Fault detection and isolation of PEM fuel cell system based on nonlinear analytical redundancy - An application via parity space approachA. Aitouche, Q. Yang and B. Ould BouamamaEur. Phys. J. Appl. Phys., 54 2 (2011) 23408DOI: https://doi.org/10.1051/epjap/2011100250