Multilayer feedforward networks are universal approximators
Neural Networks
Fault diagnosis of machines via parameter estimation and knowledge processing: tutorial paper
Automatica (Journal of IFAC) - Special section on fault detection, supervision and safety for technical processes
Robust adaptive control
Fault diagnosis of differential-algebraic systems
IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans
Neural-network-based robust fault diagnosis in robotic systems
IEEE Transactions on Neural Networks
Automated fault diagnosis in nonlinear multivariable systems using a learning methodology
IEEE Transactions on Neural Networks
Improving heat exchanger supervision using neural networks and rule based techniques
Expert Systems with Applications: An International Journal
Expert condition monitoring on hydrostatic self-levitating bearings
Expert Systems with Applications: An International Journal
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This paper investigates the problem of fault detection and diagnosis in a class of nonlinear systems with modeling uncertainties. A nonlinear observer is first designed for monitoring fault. Radial basis function (RBF) neural network is used in this observer to approximate the unknown nonlinear dynamics. When a fault occurs, another RBF is triggered to capture the nonlinear characteristics of the fault function. The fault model obtained by the second neural network (NN) can be used for identifying the failure mode by comparing it with any known failure modes. Finally, a simulation example is presented to illustrate the effectiveness of the proposed scheme.