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Gain-scheduling static output feedback hoo robust control for linear parameter-varying systems

Grant number: 18/20839-9
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): March 01, 2019
Effective date (End): February 28, 2023
Field of knowledge:Engineering - Electrical Engineering - Industrial Electronics, Electronic Systems and Controls
Principal researcher:Edvaldo Assuncao
Grantee:Bruno Sereni
Home Institution: Faculdade de Engenharia (FEIS). Universidade Estadual Paulista (UNESP). Campus de Ilha Solteira. Ilha Solteira , SP, Brazil


This research project aims to provide new contributions in the field of automatic control for dynamic systems, regarding the design of LMI-based (Linear Matrix Inequalities) controllers. The main topic in this study addresses the control problem involving linear systems with measurable time-varying parameters. Moreover, as a hypothesis, some of the system's state variables are assumed not to be available for measurement. At last, in the investigated problem, the dynamic system is considered to be susceptible to the presence of disturb signals that may compromise the system's performance or even its stability. In this scope, the development of a new technique for the synthesis of robust gain-scheduled controllers designed regarding the minimization of the Hoo norm is proposed intending to mitigate the disturbance effects on the system. The robust gain-scheduled controller will be designed through the derivation of static output feedback gains, therefore considering only the use of the available state variables. During the studies, the application of relaxations strategies will be considered in order to obtain less conservative LMI conditions, especially to cope with the presence of polytopic uncertainties in the system's matrices. The developed method will be compared with other similar results found in the literature by performing computational simulations and feasibility analysis. Furthermore, the practical applicability of the developed techniques will be evaluated through the implementation of the designed controllers in equipment acquired with funds from the FAPESP Thematic Project: Monitoring and Control of Dynamic Systems Subject to Failure (Process 2011/1761-0). (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SERENI, BRUNO; ASSUNCAO, EDVALDO; TEIXEIRA, MARCELO CARVALHO MINHOTO. New gain-scheduled static output feedback controller design strategy for stability and transient performance of LPV systems. IET Control Theory and Applications, v. 14, n. 5, p. 717-725, . (18/20839-9)

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