Hybrid Disturbance Response Decoupling for Multivariable Systems

This article proposes a novel control theorem called hybrid disturbance response decoupling (HDRD), which facilitates the independent and simultaneous modification of all transmission paths of a multivariable system. The control design for multivariable systems is challenging because feedback contro...

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Bibliographic Details
Published inIEEE transactions on automatic control Vol. 69; no. 10; pp. 7277 - 7284
Main Authors Wang, Fu-Cheng, Lee, Chung-Hsien
Format Journal Article
LanguageEnglish
Published New York IEEE 01.10.2024
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Control design
Control systems
Decoupling
Feedback control
MIMO communication
multivariable
Multivariable control
Optical feedback
optimization
parameterization
robust control
Suspensions (mechanical systems)
System effectiveness
Theorems
Vehicle dynamics
Vibration control
Vibrations
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Summary:This article proposes a novel control theorem called hybrid disturbance response decoupling (HDRD), which facilitates the independent and simultaneous modification of all transmission paths of a multivariable system. The control design for multivariable systems is challenging because feedback controllers can usually affect all the transmission paths concurrently. Improving the performance of some transmission paths might sacrifice the performance of others; therefore, the disturbance response decoupling theorem was proposed to keep specific transmission paths unchanged while improving others. However, an independent and concurrent control design for all transmission paths remains unavailable. This article proposes the HDRD theorem, which permits independent control designs for multiple transmission paths and integration without cross influences. Finally, numerical examples are applied to demonstrate the effectiveness and feasibility of the proposed HDRD theorem for multivariable systems.
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content type line 14
ISSN:0018-9286
1558-2523
DOI:10.1109/TAC.2024.3396775