Entropy Optimization Filtering for Fault Isolation of Nonlinear Non-Gaussian Stochastic Systems

  title={Entropy Optimization Filtering for Fault Isolation of Nonlinear Non-Gaussian Stochastic Systems},
  author={Lei Guo and Liping Yin and Hong Wang and Tianyou Chai},
  journal={IEEE Transactions on Automatic Control},
In this paper, the fault isolation (FI) problem is investigated for nonlinear non-Gaussian systems with multiple faults(or abrupt changes of system parameters) in the presence of noises. By constructing a filter to estimate the states, the FI problem can be reduced to an entropy optimization problem subjected to the non-Gaussian estimation error systems. The design objective for the FI purpose is that the entropy of the estimation error is maximized in the presence of diagnosed fault and is… CONTINUE READING
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