A review of modeling errors and control for time-delay systems utilizing the LDI criterion

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题名:	A review of modeling errors and control for time-delay systems utilizing the LDI criterion
作者:	Chung, Pei-Yin Yang, Han-Chung Chen, Cheng-Wu Chang, Chin-Jui
关键词:	Fuzzy Lyapunov method LDI T-S fuzzy systems artificial intelligence
日期:	2012
上传时间:	2012-09-26T02:04:32Z (UTC)
摘要:	Nonlinear systems sometimes suffer from modeling errors which could potentially result in instability and reduce the control performance of the actual systems. This paper reviews some previous research studies examining the sources of these errors and how to deal with them. In this work, a fuzzy Lyapunov function is defined through fuzzy blending quadratic Lyapunov functions to avoid conservatism in the stability conditions. Therefore, the neural network (NN) model based approach is provided and the fuzzy systems can be transferred into a linear difference inclusion (LDI) formulation. Time-delay stability conditions of closed-loop controlled systems are then derived based on robustness design to deal with the modeling error problems.
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