Journal
IEEE TRANSACTIONS ON AUTOMATIC CONTROL
Volume 54, Issue 11, Pages 2653-2658Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAC.2009.2031569
Keywords
Disturbance attenuation; mismatched uncertainty; output feedback; Riccati inequality; sliding mode
Funding
- National Science Council of Taiwan [NSC 98-2221-E-161-007]
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This technical note proposes a dynamic output feedback sliding-mode control algorithm for linear MIMO systems with mismatched norm-bounded uncertainties along with disturbances and matched nonlinear perturbations. A control law is first designed to ensure that the system behavior can satisfy the reaching and sliding condition. A scheme designed to combine the output-dependent integral sliding surface with a full-order compensator is then proposed. Through utilizing control analytical technique, once the system is in the sliding mode, the proposed algorithm can guarantee robust stabilization and sustain the nature of performing disturbance attenuation when the solutions to two algebraic Riccati inequalities can be found. Finally, the feasibility of our proposed algorithm is illustrated using a numerical example.
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