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.
再开发一个测试驱动模块，控制测试数据输入和测试结果输出。
Then, generate a testing drive module to control input testing data and output testing results.
利用TMS320F2812作为CPU设计了控制器主板，同时引出了串口和开关量输入输出模块。
The controller main-board is designed with TMS320F2812 as its CPU, and also sets the serial interface and input and output of the switching value on it .
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