Interaction in two-variable control systems for distillation columns—I

“…Among the different interaction measures available so far, namely, Rijnsdrop's interaction measure [7], RGA [6], -interaction measure ( -IM) [1,15] and direct Nyquist array [16], the -IM is noteworthy. This is because, it offers a dynamic measure of interactions, and is also applicable to high-order systems.…”

Section: Introductionmentioning

confidence: 99%

Multi‐loop control synthesis for unstable systems and its application: An approach based on µ interaction measure

Swarnakar

Marquez

Chen

2008

Intl J Robust & Nonlinear

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SUMMARYThis paper presents a new practical framework for multi-loop controller design in which controllers are designed independently, i.e. a controller in one loop is designed without exploiting information of other controllers. The method is based on the (block) diagonal approximation of a system that is different from its (block) diagonal elements. The focus of this work is on unstable systems and the approximated systems are obtained by minimizing an upper bound of a scaled L ∞ norm for the error systems. This extends the applicability of conventional -interaction measure to a more general scenario. The proposed approach is applied to a numerical example and to a simulated industrial boiler system.

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Interaction in two-variable control systems for distillation columns—I

Cited by 87 publications

References 2 publications

Use of relay‐feedback test for automatic tuning of multivariable systems

Use of relay‐feedback test for automatic tuning of multivariable systems

Modified error decentralized control with observer backstepping

Multi‐loop control synthesis for unstable systems and its application: An approach based on µ interaction measure

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