Journal
IEEE TRANSACTIONS ON CYBERNETICS
Volume 44, Issue 7, Pages 1111-1126Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCYB.2013.2279534
Keywords
Active suspension system; H-infinity control; sampled-data control; T-S fuzzy model
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Funding
- National Natural Science Foundation of China [61203002, 61333012]
- Program for New Century Excellent Talents in University [NCET-13-0696]
- Program for Liaoning Innovative Research Team in University [LT2013023]
- Program for Liaoning Excellent Talents in University [LR2013053]
- GRF project of H.K. RGC [517810]
- Hong Kong Polytechnic Universities
- National Key Basic Research Program, China [2012CB215202]
- 111 Project [B12018]
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This paper investigates the problem of sampled-data H-infinity control of uncertain active suspension systems via fuzzy control approach. Our work focuses on designing state-feedback and output-feedback sampled-data controllers to guarantee the resulting closed-loop dynamical systems to be asymptotically stable and satisfy H-infinity disturbance attenuation level and suspension performance constraints. Using Takagi-Sugeno (T-S) fuzzy model control method, T-S fuzzy models are established for uncertain vehicle active suspension systems considering the desired suspension performances. Based on Lyapunov stability theory, the existence conditions of state-feedback and output-feedback sampled-data controllers are obtained by solving an optimization problem. Simulation results for active vehicle suspension systems with uncertainty are provided to demonstrate the effectiveness of the proposed method.
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