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A Variable Admittance Control Strategy for Robotic Constraints Avoidance Based on Virtual Fixtures

  • Zeyu Li
  • , Hongxing Wei
  • , Chengguo Liu*
  • , Haochen Zhang
  • , Gang Liu
  • *此作品的通讯作者
  • Beihang University
  • Chongqing University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Robotic constraints avoidance is important for collaborative robots to achieve safe interactions with operators. However, it is difficult to simultaneously handle the various constraints which are described in different space. In this research, a control framework is proposed for solving the problem of robotic constraints avoidance based on virtual fixtures and adaptive admittance control. Specifically, different constraints are evaluated by geometric distances and redescribed as potential fields in Cartesian space. Then, a virtual repulsive force is generated with considering operator's intention to drive robot away from the constraint areas. Furtherly, an adaptive admittance controller is constructed to ensure the stability of system. Simulations are conducted on AUBO I5 robots under three scenarios and the effectiveness of the proposed framework in handling robot's self-collision, workspace collision, configuration singularity and joint-limit violation is verified.

源语言英语
主期刊名2023 IEEE International Conference on Robotics and Biomimetics, ROBIO 2023
编辑Mehmet Dogar, Bin Fang, Dimitrios Kanoulas, Jia Pan, Alessandra Sciutti, Moju Zhao, Guanjun Bao, Bimbo Joao, Boyle Jordan Hylke, He Chen, Chen Teng, Yunduan Cui, Dagnino Giulio, Wenbo Ding, Liang Du, Farinha Andre, Yuan Gao, Hasegawa Shun, Liang He, Taogang Hou, Zhe Hu, Zhong Huang, Jackson-Mills George, Yunfeng Ji, Jirak Doreen, Feng Ju, Kaddouh Bilal, Kim Wansoo, Takuya Kiyokawa, Haiyuan Li, Peng Li, Shihao Li, Xu Li, Jianfeng Liao, Ling Jie, Chunfang Liu, Quanquan Liu, Liang Lu, Qiuyue Luo, Yudong Luo, Zebing Mao, Martinez-Hernandez Uriel, Matsuno Takahiro, Nguyen Thanh Luan, Nishio Takuzumi, Pasquali Dario, Pierella Camilla, Chao Ren, Ricci Serena, Rossini Luca, Shi Fan, Summa Susanna, Rongchuan Sun, Zhenglong Sun, Vannucci Fabio, Gang Wang, Wei Wang, Xin Wang, Yuquan Wang, Ziya Wang, Qingxiang Wu, Xiaojun Wu, Yuxin Sun, Youcan Yan, Lei Yang, Yanokura Iori, Jingfan Zhang, Shuai Zhang, Tianwei Zhang, Jinglei Zhao, Na Zhao, Chengxu Zhou, Peng Zhou, Haifei Zhu
出版商Institute of Electrical and Electronics Engineers Inc.
ISBN(电子版)9798350325706
DOI
出版状态已出版 - 2023
活动2023 IEEE International Conference on Robotics and Biomimetics, ROBIO 2023 - Koh�Samui, 泰国
期限: 4 12月 20239 12月 2023

出版系列

姓名2023 IEEE International Conference on Robotics and Biomimetics, ROBIO 2023

会议

会议2023 IEEE International Conference on Robotics and Biomimetics, ROBIO 2023
国家/地区泰国
Koh�Samui
时期4/12/239/12/23

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