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The paper is proposed the design method of nonlinear unknown input observer for Lipschitz nonlinear uncertain. Combined with the stability theory of nonlinear observers and LMI, LMI existence condition and some verification are given for the the nonlinear unknown input observers which can not only estimate the system's state approximately, but enhance the(More)
Flexibility of the process and quality of the scheduling system can be greatly improved using buffer storage in the actual batch production process. Aiming at the complexity of buffer storage, a new model for multiproduct batch plant scheduling with hybrid buffer storage was proposed, which contained three cases which are infinite buffer storage time,(More)
This paper describes the dynamical uncertain systems by the Takagi-Sugeno (T-S) fuzzy dynamic model, and proposes a LMI design method of the robust fuzzy sliding mode observer by applying the robust sliding-mode observer design principle based on the singular value decomposition. Firstly, the Lyapunov function is used as the critical condition which ensures(More)
This paper proposed H<sub>infin</sub> based fault diagnosis filter for linear high voltage direct current system. The linear perturbation model of HVDC system is given, and then the state observer is established. The fault diagnosis of linear perturbation model is formulated as model matching problem by choosing proper reference model, and then further(More)
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