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Controller of electronic and mechanical braking car stability control system

An electro-mechanical braking and stability control technology, applied in general control systems, control/regulating systems, brakes, etc., can solve problems such as undeveloped hardware systems, improve operational stability, suppress yaw and yaw , the effect of good scalability

Inactive Publication Date: 2011-02-02
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the research on electronic mechanical brake vehicle stability control system at home and abroad is in the control prototype development stage, and the corresponding hardware system has not been developed.

Method used

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  • Controller of electronic and mechanical braking car stability control system
  • Controller of electronic and mechanical braking car stability control system
  • Controller of electronic and mechanical braking car stability control system

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Experimental program
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Embodiment Construction

[0030] The present invention is described in detail below in conjunction with accompanying drawing:

[0031] refer to figure 1 and figure 2 , figure 1 The middle is a schematic diagram of the structure of the vehicle that represents the controller of the electronic mechanical braking vehicle stability control system according to the present invention. The controller of the electronic mechanical braking vehicle stability control system is the core of the entire system. According to the collected wheel speed , wheel brake pressure, body longitudinal / lateral acceleration, body yaw rate, steering wheel angle and other signals, run the control algorithm of the stability control system to obtain four target brake pressures and transmit them to the electromechanical system of the four wheels The controller (EMB controller) of the braking system, so as to realize the adjustment of the brake pressure. There are two options for the transmission of signals between the vehicle stabili...

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PUM

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Abstract

The invention discloses a controller of an electronic and mechanical braking car stability control system, which comprises a single chip microcomputer system and a computer control program, wherein the single chip microcomputer system comprises a single chip microcomputer, a clock circuit of the single chip microcomputer, a reset circuit, a 24-5 V power supply circuit, a 5-12 V power supply circuit, a 5-15 V power supply circuit, an analog input circuit 1, an analog input circuit 2, a switching signal input circuit, a steering wheel rotating angle signal input circuit, a pulse input circuit, a CAN (Controller Area Network) communication circuit, a serial communication circuit and an analog output circuit; the input end of the 5-12 V power supply circuit is connected with the output end of 5 V voltage in the 24-5 V power supply circuit through a VCC (Virtual Channel Connection) wire; and the input end of the 5-15 V power supply circuit is connected with the output end of 5 V voltage in the 24-5 V power supply circuit through a VCC wire. The single chip microcomputer is connected with other circuits respectively through wires. The model of the adopted single chip microcomputer is MC9S12XDP512.

Description

technical field [0001] The invention relates to an electronic control device applied to automobiles. More specifically, it relates to a controller for a stability control system on a car with electromechanical braking. Background technique [0002] Electro-mechanical Brake (EMB for short) is a new type of automotive braking system that uses motor-driven actuators to generate braking force, with faster response, higher transmission efficiency, and easier integration of electronic control systems. It conforms to the development trend of automobile modularization, integration and mechatronics. The vehicle stability control system (Vehicle Stability Control, referred to as VSC) is an active safety system for automobiles. It uses the on-board sensing system to identify the state of the vehicle and the intention of the driver, and then conducts comprehensive coordinated control of the engine torque and wheel braking force. Realize wheel anti-lock and stability control under brak...

Claims

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Application Information

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IPC IPC(8): B60T8/17B60T8/1755G05B19/048B60T8/58
Inventor 李静张建杨坤夏鹏飞魏青刘广辉王梦春
Owner JILIN UNIV