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A class of switched neutral system analysis and control

Author: SunYaNan
Tutor: XiangZuoZuo
School: Nanjing University of Technology and Engineering
Course: Control Theory and Control Engineering
Keywords: Switched neutral systems The average dwell time method LMI Asynchronous switching Mixed Delays Limited time
CLC: TP13
Type: Master's thesis
Year: 2012
Downloads: 31
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Abstract


Switched neutral systems is an important branch switching system . Since many real systems can be modeled as a toggle neutral systems , in recent years , switch neutral systems are more and more attention. This paper relies on the National Natural Science Foundation of China , based on the average dwell time method and linear matrix inequalities (LMIs) method, we study a class of switched neutral system analysis and control problems. Main work is as follows : Considering the actual operation between the controller and the system exists in the case of asynchronous switching , we study under asynchronous switching stabilization problem of switched neutral system , using the average dwell time method and free weighting matrix method , designed ensure that the closed-loop system is exponentially stable state feedback controller. On this basis , further consideration of the presence of parameter uncertainty and actuator failure , switching neutral systems under asynchronous switching robust reliable control problem , and given in the form of linear matrix inequalities exist a robust reliable controller sufficient condition . Studied with Mixed Delays switched neutral systems Robust H ∞ control problem and robust reliable control problems. Considered mixed delays including discrete delays, Neutral Delay and Distributed Delays . First, a set of given in the form of linear matrix inequalities containing neutral systems with mixed delays switching exponential stability criterion . After making the system proposed index can be calm and containing H ∞ disturbance attenuation rate of seven state feedback controller design method . Finally, consider the mixed delays case of time-varying delays are given robust reliable controller design method to ensure that the closed-loop system is exponentially stable . Switched neutral systems proposed finite time boundedness and finite time H ∞ performance concept. First, based on the average dwell time method gives switched neutral finite time bounded sufficient condition , and then consider the presence of parameter uncertainties and unknown time-varying perturbations in the case , the system design of robust finite-time H ∞ state feedback control makers. The unknown controller gain matrix can be obtained by solving a set of linear matrix inequalities obtained .

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