On the use of adaptive updating rules for actuator and sensor fault diagnosis (Q1354860)
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scientific article; zbMATH DE number 1008761
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On the use of adaptive updating rules for actuator and sensor fault diagnosis |
scientific article; zbMATH DE number 1008761 |
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On the use of adaptive updating rules for actuator and sensor fault diagnosis (English)
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12 May 1997
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By means of adaptive updating rules, an algorithm is presented for fault detection and diagnosis (FDD) of faults in actuators and sensors in the case of a linear time-invariant system subject to an unknown input that represents either model uncertainty or unmeasurable disturbances. Two observers -- a fixed detection observer and an adaptive diagnostic observer -- are constructed separately to detect and diagnose the fault. As a result, a convergent adaptive diagnostic algorithm for estimating the parameters in the nonlinear actuators is developed. Two illustrative numerical examples are given.
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adaptive algorithm
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fault detection and diagnosis
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unknown input
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observer
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