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Adaptive robust fuzzy control for robot manipulators

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2 Author(s)
Feng-Yih Hsu ; Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan ; Li-Chen Fu

This paper presents an adaptive robust fuzzy control architecture for robot manipulators motion. The control objective is to adaptively compensate for the unknown nonlinearity of robot manipulators, which is represented as a fuzzy rule-base consisting of a collection of if-then rules. The algorithm embedded in the proposed architecture can automatically update fuzzy rules and, consequently, it is guaranteed to be globally stable and to drive the tracking errors to a neighborhood of zero. Focused on realization, hardware limitations such as traditional long computation line and excessive memory-space usage are also related by incorporating heuristic concepts, which reveals the flexible feature of this architecture. The present work is applied to the control of a five degree-of-freedom (DOF) articulated robot manipulator. Simulation results show that the proposed control architecture is featured in fast convergence

Published in:

Robotics and Automation, 1994. Proceedings., 1994 IEEE International Conference on

Date of Conference:

8-13 May 1994