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This paper investigates the tracking control problems of a voice coil motor (VCM) actuated servo gantry system. A novel sliding mode disturbance observer based control algorithm is proposed to accommodate both model uncertainties and various disturbances. In the proposed control architecture, the sliding mode observer is introduced to estimate the total disturbances such that the observer error can...
Small hydro (SH) / photovoltaic (PV) hybrid power system (HPS) is a clean and economic way of renewable energy power generation, which has a good complementary according to local resources distribution features. Operation characteristics of SH and PV generation system are analyzed in detail and a novel control strategy is proposed in this paper. The PV generation system is designed to have the same...
This paper addresses the asymptotic stability of switched time delay systems with heterogenous time invariant time delays. Piecewise Lyapunov-Razumikhin functions are introduced for the switching candidate systems to investigate the stability in the presence of infinite number of switchings. We provide sufficient conditions in terms of the minimum dwell time to guarantee asymptotic stability under...
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