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An intelligent vibration reduction coordination system applied to high-speed trains and its control method

A technology for intelligent vibration reduction and high-speed trains, which is applied in the direction of the device for lateral relative movement between the underframe and the bogie, and can solve problems such as reduced resistance

Active Publication Date: 2022-07-22
SHIJIAZHUANG TIEDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the train turns, the traditional secondary transverse shock absorber and anti-snake shock absorber are required to reduce the resistance force between the train and the track and increase the life of the train and track, but the traditional secondary transverse shock absorber and anti-snake shock absorber are It is a passive action, after receiving the force of the track, the corresponding deformation occurs

Method used

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  • An intelligent vibration reduction coordination system applied to high-speed trains and its control method
  • An intelligent vibration reduction coordination system applied to high-speed trains and its control method
  • An intelligent vibration reduction coordination system applied to high-speed trains and its control method

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specific Embodiment 1

[0045] Specific embodiment 1, the sensing unit includes a first inclination sensor, a second inclination sensor and a speed sensor provided on the head vehicle, the first inclination sensor is installed on the vehicle body, and is used for measuring the roll angle of the vehicle body; The second inclination sensor is installed on the front bogie frame and is used to measure the roll angle of the frame; the speed sensor is used to detect the running speed of the train, and the vibration damping unit includes a lateral damper and an anti-serpentine damper , the cooperative controller is signal-connected to the lateral shock absorber and the anti-serpentine shock absorber.

[0046] Attached to the manual Figure 8 As shown, the body roll angle and the frame roll angle are both used to measure the inclination angle between the body and the horizontal plane, and three mutually perpendicular coordinate axes x, y, and z are drawn through the center of gravity O of the body. It has 6...

specific Embodiment 2

[0059] An intelligent vibration-damping collaborative control method applied to high-speed trains, the method is based on an intelligent vibration-damping collaborative system applied to high-speed trains, and includes a preprocessing step and an application step, wherein the preprocessing step includes:

[0060] S1-1, linearize the damping data to obtain the range of damping coefficients output by the lateral shock absorber and the anti-serpentine shock absorber, as well as the input current and output damping of the lateral shock absorber and the anti-serpentine shock absorber the corresponding relationship of the coefficients, and adjust the threshold value of the control current output by the cooperative controller to the lateral vibration damper and the anti-serpentine vibration damper, so that the control current output by the cooperative controller and the lateral vibration damping Linear alignment of the damping coefficient output by the damper and the anti-serpentine s...

specific Embodiment 3

[0073] When the speed is greater than 200km / h and less than 220km / h, and both the first inclination sensor and the second inclination sensor are lower than the set value (use q 1 and q 2When the train is running in a straight line, the cooperative controller converts the corresponding damping coefficient into a current regulation value and inputs it to the two types of shock absorbers, and the two types of shock absorbers provide the corresponding damping force;

[0074] When the speed is greater than 200km / h and less than 220km / h, and the first inclination sensor and the second inclination sensor are both larger than the set value, the train is passing through the curve, and the cooperative controller inputs the corresponding current regulation value to the two types of vibration reduction The two types of shock absorbers provide corresponding damping force;

[0075] In the state judgment step, when the speed range is between 200km / h-220km / h, record the collection value of t...

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Abstract

The invention relates to an intelligent vibration reduction coordination system applied to high-speed trains and a control method thereof, belonging to the technical field of rail train control, comprising a vibration reduction unit, the vibration reduction unit being respectively arranged in each carriage, and characterized in that it further comprises: an induction unit and a cooperative controller, the induction unit includes an inclination sensor and a speed sensor, the induction unit is used to detect the train inclination and the speed of the train, the output end of the induction unit is connected to the signal input end of the cooperative controller, A delay module is arranged between each car, and the delay module is used to adjust the damping coefficient output by the vibration reduction unit of each car according to the time difference when each car of the train passes the same point. According to the actual situation, actively adjust the state of the wheel to adapt to the rail, reduce the force between the rail and the wheel when the motion state changes, improve the service life of the wheel and the rail, and improve the comfort and operational safety and stability of the train.

Description

technical field [0001] The invention belongs to the technical field of rail train control, and relates to a collaborative system and a control method thereof, in particular to a collaborative system of multiple intelligent shock absorbers applied to a train and a control method thereof. Background technique [0002] Rail transit has the advantages of large capacity, high efficiency and convenient ride, and its emergence has greatly solved the problem of urban traffic congestion; rail transit trains mainly refer to a type of transportation that needs to travel on specific tracks. The train operation control system is a technical equipment that supervises, controls and adjusts the state of train operation speed and braking mode according to the objective conditions and actual conditions on the train operation line. The existing train operation control systems include train control and management systems and on-board control systems. [0003] When the train turns, the traditio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B61F5/12B61F5/02
CPCB61F5/12B61F5/02
Inventor 杨绍普赵义伟刘永强廖英英胡金天王鹏
Owner SHIJIAZHUANG TIEDAO UNIV
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