Robust adaptive sliding-mode control using fuzzy modeling for aninverted-pendulum system
Chaio-Shiung Chen; Wen-Liang Chen
Industrial Electronics, IEEE Transactions on
Volume 45, Issue 2, Apr 1998 Page(s):297 - 306
Digital Object Identifier   10.1109/41.681229
Summary:In this paper, a new robust adaptive control architecture is proposed for operation of an inverted-pendulum mechanical system. The architecture employs a fuzzy system to adaptively compensate for the plant nonlinearities and forces the inverted pendulum to track a prescribed reference model. When matching with the model occurs, the pendulum will be stabilized at an upright position and the cart should return to its zero position. The control scheme has a sliding control input to compensate for the modeling errors of the fuzzy system. The gain of the sliding input is automatically adjusted to a necessary level to ensure the stability of the overall system. Global asymptotic stability of the algorithm is established via Lyapunov's stability theorem. Experiments on an inverted-pendulum system are given to show the effectiveness of the proposed control structure

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