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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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基于全桥半桥切换的EPS系统滑模控制的分析与设计
, PP. 131-135
Keywords: 汽车工程,电动助力转向,全桥,半桥,滑模控制
Abstract:
基于建立的电动助力转向系统(EPS)动态模型,以电动助力转向系统为研究对象,首先分析EPS系统的功率驱动电路的两种驱动方式,分析了全桥、半桥功率驱动原理,推导出平均电流表达式,并依此设计了全桥、半桥切换器。根据滑模控制的基本原理,利用EPS系统中助力电机的模型,设计出一种简单实用的滑模控制器。仿真和试验结果表明,该控制器有很好的控制效果,克服了传统控制器不能很好解决系统中的非线性的问题,使得EPS系统具有很好的动态性能。
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