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Metro vehicle traction/ braking redundancy control method

A technology of vehicle traction and redundant control, applied in the direction of locomotives, etc., can solve the problems of signal transmission channel interruption, the inability of the train to steplessly control, and the inability to realize electric-air hybrid braking, etc., to achieve the effect of improving reliability and improving operation efficiency.

Active Publication Date: 2017-01-25
CRRC NANJING PUZHEN CO LTD
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  • Summary
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AI Technical Summary

Problems solved by technology

Based on the network module control, when the train network module fails, the signal transmission channel necessary for traction and braking is interrupted, and the traction / braking function cannot be normally realized. Even if the emergency traction function is used, the train can only achieve limited traction With the braking function, the train cannot realize stepless control as normal, and it cannot realize electro-pneumatic hybrid braking, and can only use pure air braking. If the train function is affected, it can only be cleared and returned to the warehouse.

Method used

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  • Metro vehicle traction/ braking redundancy control method
  • Metro vehicle traction/ braking redundancy control method
  • Metro vehicle traction/ braking redundancy control method

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Embodiment Construction

[0015] In order to make the purpose and technical solutions of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0016] as attached image 3 A subway vehicle traction / brake redundant control method shown, the traction control unit and the brake control unit select the network control mode or the hard line control mode to collect the control instructions conveyed by the controller through the network hard line selection switch; In the network control mode, it also include...

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Abstract

The invention belongs to the field of metro vehicle electrical principle control, and particularly relates to a metro vehicle traction / braking redundancy control method. A traction control unit and a braking control unit select to use a network control mode or a rigid line control mode to collect a control command transmitted by a controller through a network rigid line selecting switch. Through a way of combining network control and rigid line control, the highly redundancy control of traction / braking is realized, and the reliability of metro vehicle traction / braking control is improved.

Description

technical field [0001] The invention belongs to the field of electrical principle control of subway vehicles, in particular to a traction / brake redundancy control method for subway vehicles. Background technique [0002] In the past, there were two methods of subway vehicle traction / braking control, one was based on hard-line control, and the other was based on network control. [0003] The earliest traction / brake control adopts hard-wire control, and the block diagram of the control principle is attached figure 1 Shown: The traction, braking, and direction commands output by the driver controller or ATC are directly transmitted to the traction control unit and the braking control unit through hard wires, and the traction force / braking force demand value is converted into PWM waves by the encoder and then transmitted to the traction control unit unit and braking control unit, the traction control unit and braking control unit realize the traction and braking functions of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61C17/00
CPCB61C17/00
Inventor 肖飞卢庆杨小虎梁汝军曾要争胡佳乔章义丁朝奉李云川
Owner CRRC NANJING PUZHEN CO LTD
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