Robust stability of uncertain singular time-delay systems via LFT approach

Shin-Ju Chen and Lin-Goei Shiau

International Journal of Systems Science, 2011, vol. 42, issue 1, 31-39

Abstract: The robust stability problem of continuous-time singular systems with multiple state delays and bounded parametric uncertainties is considered. Both commensurate and non-commensurate delays are investigated. On the basis of the linear fractional transformations (LFTs) framework and μ-analysis, a systematic approach is derived to convert the robustness problem to a robust nonsingularity problem. Some explicit conditions are proposed to guarantee the uncertain singular time-delay system being regular, impulse-free and stable independent of delay. Two illustrative examples are given to show the feasibility of the proposed technique.

Date: 2011
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DOI: 10.1080/00207720903494676

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