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本文介绍了电动助力转向器的工作原理。根据电控单元的输入信号车辆速度、发动机转速和扭矩不同特点采用了不同的处理方式。采用H桥电路作为助力电机的驱动,并为电控单元各部分设计了监控电路,分析系统的电源电路,确定了电控单元的硬件系统构成,对电控单元进行了初步测试,达到了设计要求。
This article describes the working principle of electric power steering. According to the electronic control unit input signal vehicle speed, engine speed and torque using different characteristics of different treatment. The H-bridge circuit is used as the drive of the booster motor. The monitoring circuit is designed for each part of the electronic control unit. The power circuit of the system is analyzed. The hardware structure of the electronic control unit is determined. The preliminary test of the electronic control unit is achieved. Claim.