Deterministic convergence of a Clarke-Gawthrop self-tuning controller (Q1073749)
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scientific article; zbMATH DE number 3946001
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Deterministic convergence of a Clarke-Gawthrop self-tuning controller |
scientific article; zbMATH DE number 3946001 |
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Deterministic convergence of a Clarke-Gawthrop self-tuning controller (English)
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1986
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A proof of global asymptotic stability of a single input-single output deterministic self-tuning controller is given. The controller considered minimizes a quadratic cost measure of the Clarke-Gawthrop type which penalizes input and output deviations from the desired values as well as excessive control action. The parameter estimation scheme employs a variable forgetting factor. It is established that the output error converges to zero, even for nonminimum phase systems, for appropriate cost functions.
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global asymptotic stability
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self-tuning controller
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quadratic cost measure of the Clarke-Gawthrop type
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parameter estimation
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variable forgetting factor
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