NDLI: Decoupling Smith Control for Multivariable System with Time Delays

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Decoupling Smith Control for Multivariable System with Time Delays

Content Provider	Semantic Scholar
Author	Huang, Can Gui, Weihua Xie, Yongfang
Copyright Year	2011
Abstract	Abstract In order to solve the decoupling control problem of multivariable system with time delays, a new decoupling Smith control method for multivariable system with time delays was proposed. Firstly, the decoupler based on the adjoint matrix of the multivariable system model with time delays was introduced. And the decoupled models were reduced to first-order plus time delay models by analyzing the amplitude-frequency and phase-frequency characteristics. Secondly, according to the closed-loop characteristic equation of Smith predictor structure, PI controllers were designed following the principle of pole assignment for Butterworth filter. Finally, using small-gain theorem and Nyquist stability criterion, sufficient and necessary conditions for robust stability were analyzed with multiplicative uncertainties which encountered frequently in practice. The illustrative example was given to show the superiority of response speed and load disturbance rejection performance.
Starting Page	5765
Ending Page	5770
Page Count	6
File Format	PDF HTM / HTML
DOI	10.3182/20110828-6-IT-1002.02899
Volume Number	44
Alternate Webpage(s)	https://folk.ntnu.no/skoge/prost/proceedings/ifac11-proceedings/data/html/papers/2899.pdf
Alternate Webpage(s)	https://doi.org/10.3182/20110828-6-IT-1002.02899
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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