described a plurality of on-the-spot hydraulic pressure be connected in parallel signal output part as this retarding device of the signal output part on top that slows down starts the number signal input end with the deceleration top of control box (3) and links to each other, the deceleration top of control box (3) starts the deceleration that the number signal mouth connects control computer (5) and pushes up startup number signal input end.
5. the automatic speed regulation system of the rolling stock based on genetic algorithm according to claim 1, it is characterized in that it also comprises hand held console (9), the signal output part of hand held console (9) connects the manual control signal input end of control computer (5).
6. the automatic speed regulation system of the rolling stock based on genetic algorithm according to claim 1 is characterized in that described control box (3) comprises AD modular converter (3-1), CPU(3-2), output module (3-4), amplification module (3-5) and power supply; AD modular converter (3-1) is provided with weight signal input end and N the first speed signal input end, the signal output part connection CPU(3-2 of AD modular converter (3-1)) signal input part, CPU(3-2) signal output part is as the signal output part of control box (3), the signal input part of output module (3-4) is as the controlling and driving amount input end of control box (3), the signal output part of output module (3-4) connects the signal input part of amplification module (3-5), the signal output part of amplification module (3-5) is as the power driving signal mouth of control box (3), the power supply mouth of power supply respectively with the power supply input end of AD modular converter (3-1), CPU(3-2) power supply input end, the power supply input end of the power supply input end of output module (3-4) and amplification module (3-5) links to each other.
7. the automatic speed regulation system of the rolling stock based on genetic algorithm according to claim 6 is characterized in that also being provided with on the described AD modular converter (3-1) N second speed signal input part.
8. according to the automatic speed regulation system of the rolling stock based on genetic algorithm according to claim 6, it is characterized in that described control box (3) also comprises load module (3-3), load module (3-3) is provided with N signal input part, each retarding device is slowed down to push up by a plurality of on-the-spot hydraulic pressure and forms, described a plurality of on-the-spot hydraulic pressure signal output part that the signal output part on top is connected in parallel as this retarding device that slows down links to each other with the deceleration top startup number signal input end of load module (3-3), the signal output part of load module (3-3) starts the number signal mouth as the deceleration of control box (3) top, the power supply mouth of power supply also with load module (3-3) the power supply input end link to each other.
CN2010202246747U 2010-06-12 2010-06-12 Automatic speed-regulating system for railway vehicles based on genetic algorithm Expired - Fee Related CN201721465U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104290775A (en) * 2014-09-26 2015-01-21 哈尔滨市特多佳调速技术开发中心 Coupling area vehicle speed unit type automatic control system and control method thereof
CN109334713A (en) * 2018-10-17 2019-02-15 重庆交通大学 A kind of method of railway automatic block signal arrangement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104290775A (en) * 2014-09-26 2015-01-21 哈尔滨市特多佳调速技术开发中心 Coupling area vehicle speed unit type automatic control system and control method thereof
CN109334713A (en) * 2018-10-17 2019-02-15 重庆交通大学 A kind of method of railway automatic block signal arrangement
CN109334713B (en) * 2018-10-17 2020-08-04 重庆交通大学 Method for arranging railway automatic block signal machine

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