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Adaptive Decoupling of Multivariable Systems

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Author

Summary, in English

For many industrial processes, it is of interest to design a decoupling precompensator. The precompensator makes it possible to design controllers based on single-input-single-output models of the process. A model of the process must be known to design the precompensator. This paper shows how the precompensator can be designed adaptively using input-output measurements. The precompensator is first designed for the case when the process is known. The adaptive precompensator is then constructed using the certainty equivalence principle. The convergence properties and the implementation of the adaptive decoupler are discussed. It is shown that the adaptive scheme will converge provided the system is persistently excited and that a suitable model structure is used in the estimation.

Publishing year

1987

Language

English

Pages

1992-2009

Publication/Series

International Journal of Control

Volume

46

Issue

6

Document type

Journal article

Publisher

Taylor & Francis

Topic

  • Control Engineering

Status

Published

ISBN/ISSN/Other

  • ISSN: 0020-7179