Quantized Fuzzy Finite-Time Control for Nonlinear Semi-Markov Switching Systems
- Authors
- Qi, Wenhai; Gao, Meng; Ahn, Choon Ki; Cao, Jinde; Cheng, Jun; Zhang, Lihua
- Issue Date
- 11월-2020
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Control systems; Switching systems; Lyapunov methods; Quantization (signal); Stochastic processes; Circuits and systems; Stability analysis; Finite-time boundedness; sojourn-time; Lyapunov function
- Citation
- IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, v.67, no.11, pp.2622 - 2626
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS
- Volume
- 67
- Number
- 11
- Start Page
- 2622
- End Page
- 2626
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/51910
- DOI
- 10.1109/TCSII.2019.2962250
- ISSN
- 1549-7747
- Abstract
- This brief considers quantized control for finite-time synthesis of nonlinear semi-Markov switching systems (S-MSSs) via T-S fuzzy strategy. The stochastic phenomena of structural and parametric changes are modeled by the semi-Markov process, in which the sojourn-time (ST) is deemed to obey a non-exponential distribution. Compared with previous works, the input quantization is firstly investigated for studying the finite-time control via a logarithmic quantizer. A key issue under the consideration is how to design a fuzzy-model-based finite-time control law in the presence of quantized error. For this purpose, by using the key point of Lyapunov function, the finite-time boundedness (FTBs) performance is analyzed via establishing sojourn-time-dependent sufficient conditions within a given finite-time level. Then, the existence of a quantized controller is given in standard LMIs. Finally, an example for an electric circuit shows the effectiveness of the finite-time control scheme.
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