Abstract
A dynamic output feedback control via moving horizon H ∞ strategy for constrained system is developed. For the constrained system with bounded exogenous disturbances, an output feedback control approach is presented to guarantee H ∞ performance in the framework of linear matrix inequalities (LMI). It is a challenge to accurately estimate the largest energy of the disturbance for the actual system. To avoid the conservatism derived from over-estimation and constraints unsatisfaction derived from under-estimation, a new dissipative constrained condition is further employed and a moving horizon output feedback control law which guarantees H ∞ performance is presented by optimising the H ∞ performance index online. The method can automatically trade-off between satisfying control constraints and enhancing performance, and still make the closed-loop system satisfy the control constraint when the estimation of the largest energy of disturbance is small, thus the control performance of system can be enhanced wit...
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