Browsing by Author "HSIEH, TF"

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DECOUPLING CONTROLLER-DESIGN FOR LINEAR-MULTIVARIABLE PLANTS
(1991-04-01)
LIN, CA
;
HSIEH, TF
;
電控工程研究所
;
Institute of Electrical and Control Engineering
We study decoupling controller design for linear time-invariant square MIMO plants under the unity-feedback configuration. For plants with no coincidences of unstable poles and zeros, we give a simplified necessary and sufficient condition for closed-loop stability. The simplified condition leads to a simple parametrization of the set of all achievable decoupled I/O maps and an algorithm which allows the design of decoupling controllers to achieve preassigned closed-loop poles.
STABILIZATION, PARAMETERIZATION, AND DECOUPLING CONTROLLER-DESIGN FOR LINEAR-MULTIVARIABLE SYSTEMS
(1993-04-01)
LIN, CA
;
HSIEH, TF
;
電控工程研究所
;
Institute of Electrical and Control Engineering
We study linear multivariable systems under the unity-feedback configuration. For nonsquare plants with no coincidences of unstable poles and zeros, we prove a simplified condition for closed-loop stability. The simplification leads to a simple description of the set of all achievable I / O maps and a simple parameterization of all controllers achieving the same I / O map. The results are used to describe the set of all achievable decoupled I / O maps and prove a necessary and sufficient condition for the existence of stable decoupling controllers.