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Decentralized neural network control for guaranteed tracking error constraint of a robot manipulator

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Abstract

In this paper, a new constrained error variable similar to sliding mode surface (SMC) is proposed to ensure a prescribed position tracking performance of a robot manipulator. A decentralized controller using this constrained error variable and a radial basis function network (RBF) is designed. The proposed decentralized and constrained control system ensures a prescribed transient and steady-state time positioning performance of the decentralized manipulator components without violation of the prescribed performance. The effectiveness of the proposed decentralized and robust control scheme was determined by comparing the results of simulated and experimental evaluation with the conventional SMC and finite-time terminal SMC methods.

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Authors and Affiliations

Authors

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Correspondence to Jang-Myung Lee.

Additional information

Recommended by Associate Editor Seul Jung under the direction of Editor Fuchun Sun.

This work was supported by the National Research Foundationof Korea (NRF) Grant funded by the Korean Government (MSIP)(NRF-2013R1A1A2021174).

Seong-Ik Han received his B.S. and M.S. degrees in Mechanical Engineering from Pusan National University, Busan, Korea, in 1987 and 1989, respectively, and his Ph.D. in Mechanical Design Engineering from Pusan National University, Busan,in 1995. From 1995 to 2009, he was an associate professor of electrical automation of Suncheon First College, Korea. Now he is with the Department of electronic engineering, Pusan National University, Korea. His research interests include intelligent control, nonlinear control, robotic control, vehicle system control, and steel process control.

Jang-Myung Lee received his B.S. and M.S. degree in electronic engineering from Seoul National University, Seoul,Korea, in 1980 and 1982, respectively,and his Ph.D. degree in computer engineering from the University of Southern California, Los Angeles, in 1990. Since 1992, he has been a Professor with Pusan National University, Busan, Korea. He was the Leader of the “Brain Korea 21 Project” of Pusan National University. His research interests include intelligent robotics, advanced control algorithm, and specialized environment navigation/localization. Prof. Lee was the former presidentof the Korean Robotics Society.

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Han, SI., Lee, JM. Decentralized neural network control for guaranteed tracking error constraint of a robot manipulator. Int. J. Control Autom. Syst. 13, 906–915 (2015). https://doi.org/10.1007/s12555-014-0132-2

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  • DOI: https://doi.org/10.1007/s12555-014-0132-2

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