A torque-ripple compensation scheme for harmonic drive systems

Yu-Shen Lu*, Shuan Min Lin, Markus Hauschild, Gerd Hirzinger

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

20 引文 斯高帕斯(Scopus)

摘要

This paper presents a scheme for controlling the output torque of a harmonic drive actuator equipped with a torque sensor. The proposed control is composed of a feedback control and a feedforward learning control, in which the feedback control shapes nominal system dynamics using the internal model control structure. The feedforward learning controller employs a disturbance observer (DOB) to evaluate compensation error of the feedforward control for the learning, so as to compensate for torque ripples induced by harmonic drives. Robust stability conditions of the proposed DOB-based learning control system are provided. Experimental results show the effectiveness of the proposed scheme in alleviating the major component of torque ripples whose frequency is twice the angular frequency of the input shaft.

原文英語
頁(從 - 到)357-365
頁數9
期刊Electrical Engineering
95
發行號4
DOIs
出版狀態已發佈 - 2013 十二月 1

ASJC Scopus subject areas

  • 電氣與電子工程
  • 應用數學

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