Multiplicative fault estimation for a type of nonlinear uncertain system

作者: Guang-Ren Duan , Qing Zhao , Chunyan Gao

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摘要: This paper investigates the parameter estimation problem for a type of nonlinear system with multiplicative component faults and model uncertainties. Multiplicative are changes within process. Model uncertainties can be treated as an unknown input by appropriate transformation. An adaptive observer is proposed to estimate which affected states inputs. The triggering oscillatory failures considered. design applied hydraulic rig verify its effectiveness.

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