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Stability bounds of time-varying uncertainty and delay time for discrete systems with time-varying delayed State
- Authors
- Han, H.-S.
- Issue Date
- 2012
- Keywords
- Delay time interval; Discrete-time system; Generalized eigenvalue problem; LMI; Robust stability; Time-varying delay; Unstructured uncertainty
- Citation
- Journal of Institute of Control, Robotics and Systems, v.18, no.10, pp.895 - 901
- Volume
- 18
- Number
- 10
- Start Page
- 895
- End Page
- 901
- ISSN
- 1976-5622
- Abstract
- The stability robustness problem of linear discrete systems with time-varying unstructured uncertainty of delayed states with time-varying delay time is considered. The proposed conditions for stability can be used for finding allowable bounds of timevarying uncertainty and delay time, which are solved by using LMI (Linear Matrix Inequality) and GEVP (Generalized Eigenvalue Problem) known as powerful computational methods. Furthermore, the conditions can imply the several previous results on the uncertainty bounds of time-invariant delayed states. Numerical examples are given to show the effectiveness of the proposed algorithms. © ICROS 2012.
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