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Journal of Zhejiang University SCIENCE A
ISSN 1673-565X(Print), 1862-1775(Online), Monthly
2006 Vol.7 No.10 P.1723-1732
Robust model predictive control for discrete uncertain nonlinear systems with time-delay via fuzzy model
Abstract: An extended robust model predictive control approach for input constrained discrete uncertain nonlinear systems with time-delay based on a class of uncertain T-S fuzzy models that satisfy sector bound condition is presented. In this approach, the minimization problem of the “worst-case” objective function is converted into the linear objective minimization problem involving linear matrix inequalities (LMIs) constraints. The state feedback control law is obtained by solving convex optimization of a set of LMIs. Sufficient condition for stability and a new upper bound on robust performance index are given for these kinds of uncertain fuzzy systems with state time-delay. Simulation results of CSTR process show that the proposed robust predictive control approach is effective and feasible.
Key words: Uncertain Takagi-Sugeno fuzzy model, Time-delay, Model predictive control (MPC), Linear matrix inequalities (LMIs), Robustness
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DOI:
10.1631/jzus.2006.A1723
CLC number:
TP273
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2024-08-27
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2024-05-08
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