Train traction control system

A technology of train traction control and motor control, which is applied in general control systems, control/adjustment systems, test/monitoring control systems, etc., can solve problems such as inconvenient use, poor control accuracy and performance, single interface, etc., and achieve control accuracy And the effects of high control performance, easy debugging, and various interfaces

Inactive Publication Date: 2016-10-26
CHENGDU YUNDA TECH CO LTD
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0006] The invention provides a train traction control system, which solves the technical problems that the existing train traction control system has a single interface, is not easy to use, and has poor control accuracy and control performance, and realizes various interfaces of the train traction control system. Rich, easy to debug, and the control system has high control accuracy and control performance, which can meet the needs of train operation. The motor parameter identification error is not greater than ±10%. The wheel flange speed and creep speed of the moving shaft can be controlled and the creep speed The technical effect of 5km / h

Method used

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Embodiment 1

[0045] Please refer to Figure 1-Figure 2 , the application provides a train traction control system, this example can realize the closed-loop control of train traction / electric braking, with two control modes of network and emergency, constant speed control function, emergency traction function, empty and heavy vehicle adjustment function, Main circuit logic control and perfect fault protection function.

[0046] figure 2 The digital IO board, auxiliary board, motor signal board, and AD board are external data acquisition boards of the system, which respectively realize digital signal acquisition, temperature and pressure signal acquisition, electric braking force, handle level and speed signal acquisition, main circuit voltage and current The sensor signal is collected, and the collected control signal is sent to the main control board and the motor control board through the bus to provide input for the train traction control. The above-mentioned boards are realized by tw...

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Abstract

The invention discloses a train traction control system. The system comprises a digital signal acquisition unit 1, a temperature / pressure signal acquisition unit 2, a master control unit 3, a fan control unit 4, a motor control type signal acquisition unit 5, a motor control unit 6, a pulse conversion processing unit 7, a data storage unit 8, a power supply and backboard 9, a system bus 10 and an internal rapid bus 11. The train traction control system has the following technical effects: interface diversity of the train traction control system is realized, functions are rich, debugging is facilitated, control precision and control performance of the control system are quite high, the operation demand of a train can be satisfied, motor parameter identification errors are not greater than + / -10%, the moving shaft wheel rim speed and the creeping speed are both controllable, and the creeping speed is smaller than 5km / h.

Description

technical field [0001] The invention relates to the technical field of train traction control, in particular to a train traction control system. Background technique [0002] Train traction control unit (Drive Control Unit), referred to as DCU, is an important part of the train traction drive system, which can realize the control of the traction inverter and brake chopper, that is, receive the main breaker closing from the train central control unit , direction, traction / braking and other commands and the feedback signals of various sensors, output the traction main circuit switch control signal, control the traction main circuit, make the motor output the required torque and power, and send the electric braking information and idling / Coasting information is passed to the brake control unit. At the same time, the traction control unit also has comprehensive fault diagnosis and protection functions, and adopts joint protection measures of hardware and software to ensure th...

Claims

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Application Information

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IPC IPC(8): G05B23/02
CPCG05B23/0213
Inventor 崔恒斌王玉松王娜
Owner CHENGDU YUNDA TECH CO LTD
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