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Identification and compensation of nonlinearity for airborne electromechanical actuator based on Matlab/dSPACE

  • Yunhua Li
  • , Juntao Jia
  • , Shenglin Zhao
  • , Wei Liu
  • , Jiaxing Li
  • , Zhenjin Nie
  • , Hao Lu
  • Beihang University
  • 18th Institute of China Astro. Sci. and Tech. Co. Ltd

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Focused on the improvement of the tracking accuracy of an electromechanical actuator (EMA), the methods of identification and compensation for nonlinearity of friction and transmission backlash are studied. The mathematical models based on the LuGre friction and the hysteresis backlash are established for the EMA with position loop and speed loop controllers, and the model parameter identification is carried out in this paper. According to the identified nonlinearity models, the friction is compensated through a feed-forward method, and the backlash is compensated simultaneously through an inverse model as well. The experiment is carried out through hardware in the loop simulation platform based on Matlab/dSPACE. The accuracy of the nonlinear models and the effectiveness of compensation are verified through the experiment. The experiment shows that the position tracking error and the speed tracking error are greatly reduced after compensation.

源语言英语
主期刊名Proceedings of the 13th IEEE Conference on Industrial Electronics and Applications, ICIEA 2018
出版商Institute of Electrical and Electronics Engineers Inc.
2612-2617
页数6
ISBN(电子版)9781538637579
DOI
出版状态已出版 - 26 6月 2018
活动13th IEEE Conference on Industrial Electronics and Applications, ICIEA 2018 - Wuhan, 中国
期限: 31 5月 20182 6月 2018

出版系列

姓名Proceedings of the 13th IEEE Conference on Industrial Electronics and Applications, ICIEA 2018

会议

会议13th IEEE Conference on Industrial Electronics and Applications, ICIEA 2018
国家/地区中国
Wuhan
时期31/05/182/06/18

联合国可持续发展目标

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  1. 可持续发展目标 7 - 经济适用的清洁能源
    可持续发展目标 7 经济适用的清洁能源

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