Previous work in robot teleoperation focused on the movement of a robot's end-effector by a human operator. However, a lack of pose control in teleoperation resulted in the robot arm frequently colliding with obstacles. Furthermore, even with pose control, it is still difficult for the robot to quickly and accurately move to the target due to mechanical discrepancies between human and robot. This paper proposes a semi-autonomous method to teleoperate the robot arm by integrating whole-arm teleoperation in joint-space control and autonomous end-effector position control. The proposed method is validated through experimental work on a robot arm with 6 degrees of freedom, with results showing significant improvement in human control for reaching for objects safely, quickly, and accurately.
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National Taipei University of Technology,
e-mail: sofin@ntut.edu.tw
National Taipei University of Technology,
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Enhanced Whole-Arm Robot Teleoperation Using a Semi-Autonomous Control Policy
Hsien-I Lin,
National Taipei University of Technology,
e-mail: sofin@ntut.edu.tw
Hsien-I Lin
Graduate Institute of Automation Technology
,National Taipei University of Technology,
Taipei 10608,
Taiwan
e-mail: sofin@ntut.edu.tw
Search for other works by this author on:
Chi-Li Chen
National Taipei University of Technology,
Chi-Li Chen
Graduate Institute of Automation Technology
,National Taipei University of Technology,
Taipei 10608,
Taiwan
Search for other works by this author on:
Hsien-I Lin
Graduate Institute of Automation Technology
,National Taipei University of Technology,
Taipei 10608,
Taiwan
e-mail: sofin@ntut.edu.tw
Chi-Li Chen
Graduate Institute of Automation Technology
,National Taipei University of Technology,
Taipei 10608,
Taiwan
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received August 2, 2012; final manuscript received December 12, 2013; published online February 19, 2014. Assoc. Editor: Alexander Leonessa.
J. Dyn. Sys., Meas., Control. May 2014, 136(3): 034502 (6 pages)
Published Online: February 19, 2014
Article history
Received:
August 2, 2012
Revision Received:
December 12, 2013
Citation
Lin, H., and Chen, C. (February 19, 2014). "Enhanced Whole-Arm Robot Teleoperation Using a Semi-Autonomous Control Policy." ASME. J. Dyn. Sys., Meas., Control. May 2014; 136(3): 034502. https://doi.org/10.1115/1.4026310
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