Mechanism and impedance control of pneumatic servo driving system for resistance spot welding

Bo Wang*, Tao Wang, Wei Fan, Yu Wang

*此作品的通讯作者

科研成果: 期刊稿件会议文章同行评审

摘要

In this paper, a mechanism of pneumatic servo driving system for resistance spot welding is designed. Impedance control is adopted to control the position and output force of pneumatic servo system simultaneously. It can achieve contact stability in the transition process from free motion to contact. In order to increase the performance of force tracking, a PID force controller is also used after steady contact. The validity of proposed method of impedance control is verified through computer simulation results.

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