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Affiliated professor
Ali Yazdian – Varjani Born in :
Head and Member of Power Group
Elec. & Comp. Eng. Dept., Tarbiat Modares University
Background :
Academic Qualifications:

Doctor of Philosophy in Electrical Engineering
School of Electrical, Computer and & Telecommunication Engineering University of Wollongong, Australia. 1995-1998.
Thesis Title: "Harmonic Control Techniques for Inverters and Adaptive Active Power Filters"
Courses and Subjects
Real Computing (DSP based application programming),
Computer Controlled (Digital Control).
Advanced Robotics
Master of Engineering (Honors)
School of Electrical, Computer and & Telecommunication Engineering University of Wollongong, Australia. 1993-1994.
Thesis Title: "Artificial Neural Network Application in Power System Load Forecasting".
Courses and Subjects
Artificial Neural Network (ANN),
Digital Signal Processing (DSP).
Bachelor of Science in Electrical Engineering.
Department of Electrical and Computer Engineering,
Sharif University of Technology, Teheran, Iran, 1984-1989,
Thesis Title: "Digital Simulation of Self Control Synchronous Machine Fed by VSI and CSI".

Projects :


Sept 2001-Dec 2002: "National Strategic Plan for Information and Communication Technology Development of Iran ", Iran Telecommunication Research Centre, Ministry of, April 2003.
Sept 2001-Dec 2002: "Capability Evaluation of Iranian University and Institutes for Power Industry Research; A Database ", Research Deputy of Tavanir Teheran, Ministry of Energy.
July Sept 1999-Feb 2001: "Scientific Network of Iran, Iranian Research Organization for science and Technology (IROST) Technical Manager of Project.
July Sept 2001-July 2002: "Electrical Research Potential Evaluation of Iranian Universities and research Institutes and Database Preparation” Tavanir Research Deputy, Ministry of Energy Manager of Project (through Tarbiat Modares University).
July Sept 2002-Feb 2003: "Management of Iran National Plan for Communication and Information Technology Development” Iranian Telecom Research Center Ministry of PPT, Manager of Project (through Tarbiat Modares University).

Publications :  

[1] "Current and Voltage Capacitor Transformers Standard for 63, 132, 230, and 400 KV", Technical Bureau for Power, Teheran, Ministry of Energy, Published in Persian and English. 1991.
[2] "Power Transformers Standard for 230 and 400 KV", Technical Bureau for Power, Teheran, Ministry of Energy, Published in Persian and English, 1992.
[3] A. Yazdian, "Migrating Electromagnetic Transient Program, EMTP, fro Mainframe to PC: Line and Cable Constant", Electric Power Research Center, EPRC, Teheran, 1990.
[4] A. Yazdian-Varjani and P. Doulai, "Application of Neural Network in Power System Load Forecasting" Australasian Universities Power Engineering Conference, AUPEC'93, pp 235-240, Sept. 1993.
[5] P. Doulai, A Yazdian and M. Manoharan, "24-Hour Ahead Power Systems Load Forecasting Using Conventional and Kalman Filtering Methods", Australasian Universities Power Engineering Conference AUPEC'94, Sept. pp-664-668, 1994.
[6] A. Yazdian and P. Doulai, "Neural Network versus Time Series method for Power System Short-term Load Forecasting" International Power Engineering Conference, IPEC'95, pp 677-672, Singapore, March 1995.
[7] A. Yazdian-Varjani, B. S. P. Perera, J. F. Chicharo, and M. T. Kilani, "An Equal Area Based Pulse-width and Position Switching Strategy for Full-Bridge Inverter Applications," Australasian Universities Power Engineering Conference, AUPEC'96, Melbourne, pp. 143-149, 1996.
[8] A. Yazdian-Varjani, B. S. P. Perera, J. F. Chicharo, and M. T. Kilani, "Sliding Measurement of Power System Harmonics," Australasian Universities Power Engineering Conference, AUPEC'96, Melbourne, pp. 293-299, 1996.
[9] A. Yazdian-Varjani, J. F. Chicharo, and B. S. P. Perera, "An Introduction to Wavelets in Power Quality Analysis," Australasian Universities Power Engineering Conference, AUPEC'97, Sydney, pp. 277-281, 1997. 
[10] A. Yazdian-Varjani, B. S. P. Perera, and J. F. Chicharo, "A Centroid Based PWM Switching Technique for Full-Bridge Inverter Applications," IEEE Transaction on Power Electronics, vol. 13, pp. 115-124, Jan. 1998.
[11] M. T. Kilani and A. Yazdian-Varjani, "ECG Hear Estimation" Proceedings of the Eighth Iranian Conference on Electrical Engineering, ICEE-2000, Isfahan, Iran, May 2000.
[12] A. Yazdian-Varjani, B. S. P. Perera, and J. F. Chicharo, " Adaptive Active Power Filtering Scheme," International Power System Conference, Tehran, Iran November 2000.
[13] R. Keypour, H. Seifi and A. Yazdian-Varjani "A Genetic Based Algorithm for Allocation and Sizing of Active Power Filter," 14th International Power System Conference, Tehran, Iran November 2000 (Persian).
[14] A. Yazdian-Varjani, B. S. P. Perera, and J. F. Chicharo, “Adaptive Active Power Filtering Scheme," 14th Power System International Conferences, Tehran, Iran November 2000.
[15] R. Keypour, H. Seifi and A. Yazdian-Varjani "A Genetic Based Algorithm for Allocation and Sizing of Active Power Filter," Estghelal Technical Journal Vol 21 No 1 pp29-42, 2002 (Persian).
[16] R. Haghighat, H. Seifi and A. Yazdian-Varjani "An Instantaneous Power Theory based Control Scheme for Unified Power Flow Controller in Transient and Steady State Conditions", Elsevier Electric Power Systems Research, No 64, pp175-180, 2003
[17] A. Yazdian-Varjani, B. S. P. Perera, and J. F. Chicharo, "A Novel Adaptive Active Power Filtering Scheme," Tarbiat Modares University Engineering Journal , 2002, Vol,2 No7 .
[18] A. Yazdian-Varjani "Capability Evaluation of Iranian University and Institutes for Power Industry Research; A Database”, Technical Project Report, Research Deputy of Tavanir Teheran, Ministry of Energy, February 2003.
[19] N. Moghdam Ali Yazdian and M. Hooshmand E-commerce and Developing Countries; Obstacles and Motivations, First Erou-Asia Conference In Information and Communication Technology EroAsia_ICT2002, Shiraz, 2002.
[20] N. Moghdam M. Hooshmand and Ali Yazdian E-Readiness for ICT Development Iran Case Study” Second International Symposium of IST2003 Isfahan, 2003.
[21] N. Moghdam, Sheikholeslami F. Safara and Ali Yazdian University-Industry Collaboration via Technoparks” Second International Symposium of IST2003 Isfahan, 2003.
[22] H. Baghgar, A.Yazdian and H. Seifi, “Constant Flow Based Fuzzy Controller for Speed Control of Induction Motor”, First Mechateronics Conference of Iran Mechateronics_2003, Qazvin, July, 2003.
[23] H. Baghgar, A.Yazdian and H. Seifi “Fuzzy Controller for Speed Control of Induction” 5th Conference on Intelligent Systems (CIS 2003), Mashad, Sep. 2003
[24] Khadijeh Fazeli, Ali Yazdian, H. Sharafat,” Modification of IPsec packet structure to improve performance in satellite network” Proceedings of Eleventh Iranian Conference on Electrical Engineering, ICEE2003, Shiraz, Iran
[25] Ahmad R. Sharafat, Mehdi Rasti, and Ali Yazdian Neural Network Based Dynamic Anomaly Detection in Computer Networks: A Novel Training Paradigm Using Abnormal  Behavior 16th International Conference on Computer Applications in Industry and Engineering (CAINE03), Las Vegas, November, 2003.
[26] R. Keypour, H. Seifi and A. Yazdian-Varjani "A Genetic Based Algorithm for Allocation and Sizing of Active Power Filter," Elsevier Electric Power Systems Research, Accepted for Publication 2004.
[27] E. Heydarnejad, A. Yazdian, F. SafAra and S. Dastranj "E-Commerce Potential in Developing Small and Medium Industry Firms” Second Iranian Computer Conference, Mashhad, Iran pp. Dec 2003.
[28] E. Heydarnejad, A. Yazdian, F. SafAra and S. Dastranj "Information Technology Incubator and their Role in Developing Small and Medium Firms” Seventh Iranian Universities, Industry& Government Cooperation Congress, Isfahan, Iran, Dec 2003.

Work and Research Experience:


July 1999- Now    Tarbiat Modares University, Electrical and Computer Engineering Dept., Associate Professor in: Electronics
July 2002- Now    Iran Telecom Research Centre, Head of Planning and Management Dept., Senior Advisor and Board Member.
July 1999- 2001   "Scientific Network of Iran Project", Iranian Research Organization for science and Technology (IROST) Senior Advisor and Technical Manager of Project.
July Sept 1999- Feb 2000:    University of Sahid Beheshti, Electrical and Computer Engineering Dept., Associate Professor in: Electronic Circuit Theory, Electronics
July 1995- Dec 1998:   University of Wollongong, Electrical and Computer Engineering Dept., Teaching Assistant in: Electronic Circuit Theory, Electronics Nov.
1994- April 1995:   Broken Hill Petroleum (BHP) Engineering, Wollongong, Metallic Coating Line, Supervisory System programming.
July 1993- Dec 1994:   University of Wollongong, Electrical and Computer Engineering Dept., Teaching Assistant in: Electronic Circuit Theory, C++ Programming
Dec 1991- Oct. 1992:   Iran Electric Organization, Ministry of Energy, Teheran, Senior Engineer, "400 and 230 KV Power Transformers Standard project".
April 1990- Sep 1991:   Ministry of Energy, Technical Bureau for Power, Teheran, Expert Engineer, Standard & Substation Groups, "CT and CVT Standard Project".
Mar 1989- Mar 1990:   Electric Power Research Center (EPRC), Teheran, Senior Computer and Electrical Engineer, EMTP & PSS projects. May 1986- Dec. 1986:   Sharif University Research Center, Teheran, Research Assistant, "Design and implementation Z80 based microcontroller for CNC Machine" project.

Courses :

February 1991:
  "Computer Aided Design in Power System Distribution", UNESCAP, Bangalore, India, Electric Power Research Institute (One week).
Oct-Dec 1991:   "Design and Planning of Electrical instrument of Iranshaher's Power Plant", Schcoda Firm Co. Ltd Berno, Bratislava, Prag, Czechoslovakia (Three Months).
July 1992:   "Application Expert System in Power System: Prolog Programming", Electric Power Research Center, EPRC, Teheran, Iran (Two Weeks).
June 1997:   "Quality of Electricity Supply", Electricity Association of Australia (ESAA) University of Wollongong, Australia (One week).
August 1997:   "Surge Spike and transient Risk Management "Precision Power Pty Ltd, University of Wollongong, Australia (One week). January 1999:   "Advanced Java and IBM VisualAge based Programming in Education” IBM Education Dept, Sydney, Australia (4 Day). September 1999:   "Advanced Data Communication Network Management” Tellabs Company, Helsinki, Finland (4 week).
February 2000:   "IP Management of Data Communication Network" RIPE, Ankara Turkey.

Membership in Professional Societies :

IEEE student member (1994-1999),
Chairperson of IEEE student branch at the University of Wollongong (1994-995),
Union Board of Management of the University of Wollongong (1995-1997)
IEEE Member (1999-Now),
IEEE Student Branch Consoler Tarbiat Modares University, (2001-Now)
Tavanir PSC "Power Quality" and "Information Technology" Committee Member, (2001-Now)
Iran Electrical Engineering Association Member, (2003-Now)
Iran Computer Society Member, (2004-Now)
Iran Society Cryptography Member, http://www.isc.org.ir/ (2004-Now)

Computer Experience :

Texas Instrument DSP TMS320C3X programming,
Matlab and Mathematica programming.
C/C++ (Visual) , Java, and "FORTRAN" programming,
VAX_VMS, DOS, Mac, Windows, Linux, and Unix Operating System

Contributions :

During my PhD Study:
A new PWM switching strategy has been developed for full-bridge inverter which produces the lower total harmonic distortion and higher voltage magnitude. Also a new adaptive structure using resonator filter-bank and frequency demodulation techniques has been proposed for online harmonic estimation and reduction in active power filters. The proposed control strategy along with partial harmonic reduction schemes reduces the power rating required for active power filter while fulfilling the harmonic standard requirements.
During my Master Study:
A new structure for neural network-based short -term load forecasting is proposed which reduces the design complexity of the two stages, clustering and fore casting, neural network structures to a single stage. Further, it provides more accurate forecasting when compared with conventional methods.

Research Interests :


Power Electronics, PWM Based Drive,
Digital Signal Processing Applications in Power Electronics and System,
Power Quality, Active Power Filtering, Harmonic Cancellation
Artificial Intelligence,Artificial Neural Networks, Fuzzy Expert Systems Application in Power.
Application of IT technology in Education and Power System

Consultant and Workshop :

Internet and Web based Techniques in Academic Research
Technical Consultant of Data Communication Company of Iran (DCI)
Member of IT Committee of Shahid Beheshti University
Member of IT Committee of Tarbiat Modares University
Member of data communication committee of Telecom Research Centre
E-Mail Address :