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Please use this identifier to cite or link to this item: http://idr.iitbbs.ac.in/jspui/handle/2008/2305
Title: Two-degree-of-freedom multi-input multi-output proportional�integral�derivative control design: Application to quadruple-tank system
Authors: Pradhan J.K.
Ghosh A.
Bhende C.N.
Keywords: linear matrix inequality
linear quadratic regulator and H ? performances
Multi-input multi-output proportional�integral/proportional�integral�derivative
quadruple-tank process
Issue Date: 2019
Abstract: This article is concerned with designing a 2-degree-of-freedom multi-input multi-output proportional�integral�derivative controller to ensure linear quadratic regulator performance and H ? performance using a non-iterative linear matrix inequality�based method. To design the controller, first, a relation between the state feedback gain and proportional�integral�derivative gain is obtained. As the gains of proportional�integral�derivative controller cannot, in general, be found out from this relation for arbitrary stabilizing state feedback gain, a suitable form of the matrices involved in linear matrix inequality�based state feedback design is then chosen to obtain the proportional�integral�derivative gains directly. The special structure of the above matrices allows one to design proportional�integral�derivative controller in non-iterative manner. As a result, multi-objective performances, such as linear quadratic regulator and H ? , can be achieved simultaneously without increasing the computational burden much. To enhance the reference-input-to-output characteristics, a feedforward gain is also introduced and designed to minimize certain closed-loop H ? performance. The proposed control design method is applied for multi-input multi-output proportional�integral compensation of a laboratory-based quadruple-tank process. The performance of the compensation is studied through extensive simulations and experiments. � IMechE 2018.
URI: http://dx.doi.org/10.1177/0959651818791687
http://10.10.32.48:8080/jspui/handle/2008/2305
Appears in Collections:Research Publications

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