摘要
针对电动汽车全电驱动特性,为提高其制动性能,设计了一种基于电磁直线执行器的全新线控制动单元——直驱电液制动单元.介绍了该制动单元的结构和原理,以某型制动器为基础,完成了样件改装和试制工作,并基于TMS320F2812数字信号处理器建立了制动单元控制和驱动系统,同时设计了双闭环抗干扰控制算法调控其制动力.试验结果表明,直驱电液制动单元响应迅速,能够准确调控制动力,具有良好的应用前景.
For the characteristics of full electric propulsion on electric vehicle, a novel brake-by-wire unit, called direct-drive electro-hydraulic brake unit, was designed to improve the braking performance of elec- tric vehicles based on an electromagnetic linear actuator. A prototype was modified and completed based on a certain type of hydraulic brake unit after the structure and principle of this novel brake unit was described in detail. Then, a braking force controller and a power driver were established based on the digital signal processor TMS320F2812, and a double-loop anti-disturb algorithm was designed to regulate the braking force. The experiment results show that the response time of this brake unit is very short and the brake force is able to be accurately regulated, showing that this brake unit has a good application prospect.
出处
《上海交通大学学报》
EI
CAS
CSCD
北大核心
2016年第3期395-400,共6页
Journal of Shanghai Jiaotong University
基金
江苏省科技支撑计划项目(BE2011137)
关键词
电磁直线执行器
直驱电液制动单元
数字信号处理器
功率驱动电路
电动汽车
electromagnetic linear actuator
direct-drive electro-hydraulic brake unit
digital signalprocessor
power circuit
electric vehicle
