Multivariable virtual reference feedback tuning for non-minimum phase plants

Gustavo R. Gonçalves da Silva; Lucíola Campestrini; Alexandre S. Bazanella

doi:10.1109/LCSYS.2017.2763824

Multivariable virtual reference feedback tuning for non-minimum phase plants

Gustavo R. Gonçalves da Silva, Lucíola Campestrini, Alexandre S. Bazanella

Research output: Contribution to journal › Article › Academic › peer-review

15 Citations (Scopus)

Abstract

When applying model reference control to a non-minimum phase (NMP) plant, it is important to include the NMP (transmission) zero(s) in the reference model, otherwise the controller will tend to cancel out these zeros, often causing loss of internal stability. In data-driven (DD) control it is not possible to conceive a priori a reference model with the NMP zero(s) because no model of the plant is available; accordingly, DD design methods tend to fail in NMP plants. For single-input-single-output plants, this problem has been solved by using a flexible reference model in a DD design. This letter presents an extension of that method for multi-input-multi-output plants.

Original language	English
Article number	8069004
Pages (from-to)	121-126
Number of pages	6
Journal	IEEE Control Systems Letters
Volume	2
Issue number	1
DOIs	https://doi.org/10.1109/LCSYS.2017.2763824
Publication status	Published - Jan 2018
Externally published	Yes

Keywords

Identification for control
Numerical algorithms
Process control
Sampled-data control

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10.1109/LCSYS.2017.2763824

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abstract = "When applying model reference control to a non-minimum phase (NMP) plant, it is important to include the NMP (transmission) zero(s) in the reference model, otherwise the controller will tend to cancel out these zeros, often causing loss of internal stability. In data-driven (DD) control it is not possible to conceive a priori a reference model with the NMP zero(s) because no model of the plant is available; accordingly, DD design methods tend to fail in NMP plants. For single-input-single-output plants, this problem has been solved by using a flexible reference model in a DD design. This letter presents an extension of that method for multi-input-multi-output plants.",

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Multivariable virtual reference feedback tuning for non-minimum phase plants

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Keywords

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