Adaptive Speed Control System Based on Interval Type-2 Fuzzy Logic


  • Yousif Ismail Al Mashhadany University of Anbar - Engineering of College - Electrical Department



Interval Type-2 Fuzzy Logic Controller (IT2FLC), discrete pulse width modulation (DPWM), brushless DC (BLDC) motor.


This paper presents the design and simulation of adaptive control system based on an Interval Type-2 Fuzzy Logic Controller (IT2FLC) with multilevel inverter (MLI) for control of power system, and the command line programming for constructing, editing, and simulating the IT2FLC. The modification was done by considering new membership functions (MFs) for the environment of an Interval Type-2 Fuzzy Logic System (ITFLS). Two other controllers besides the designed IT2FLC, comparing their outputs: a PID Controller and a Type-1 Fuzzy Logic Controller (T1FLC). Various design phases for the fuzzy system, from initial description to final implementation. In this work, the case study is consider for brushless DC (BLDC) motor that is driven by multilevel inverter based on discrete three-phase pulse width modulation (DPWM) generator that forced-commuted the IGBT’s three-level converters using three bridges to vectored outputs 12- pulses with three levels. Using DPWM with a three-level inverter solves the

Author Biography

Yousif Ismail Al Mashhadany, University of Anbar - Engineering of College - Electrical Department

Dr. Yousif Ismail Mohammed Al-Mashhadany (Asst. Prof. Control Engineering, SMIEE), born in Baghdad / 1973. He received the B.Sc. degree in the Department of Electrical and Electronic Engineering (1995) from the Rashid School of Engineering and Science / University of Technology in Baghdad. He received the M.Sc. degree in control and guidance engineering (1999). And a Ph.D in electrical engineering department / control (2009) from the same university. Complete postdoctoral fellow research in electrical engineering - control department at the University of Malaya in Malaysia (UMPEDAC) in 2012. In addition, he completed undergraduate study in Islamic Sciences - Sharia Department of the University of Baghdad in 2004.            

He works since 2004, a lecturer in the Department of Electrical Engineering / Engineering College / University of Anbar. His research interests include advanced control systems, automated control systems and biomedical engineering. He has forty five publications in international journals and international conferences. He has many practical projects in the areas of renewable energy and control systems in electrical power systems. He senior member IEEE at 2013, and reviewer for more than fifteen international journals.   



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How to Cite

Al Mashhadany, Y. I. (2014). Adaptive Speed Control System Based on Interval Type-2 Fuzzy Logic. Transactions on Engineering and Computing Sciences, 2(5), 27–40.