文中还提出了基于电压信号检测的功率管及主电路故障检测、定位方法。
A new means of MOSFET fault detection and location based on voltage signal measuring is also described in the thesis.
分析了LGK系列空气等离子弧切割机的使用方法，例举了其引弧故障、主电路故障、气路故障、割枪故障产生的原因和解决方法。
This paper analyses the usage of LGK series of air plasma arc cutting machine, and enumerates the causes and solutions of striking arc, main circuit, gas path and cutting torch breakdown.
故障检测部分包括主处理芯片的选择、针对主处理器的外围电路的扩展、数据通信方式的确定和抗干扰方法的选择。
The detection method of mechanical faulty includes how to choice the microprocessor and how to extend the circuit. The communication methods and the anti-interfere has been decided.
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