Journal: | Computational & applied mathematics |
Database: | PERIÓDICA |
System number: | 000267932 |
ISSN: | 1807-0302 |
Authors: | Arrifano, Natache S.D1 Oliveira, Vilma A |
Institutions: | 1Universidade de Sao Paulo, Departamento de Engenharia Eletrica, Sao Carlos, Sao Paulo. Brasil |
Year: | 2005 |
Season: | Ene-Abr |
Volumen: | 24 |
Number: | 1 |
Pages: | 51-63 |
Country: | Brasil |
Language: | Inglés |
Document type: | Artículo |
Approach: | Analítico, descriptivo |
English abstract | Stability analysis and a systematic robust fuzzy control design for uncertain nonlinear systems with polytopic uncertainties are presented. The approach given uses the T-S fuzzy systems which are represented by a family of local uncertain linear systems with aggregation. The resulting fuzzy controller is a blending of state feedback gains obtained from a guaranteed cost control (GCC) problem. A sufficient condition for the robust stability of the feedback T-S fuzzy system with uncertainties using a quadratic Lyapunov function is given. A feature of the proposed approach is that an upper bound on the guaranteed cost is minimized by solving an optimization problem with linear matrix inequalities (LMIs) |
Disciplines: | Matemáticas, Ingeniería |
Keyword: | Matemáticas aplicadas, Ingeniería eléctrica, Control difuso, Control robusto, Sistemas inciertos, Control de costos, Sistemas no lineales |
Keyword: | Mathematics, Engineering, Applied mathematics, Electrical engineering, Fuzzy control, Robust control, Uncertain systems, Costs control, Nonlinear systems |
Full text: | Texto completo (Ver HTML) |