对系统总体设计方案进行了研究分析，硬件设计中详细介绍了控制回路的电流检测模块、电机转速和位置检测模块、PWM输出和故障输入电路。

The overall design scheme is researched. The hardware of current detection module, motor speed and location detection module and PWM output and fault input module is introduced in detail.

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通过实践指出，采用总线控制的车辆，无论是总线网络出现故障还是挂在总线上的任一控制模块出现故障，都可能对其它控制模块(或部件)产生影响，使其不能工作。

Based on practice, troubles in data bus or troubles in control module for the car with data bus control can affect on the other control modules make them do not work.

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负责电子控制模块微控制器接口的故障诊断。

Trouble Shoot Electronics control Module Microcontroller Interface.

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