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The paper researched the control strategy of STATCOM with LCL filter. The STATCOM sixth orders differential equations in dq coordinate separated to two parts. Invert system theory deals with their uncoupling and nonlinearity. Then the sliding mode control strategies were used to the differential equations. Finally simulation results show validity and effectiveness of the design by comparing with PI...
This paper presents a novel design of adaptive sliding mode observer. An adaptive sliding mode observer with a proportional and integral sliding surface is derived and the stability condition of the closed-loop system is established. The proposed adaptive sliding mode observer could reconstruct the unmeasured states and estimate unknown system parameters in real time despite parameter variations and...
The parameter of permanent magnet synchronous motor reveals uncertainty in actual modeling, which leads to the limit of differential geometry theory in control. In this paper, the differential geometry and sliding mode variable structure are integrated to solve the problem. Firstly, the basic condition of sliding mode existing is discussed. Then a kind of variable structure controller is designed...
A sliding mode controller based on model following control is designed for the flight control system with uncertainties and perturbations. With this controller, the controlled plant can track the reference model precisely. It is shown that this scheme provides better performance for the flight control system and the fault tolerant control objective is achieved. The proposed scheme has the advantages...
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