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Descripción
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| tIn this paper, a fuzzy based Variable Structure Control (VSC) with guaranteed stability is presented. Themain objective is to obtain an improved performance of highly non-linear unstable systems. The maincontribution of this work is that, firstly, new functions for chattering reduction and error convergencewithout sacrificing invariant properties are proposed, which is considered the main drawback of the VSCcontrol. Secondly, the global stability of the controlled system is guaranteed.The well known weighting parameters approach, is used in this paper to optimize local and globalapproximation and modeling capability of T-S fuzzy model.A one link robot is chosen as a nonlinear unstable system to evaluate the robustness, effectivenessand remarkable performance of optimization approach and the high accuracy obtained in approximatingnonlinear systems in comparison with the original T-S model. Simulation results indicate the potentialand generality of the algorithm. The application of the proposed FLC-VSC shows that both alleviation ofchattering and robust performance are achieved with the proposed FLC-VSC controller. The effectivenessof the proposed controller is proven infront of disturbances and noise effects. | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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APPLIED SOFT COMPUTING |
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ISSN
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1568-4946 |
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Factor de impacto JCR
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2,679 |
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Información de impacto
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(Q1, nº 14 de 102 en COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS) |
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Volumen
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13 |
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DOI
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10.1016/j.asoc.2013.07.026 |
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Número de revista
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12 |
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Desde la página
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4802 |
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Hasta la página
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4812 |
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Mes
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DICIEMBRE |
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Ranking
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(Q1, nº 14 de 102 en COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS) |