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URN etd-0819104-190226 Statistics This thesis had been viewed 3589 times. Download 1350 times. Author Keng-Hao Chang Author's Email Address No Public. Department Electrical Engineering Year 2003 Semester 2 Degree Master Type of Document Master's Thesis Language English Page Count 41 Title DESIGN OF SLIDING MODE CONTROLLER
WITH ROBUST STATE OBSERVER FOR
Keyword time delay sliding mode observer observer sliding mode time delay Abstract The problem of stabilizing a class of perturbed linear dynamic systems with time delay is investigated in this thesis. By applying the Lyapunov stability theorem, we develop integral variable structure controller to drive the output of system to approach the desired signal asymptotically. Based on the integral variable structure control technique, while the system is in the sliding mode, the dynamic equations of the closed-loop system can be reduced to a linear form and all the poles can be arbitrarily assigned.
In addition, while the state variables are not available for measurement, based on LMI approach we propose an improved robust to estimate state variables, and apply the integral sliding mode controller to guarantee the tracking performance.
Finally, two numerical examples are given to illustrate the feasibility of the proposed control methodology. One of the simulation results is to demonstrate the improved robust observer can obtain good performance and the other example is given to demonstrate the validity of the proposed control scheme.
Advisor Committee Chung-Chun Kung - advisor
Chiang-Cheng Chiang - co-chair
Ching-Chang Wong - co-chair
Files Date of Defense 2004-07-13 Date of Submission 2004-08-19