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A synthesis of parameter estimation based fault diagnosis scheme for uncertain nonlinear systems using higher order sliding modes is presented. The uncertain parameters of nonlinear system are estimated using an uncertainty estimator or observer. The estimated parameters carry information about system and actuator faults. A fault signal representing the dynamics of the fault is reconstructed using...
This paper presents a synthesis of fault diagnosis method for nonlinear systems through the parameter estimation using higher order sliding modes. Initially the uncertain parameters of nonlinear system using robust exact differentiator are estimated. Then residual signal is reconstructed using the estimated parameters, inputs, outputs and their estimated derivatives. The novelty of the method is the...
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