K.A. Sweetingham and S.L. Campbella ∗
Fault detection, nonlinear systems
Recently, there has been considerable research on active fault detection and model identification algorithms for linear systems. These algorithms compute an auxiliary input signal which guarantees fault detection, assuming a bounded noise. This paper begins to address the issue of applying the previously developed linear theory to nonlinear systems. To exploit the known linear theory, linearizations are used and bounds are computed to find the allowable noise for the nonlinear system. We also present an example of an oscillating pendulum to verify the bounds computed.
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