Spark states of the gap are the base of servo control in EDM, so it is very important to test them.

在电火花加工中，间隙放电状态是伺服控制的依据，因此间隙放电状态的检测非常重要。

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And adopting the method in which including periodical detecting and local detecting of gap discharge state, the servo feed control-system based on fuzzy control technology was designed.

在此基础上，采用控制周期总体间隙状况和局部短路的伺服控制策略，建立了基于模糊控制技术的回转式电火花展成加工伺服进给控制系统。

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