Fault and disturbance reconstruction in non-linear systems using a network of interconnected sliding mode observers

摘要: A new technique for fault diagnosis and estimation of unknown inputs in a class non-linear systems is presented this study. The novelty the approach based on utilisation network two interconnected sliding mode observers, first used second inputs. observers exchange information about their respective reconstructed signals online real time. Conditions proofs conversion are presented. salient feature proposed that state trajectories do not leave manifold even presence disturbances faults. This allows faults to be retrieved from equivalent output error injection signal.