Modelling and robust FDI of steam generator using uncertain bond graph model

In this paper, a bond graph model based approach for robust FDI (Fault Detection and Isolation) in the presence of parameter uncertainties is presented. Due to the energetic and structural properties of the bond graph, the whole of nonlinear model, structural analysis, residual with adaptive thresholds generations, and sensitivity analysis of the residuals can be synthesized using this same tool. This method is applied online on an industrial steam generator. Experimental results are given to support the theoretical development.