2018
DOI: 10.1049/iet-cta.2017.0791
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Improved stability and stabilisation criteria for discrete time‐delay systems via a novel double summation inequality

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Cited by 15 publications
(12 citation statements)
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“…Due to trueM1=trueM2=0, a potential conservatism on researching feasible solutions is caused. On the other hand, zero equations [22] is used to eliminate all zero fixed elements by substituting some variables and summation terms. However, a computation burden on researching feasible solutions may be added and the dimension of derived condition is increased.…”
Section: System Description and Problem Formulationsmentioning
confidence: 99%
See 1 more Smart Citation
“…Due to trueM1=trueM2=0, a potential conservatism on researching feasible solutions is caused. On the other hand, zero equations [22] is used to eliminate all zero fixed elements by substituting some variables and summation terms. However, a computation burden on researching feasible solutions may be added and the dimension of derived condition is increased.…”
Section: System Description and Problem Formulationsmentioning
confidence: 99%
“…The zero elements in the off‐diagonal term of the positive definite matrix cause conservatism to reduce the admissible delay region. Two methods as zero quality [20, 21] and double summation inequality [22] were proposed to introduce some slack variables and to derive the corresponding relaxed stability conditions. Due to the slack variables, the conservatism of the stability criteria can be reduced for magnifying the delay region as large as possible.…”
Section: Introductionmentioning
confidence: 99%
“…The first one is to construct the LKF per si and the second step is to derive sufficient conditions guaranteeing that the forward difference of an LKF is negative. Therefore, to improve stability and stabilisation conditions many augmented LKFs and LKFs with multiple summation terms have been constructed [30][31][32]. Once the LKF is chosen, the second step comes from the inequalities to be used to derive a treatable numerical optimisation problem.…”
Section: Introductionmentioning
confidence: 99%
“…For instance, in [31], an auxiliary function based inequality has been introduced, in [38], a free-matrix-based summation inequality has been employed, and, in [39], an improvement in the method of [35] has been presented. Several strategies have been reported for stability analysis and stabilisation problems for linear time-delay systems [32,[40][41][42][43][44][45][46][47][48], uncertain linear time-delay systems [49][50][51][52], N-TS, and TS fuzzy model with time-delays [10,[53][54][55][56][57][58][59][60][61].…”
Section: Introductionmentioning
confidence: 99%
“…It is well known that time-delay is an important source of system instability or oscillation [20][21][22][23][24][25][26][27]. Lyapunov-Krasovskii functional (LKF) technique is an effective method to handle stability analysis and controller design of T-S fuzzy time-delay system.…”
Section: Introductionmentioning
confidence: 99%