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Direct synthesis of fixed-order multi-objective controllers
, Article Optimal Control Applications and Methods ; Volume 41, Issue 3 , 2020 , Pages 849-865 ; Babazadeh, M ; Nobakhti, A ; Sharif University of Technology
John Wiley and Sons Ltd
2020
Abstract
This paper introduces a new methodology for the design of fixed-order multi-objective output feedback controllers. The problem comprises a set of linear matrix inequalities and an additional rank constraint. The primary idea is to classify convex subsets of the set of rank constrained matrices in such formulations, based on which two noniterative and relatively fast methods are developed. The proposed methods require solving a convex optimization problem at each step and can be applied with any weighted summation of design objectives such as (Formula presented.) performance, (Formula presented.) performance, passivity, and regional pole assignment. Several benchmark systems with performance...