Robust stability and stabilization for singular systems with state delay and parameter uncertainty
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..., [1], [2], [5], [8], [11], [26], [27], and [28] and references therein....
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"Robust stability and stabilization ..." refers methods in this paper
...The desired robustly stabilizing state feedback for uncertain singular system ( ) can be obtained by solving the strict LMI (38), which can be solved numerically very efficiently by using interior-point algorithm, and no tuning of parameters is involved [2]....
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...[2] M....
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...= [ 1 1 2 ]T :...
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"Robust stability and stabilization ..." refers background in this paper
...INTRODUCTION Control of delay systems has been a topic of recurring interest over the past decades since time delays are often the main causes for instability and poor performance of systems and encountered in various engineering systems such as chemical processes, long transmission lines in pneumatic systems, and so on [8]....
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"Robust stability and stabilization ..." refers background or methods in this paper
...To this end, we note that the regularity and the absence of impulses of the pair (E;A) implies that there exist two invertible matricesG andH 2 n n such that [4]...
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...Proof: Noting the regularity and the absence of impulses of the pair (E;A) and using the decomposition as in [4], the desired result follows immediately....
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...Singular systems are also referred to as descriptor systems, implicit systems, generalized statespace systems, differential-algebraic systems, or semistate systems [4], [11]....
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...E _ x(t) = Ax(t) +Adx(t ): (5) Definition 1: [4], [11]: 1) The pair(E;A) is said to be regular if det(sE A) is not identically zero....
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...A great number of results based on the theory of regular systems (or state-space systems) have been extended to the area of singular systems [4], [11]....
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"Robust stability and stabilization ..." refers background in this paper
...Lemma 6 [14]: Given matrices , and of appropriate dimensions and with symmetrical, then + F ( ) + ( F ( ) )T < 0 for all F ( ) satisfying F ( )F ( ) I , if and only if there exists a scalar > 0 such that + T + 1 T < 0: For simplicity we introduce the matrix 2 n (n r) satisfying E = 0 and rank = n r....
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