Fault Detection and Isolation in Nonlinear Dynamic Systems: A Combined Input-Output and Local Approach

@article{Zhang1998FaultDA,
  title={Fault Detection and Isolation in Nonlinear Dynamic Systems: A Combined Input-Output and Local Approach},
  author={Qinghua Zhang and Mich{\`e}le Basseville and Albert Benveniste},
  journal={Automatica},
  year={1998},
  volume={34},
  pages={1359-1373}
}
The problem of fault detection and isolation (FDI) is addressed for nonlinear dynamic systems modeled by polynomial diierential-algebraic equations. Ritt's algorithm is used to obtain an input-output representation of the monitored system by eliminating unknown variables. A local approach to change detection is then applied to the input-output representation for FDI residual generation and evaluation. Simulation results on a microbial growth process are provided, which illustrate the relevance… CONTINUE READING
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