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FRIT(Fictitious Reference Iterative Tuning) is a model free designing method and a practically useful method. But in the method, there are some drawbacks, That is, the optimal controller's parameters are obtained to minimize a performance index. That is, for each set of parameter candidates, a response of the inverse system of the controller at every sampling time is required to be calculated. Hence,...
This paper proposes a method for fault detection of control plants without using plant models. So far, mainly, there exist two methods to detect faults. The first is a statistical method, which uses statistical characteristics of input signals and fault signals. To extract the statistical characteristics, this method requires sufficiently fluctuated signals, which is not satisfied in practical applications...
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