但是，固体浸没透镜光存储系统必须解决精密聚焦伺服问题和动态飞行高度控制问题。

But to use SIL recording, the problems of the focusing servo and the dynamically flying height control of the SIL must be solved.

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实践证明，神经PID控制策略能较好地解决电液位置伺服系统存在的问题，是一种实用可行的控制策略。

The results prove that Neural-PID can solve the problem of the electro-hydraulic position servo system and it is a practical and feasible control tactic.

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针对导弹电液伺服机构的跟踪控制问题，设计了一种基于滑模产生条件的模糊滑模控制方案。

Aiming at the tracking control problem of missile electro-hydraulic servo mechanism, a method of fuzzy sliding mode control based on sliding mode condition is presented.

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