研制了一种压电弯曲元件型压电驱动器，该驱动器用于电液伺服阀的电-机械转换器。
Developed a new type of piezoelectric bending actuator used as electrics-to-mechanics converter of a piezoelectric hydroelectric servo-valve.
第二章基于动铁式电-机械转换器的功能转换关系及其效率分析，概述了多种降低功耗的方法；
In chapter 2, based on analysis of energy conversion relation and efficiency of moving-iron type electromechanical converters, several methods for reducing power consumption are summarized.
与传统伺服阀相比，以新型功能材料为电-机械转换器的电液伺服阀，具有高频响、高精度和易于微型化等优点。
The electro-hydraulic servo valves in which some novel functional materials are applied to the actuators can have high frequency response and high precision and can be made by micromation.
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