A precise long displacement control in a teflon sealed linear actuator.

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  • テフロンシール形低摩擦リニヤアクチュエータ上における干渉信号補正式時間最適精密長変位制御
  • テフロンシールガタ テイ マサツ リニ

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Abstract

A new technique where digital long displacement control and analog precise positioning are sequentially combined is studied experimentally. In the digital process, only a set of single pulse brake control and proportional control is needed to get a time optimal response, and in the analog process, teflon guides to maintain the steady movement of piston and an automatic bias adjustment of the interference signal are available to keep the accuracy of controlled displacement. In the experiment a total maximum error 8.4×10-4μm is recorded.

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