Robust Limit Cycle Suppression for Control Systems with Parametric Uncertainty and Nonlinearity |
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Authors: | Huang Ying J Kuo Tzu C Lee Hsiang K |
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Institution: | (1) Department of Electrical Engineering, Yuan Ze University, 135 Far-East Road, Chungli, 320, Taiwan, Republic of China |
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Abstract: | A systematic limit cycle suppression method is presented to predict and suppress the sustained limit cycles persisting in
a class of uncertain control systems containing inherent nonlinearity. The aim is to determine the feasible controller parameter
sets in the parameter plane for the entire uncertain system. A family of constant limit cycle amplitude loci is plotted. Successful
application to pitch orientation control system with parametric uncertainties and nonlinearity is demonstrated. System output
response is further investigated. |
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Keywords: | limit cycle nonlinearity parametric uncertainties robustness |
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