Ming-Li Chiang

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In this paper, we discuss the problem of adaptive control of autonomous switched systems. Classical adaptive control for continuous systems has properties such as bounded signals and or convergence of the output error. Here, we derive similar results for switched systems with adaptive control using stability theory of switched systems. Zero output tracking(More)
Thin silicate platelets in a dimension of approximately 80 x 80 x 1 nm(3) are isolated for the first time by a newly developed process involving one-step exfoliation of natural montmorillonite clay and toluene/aqueous NaOH extraction. The platelets are observed to be polygon shape by transmission electron microscopy (TEM) and round bent-leaf shape by(More)
This paper considers the control problem of switched linear systems with unknown parameters and unknown switching signals. For the considered system, robust model reference adaptive control (MRAC) approach can only guarantee error boundedness under an average dwell time (ADT) condition which is implicit and is difficult to estimate. We propose a variable(More)
In this paper, we discuss the model reference adaptive control problem of switched linear systems with unknown parameters. Since we do not have information about the system parameters nor the possible abrupt changes of parameters, conventional integral adaptive law do not function well for switched systems. We propose a variable structure based adaptive(More)