Fault estimation in nonlinear uncertain systems using robust/sliding-mode observers

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Nonlinear robust fault reconstruction and estimation using a sliding mode observer (2007, background): “, 2004; Yan, Wang, Lü, & Zhang, 1998) when compared with the work in Tan and Edwards (2003) and Jiang et al. (2004). Assumption 2 is a limitation on the uncertain distribution matrix and the fault distribution matrix, and implies that rank([E D]) p.”
Observer design for systems with unknown inputs (2005, background): “Observers for systems with unknown inputs play an essential role in robust model-based fault detection (Chen and Patton, 1999; Edwards et al., 2000; Edwards and Spurgeon, 1998; Jiang et al., 2004; Saif and Xiong, 2003).”
Recent Advances on Recursive Filtering and Sliding Mode Design for Networked Nonlinear Stochastic Systems: A Survey (2013, background): “Most research on SMO design has been carried out along this line; see, for example, [141, 142, 144–149].”
H ∞ sliding mode observer design for a class of nonlinear discrete time‐delay systems: A delay‐fractioning approach (2012, background): “To be specific, by constructing an appropriate SMO, the fault reconstruction and estimation problems have been extensively studied in [7, 14, 27, 30, 40] for uncertain systems.”