In this study, a new finite time control method is suggested for robotic manipulators based on nonsingular fast terminal sliding variables and the adaptive super-twisting method. First, to avoid the singularity drawback and achieve the finite time convergence of positional errors with a fast transient response rate, nonsingular fast terminal sliding variables are constructed in the position errors' state space. Next, adaptive tuning laws based on the super-twisting scheme are presented for the switching control law of terminal sliding mode control (TSMC) so that a continuous control law is extended to reject the effects of chattering behavior. Finally, a new finite time control method ensures that sliding motion will take place, regardless of the effects of the perturbations and uncertainties on the robot system. Accordingly, the stabilization and robustness of the suggested control system can be guaranteed with high-precision performance. The robustness issue and the finite time convergence of the suggested system are totally confirmed by the Lyapunov stability principle. In simulation studies, the experimental results exhibit the effectiveness and viability of our proposed scheme for joint position tracking control of a 3DOF PUMA560 robot.
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March 2019
Research-Article
A New Finite Time Control Solution for Robotic Manipulators Based on Nonsingular Fast Terminal Sliding Variables and the Adaptive Super-Twisting Scheme
Vo Anh Tuan,
Vo Anh Tuan
School of Electrical Engineering,
University of Ulsan,
93 Daehak-ro, Nam-gu,
Ulsan 680-749, South Korea
e-mail: voanhtuan2204@gmail.com
University of Ulsan,
93 Daehak-ro, Nam-gu,
Ulsan 680-749, South Korea
e-mail: voanhtuan2204@gmail.com
Search for other works by this author on:
Hee-Jun Kang
Hee-Jun Kang
School of Electrical Engineering,
University of Ulsan,
93 Daehak-ro, Nam-gu,
Ulsan 680-749, South Korea
e-mail: hjkang@ulsan.ac.kr
University of Ulsan,
93 Daehak-ro, Nam-gu,
Ulsan 680-749, South Korea
e-mail: hjkang@ulsan.ac.kr
Search for other works by this author on:
Vo Anh Tuan
School of Electrical Engineering,
University of Ulsan,
93 Daehak-ro, Nam-gu,
Ulsan 680-749, South Korea
e-mail: voanhtuan2204@gmail.com
University of Ulsan,
93 Daehak-ro, Nam-gu,
Ulsan 680-749, South Korea
e-mail: voanhtuan2204@gmail.com
Hee-Jun Kang
School of Electrical Engineering,
University of Ulsan,
93 Daehak-ro, Nam-gu,
Ulsan 680-749, South Korea
e-mail: hjkang@ulsan.ac.kr
University of Ulsan,
93 Daehak-ro, Nam-gu,
Ulsan 680-749, South Korea
e-mail: hjkang@ulsan.ac.kr
1Corresponding author.
Contributed by the Design Engineering Division of ASME for publication in the JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS. Manuscript received September 14, 2018; final manuscript received December 6, 2018; published online January 11, 2019. Assoc. Editor: Tsuyoshi Inoue.
J. Comput. Nonlinear Dynam. Mar 2019, 14(3): 031002 (10 pages)
Published Online: January 11, 2019
Article history
Received:
September 14, 2018
Revised:
December 6, 2018
Citation
Anh Tuan, V., and Kang, H. (January 11, 2019). "A New Finite Time Control Solution for Robotic Manipulators Based on Nonsingular Fast Terminal Sliding Variables and the Adaptive Super-Twisting Scheme." ASME. J. Comput. Nonlinear Dynam. March 2019; 14(3): 031002. https://doi.org/10.1115/1.4042293
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