Static output feedback sliding mode control for time-varying delay systems with time-delayed nonlinear disturbances. (English) Zbl 1298.93113
Summary: In this paper, a robust stabilization problem for a class of linear time-varying delay systems with disturbances is studied using sliding mode techniques. Both matched and mismatched disturbances, involving time-varying delay, are considered. The disturbances are nonlinear and have nonlinear bounds which are employed for the control design. A sliding surface is designed and the stability of the corresponding sliding motion is analysed based on the Razumikhin Theorem. Then a static output feedback sliding mode control with time delay is synthesized to drive the system to the sliding surface in finite time. Conservatism is reduced by using features of sliding mode control and systems structure. Simulation results show the effectiveness of the proposed approach.
MSC:
| 93B12 | Variable structure systems |
| 93B52 | Feedback control |
| 93C73 | Perturbations in control/observation systems |
| 93C10 | Nonlinear systems in control theory |
| 93C15 | Control/observation systems governed by ordinary differential equations |
Keywords:
system with time-varying delay; static output feedback control; nonlinear disturbance; sliding mode controlReferences:
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