T1: Harmonic Control Arrays: A Control Methodology for Systems Involving Periodic Signals

Organizer: Prof. Murat Dogruel

Affiliation: Istanbul 29 Mayis University, Türkiye

Type: Tutorial

Duration: Half-day tutorial

Date: Tuesday, June 23, 2026

Time: 09:00 - 13:00 Room N - D3A

Speaker Biography

Dr. Murat Dogruel received his B.S. degree in Electronics and Communication Engineering from Istanbul Technical University, Türkiye, in 1988, and his M.S. and Ph.D. degrees in Electrical Engineering from The Ohio State University, Columbus, OH, USA, in 1992 and 1995, respectively. From 1995 to 2022, he served in the Faculty of Engineering at Marmara University, Istanbul, Türkiye, where he attained the rank of full professor and chaired the Department of Electrical and Electronics Engineering. He was a Visiting Associate Professor in the Department of Electrical and Computer Engineering at the University of Miami from 2001 to 2003. From 2006 to 2008, he served as Dean of the Faculty of Engineering and Natural Sciences at the International University of Sarajevo, Bosnia and Herzegovina, and was Dean of the Faculty of Engineering at Marmara University from 2014 to 2017. He is currently with the Department of Electrical and Electronics Engineering at Istanbul 29 Mayis University, Türkiye. His research interests include control, signal and image processing, and power electronics. He has introduced the novel concept of Harmonic Control Arrays and is actively engaged in its theoretical and practical development.

Abstract

Eliminating periodic disturbances and tracking periodic reference signals pose significant challenges for many control systems across a wide range of application domains. This tutorial introduces Harmonic Control Arrays (HCA), a novel control methodology specifically designed for control systems that involve periodic reference signals or periodic disturbances. HCA provides a structured approach to achieving accurate periodic tracking and to mitigating the effects of periodic disturbance signals. The tutorial offers a comprehensive overview of HCA, covering its theoretical foundations, practical implementation using tools such as MATLAB/Simulink, and real-world applications in areas such as power electronics and electromechanical systems. Participants will gain hands-on experience with HCA through simulations and live demonstrations. The tutorial also examines the relationship between HCA and traditional feedback control methodologies. Traditional control methods often encounter difficulties in effectively handling such scenarios, particularly in the presence of time delays, nonlinearities, and model uncertainties. The Harmonic Control Array (HCA) framework provides a robust and systematic way to address these challenges, enabling the design of high-performance control systems in the presence of periodic signals. The fundamental insight behind HCA is to decompose the error signal into its complex-valued harmonic components using Fourier analysis, to control each harmonic independently in the frequency domain, and then to synthesize the real-time control input from these harmonically controlled components.

List of Topics and Their Descriptions

The tutorial is structured to provide both theoretical understanding and practical implementation skills:


Expected Participants

This tutorial is designed for a broad audience of control engineering professionals and researchers:

A basic, undergraduate-level understanding of control systems concepts (e.g., feedback control, frequency response, sampled-data systems) is sufficient. No advanced knowledge of harmonic analysis is required, as these concepts will be introduced as needed during the tutorial.

Equipment

Participants are encouraged to bring their own laptops.