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Hassan Bevrani

Hassan Bevrani

Academic rank: Professor
ORCID:
Education: PhD.
ScopusId: 55913436700
Faculty: Faculty of Engineering
Address: Dept. Of Electrical and Computer Eng, University of Kurdistan, Allameh Hamdi Blvd, Sanandaj PO Box 416, P. C: 66177-15175, Kurdistan, Iran
Phone: +98-87-33624001

Research

Title
Multiobjective PI/PID Control Design Using an Iterative Linear Matrix Inequalities Algorithm.
Type
JournalPaper
Keywords
LFC, LMI, Mixed H2/H∞ control, PI, PID, robust performance, static output feedback control, time delay.
Year
2007
Journal INTERNATIONAL JOURNAL OF CONTROL AUTOMATION AND SYSTEMS0000
DOI
Researchers Hassan Bevrani ، Takashi Hiyama

Abstract

Many real world control systems usually track several control objectives, simultaneously. At the moment, it is desirable to meet all specified goals using the controllers with simple structures like as proportional-integral (PI) and proportional-integral-derivative (PID) which are very useful in industry applications. Since in practice, these controllers are commonly tuned based on classical or trial-and-error approaches, they are incapable of obtaining good dynamical performance to capture all design objectives and specifications. This paper addresses a new method to bridge the gap between the power of optimal multiobjective control and PI/PID industrial controls. First the PI/PID control problem is reduced to a static output feedback control synthesis through the mixed H2/H∞ control technique, and then the control parameters are easily carried out using an iterative linear matrix inequalities (ILMI) algorithm. Numerical examples on load-frequency control (LFC) and power system stabilizer (PSS) designs are given to illustrate the proposed methodology. The results are compared with genetic Algorithm (GA) based multiobjective control and LMI based full order mixed H2/H∞ Control designs.