Nonlinear actuator fault diagnosis: An application of model reference adaptive technique (Q2744511)
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scientific article; zbMATH DE number 1649085
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Nonlinear actuator fault diagnosis: An application of model reference adaptive technique |
scientific article; zbMATH DE number 1649085 |
Statements
4 November 2002
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fault detection and diagnosis
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nonlinear adaptive observer
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actuator
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model reference adaptive approach
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Nonlinear actuator fault diagnosis: An application of model reference adaptive technique (English)
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The author considers a problem of nonlinear actuator diagnosis using a model reference adaptive approach. That is, she supposes that the nonlinear actuator is characterized by a parameter vector and thinks that the parameter vector will be changed in unexpected mode when faults happen. Thus, she proposes designing two observers: one is a fixed observer for detecting whether the faults happen, and the other one is a nonlinear adaptive observer for estimating the actual parameter vector. A simulation example is presented to illustrate the effectiveness of her algorithm.
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