Leonids RIBICKIS

Leonids RIBICKIS

Professor Leonids RIBICKIS
Vice-Rector for Research Riga Technical University
Director, Institute of Industrial Electronics and Electrical Drives,
Riga Technical University
Kalku iela 1
Riga, LV 1050
Latvia

Phone: +371 708 9400; +371 708 9415
Fax: +371 782 0094
E-mail: Leonids.Ribickis@rtu.lv

Born: August 24, 1947, Cesis region, Latvia

Interests:

Power Electronics
Electrical Drives
Electrical Machines
Process Control Systems

Languages: Latvian, English, Russian, and German

Education:

Riga Technical University (Faculty of Electrical Engineering), 1970
Dr.sc.ing. (Candidate of Technical Sciences in former USSR, Ph.D. in Western countries), Byelorussia Polytechnical Institute, 1980
Dr.habil.sc.ing., Riga Technical University, 1994
Professor, Riga Technical University, 1996 –

Experience

Engineer, Researcher, Senior Researcher, Head of Research Group, Laboratory of Power Traction Equipment, Riga Branch of SU Railway Carriage Building Research Institute, 1970-1975
Researcher, Ph.D. student, Assistant, Professor, Riga Technical University, 1975-1987
Associated Professor (Docent), Department of Electrical Drives and Power Electronics, Riga Technical University, 1983-1995
Head and Scientific Director, Research Laboratory of Electromechanotronics, Faculty of Electrical Engineering, Riga Technical University, 1987-1999
Professor and Head of Division of Industrial Electronic equipment, Faculty of Power and Electrical Engineering, Riga Technical University, 1996-
Director, Latvia Technology Park, 1996-2000
Director, Institute of Industrial Electronics and Electrical Drives, Faculty of Power and Electrical Engineering, Riga Technical University, 1999-
Vice-Rector for Research Riga Technical University, 2000-

Visiting Researcher:

Department of Electrical Machines, Budapest Technical University, 1979/1980 (10 months)

WEMPEC Group, Faculty of Electrical Engineering and Computer Sciences, University of Wisconsin, Madison, USA, 1986/87 (6 months)

Honours and Awards

Full Member, Latvian Academy of Sciences, 2007
Corresponding Member, Latvian Academy of Sciences, 2001
Bronze Medal, SU Exhibition of Industry Achievements and New Technologies, Moscow, 1979
Second Prix, All Union Industrial Exhibition, Kiev. 1985
Second Prix, International Exhibition on New Technologies, Varna, Bulgaria (1986)
Medal "Inventor of USSR", 1986
UK Royal Award, 1993

Professional Activities and Memberships

Delegate from Latvia, EU DG-12 Non Nuclear Energy Committee, 1999-
Member, European Power Electronics and Drives Association (EPE), 1995-
Board Member and Representative from Baltic states, Middle and East Europe Power Electronics and Motion Control (PEMC) division, European Power Electronics and Drives Association, 1998-
Board Member, Latvian National Committee, World Energy Council, 1996-
Member, Latvian Union of Scientists, 1990-
Member, Latvian Electrical Engineers Society, 1991-
Editorial Advisory Board for Journal Power and Electrical Engineering, Riga Technical University, 1999-
Member, Associations of Professors of Latvia, 1997-
President, Latvian Association of Technology Parks, Centres and Business Incubators, 1999-
Vice President, Academy of Intellectual Property and Innovations, 2000-
Board Member, Latvian Federation of Shooting Sport, 1999-
Member, Latvian Council of Science, 2003 -

Lectures

Invited Lecturer, Norwegian University of Science and Technology, Trondheim, November, 1994

Courses

Riga Technical University:

Electrical Drives
Industrial Electronic Equipment
Frequency Converters

Baltech Virtual University:

Innovation Management

Recent / Representative Publications

L.Ribickis. Analogue model of thyristor controlled AC drive for centrifugal pump. – Periodica Polytehnica Electrical Engineering, Budapest: BTU, 1981, vol.25. Nr.1, pp.55-67.
J.Greivulis, L.Ribickis. Thyristor Controlled AC Drives for Centrifugal Pumps. 1983, Riga: Zinatne Press, 218 p. (in Russian)
L.Ribickis, J.Greivulis. Centrifugal pump drive with slip power recovery. – Proceedings of 5^th Power Electronics Conference, Budapest`85, October 21-25, 1985, pp.265-272.
L.Ribickis, E.Muljadi. Induction machine phase balancing by unsymmetrical voltage control for general case of unbalance. – Proceedings of WEMPEC Review Meeting University of Wisconsin, Madison, USA, 1987, Madison, pp.88-92.
L.Ribickis, L.Rutmanis. A novel approach to control output voltage waveform of static converter. - Proceedings of the 6^th Conference on Power Electronics and Motion Control PEMC`90, Budapest, Hungary, 1990, vol.1, pp.895-897.
J.Greivulis, J.Avksthol, L.Ribickis. Sub-synchronous Converter Systems with Increased Efficiency, 1991, Riga: Zinatne Press, 217 p. (in Russian)
L.Ribickis, M.Liepins, L.Rutmanis, J.Stabulnieks. Alternative solution of direct frequency conversion for AC drives. - Proceedings of IEEE International Symposium on Industrial Electronics ISIE' 93, Budapest, Hungary, June 1-3, 1993, pp.440-442.
L.Rutmanis, J.Stabulnieks, L.Ribickis, M.Liepins. An alternative solution for a direct frequency conversion concept and research method. - Latvian Journal of Physics and Technical Sciences, 1993, 3, pp.67-72.
L.Ribickis, U.Ivbuls, J.Greivulis, S.Petrov. Static Kraemer drive with specially designed voltage inverter. - Proceedings of 4-th European Conference on Power Electronics and Application, Firenze, Italy, 1991, pp.301-305.
L.Ribickis, A.Pumpurs. Microprocessor control system in Riga Municipal Plant, Water Supply and Sewerage. - Proceedings International Conference Integrated Computer Applications in Water Supply Distribution, Leicester, UK, September 1-3, 1993, Leicester, 1993, pp.443-455.
L.Ribickis, S.Petrov, J.Greivulis, V.Pugachev. Inductor generator with the cantilever rotor. - Proceedings of International Conference on the Evolution and Modern Aspects of Synchronous Machines, Zurich, Switzerland, August 27-29, 1991, Part 3, pp.865-869.
L.Rutmanis, J.Stabulnieks, L.Ribickis. Illustrations of frequency conversion principle. - Latvian Journal of Physics and Technical Sciences, 1994. N1. pp.49-56.
Patent Nr. 5001 (Latvia), ISK H02K 19/20. Unipolar reluctance machine (S.Petrov, V.Pugacev, J.Greivulis, L.Ribickis), 1993.
L.Rutmanis, J.Stabulnieks, L.Ribickis, V.Belkov. Simplified methods of direct frequency conversion for a fan-type electrical drive. - Latvian Journal of Physics and Technical Sciences, 1995, N2, pp.46-52.
L.Ribickis. Theory and praxis of power electronic equipment of AC drives in water supply systems. - Baltic Electrical Engineering Review, 1995, Nr. 1, pp.46-48.
L.Ribickis, L.Rutmanis, J.Stabulnieks. Different power conversion modes as a single process. - Latvian Journal of Physics and Technical Sciences, 1996, Nr.1, pp.18 - 24.
L.Ribickis, I.Galkins, L.Rutmanis, J.Stabulnieks. Analysis of general switching variants of a direct frequency converter input voltages. - Latvian Journal of Physics and Technical Sciences, 1997, Nr. 2, pp.42 - 47.
I.Galkin, L.Ribickis. Matrix converters with pulse – width modulation. - Latvian Journal of Physics and Technical Sciences, 1998, Nr.4, pp.29-40.
L.Rutmanis, J.Stabulnieks, L.Ribickis. Direct frequency conversion process for different modes. - Proceedings of the 8th International Power Electronics & Motion Control Conference PEMC'98, September 8 - 10, 1998, Prague, Czech Republic, 1998, vol. 2, pp.80-84.
L.Ribickis, L.Rutmanis, J.Stabulnieks. Energy saving features in a direct frequency process. - Latvian Journal of Physics and Technical Sciences, 1999, Nr2, pp.3-9.
L.Ribickis, I.Galkin. Direct frequency converters for induction motor drives. -Proceedings of the IEEE International Symposium on Industrial Electronics ISIE`99, July 12-16, 1999, Bled, Slovenia, 1999, vol.1, pp.26-30.
L.Rutmanis, J.Stabulnieks, L.Ribickis. Estimation of the most favourable switching variants for a direct frequency conversion. - Proceedings of the 8^th European Conference on Power Electronics and Applications EPE`99, September 7-9,1999, EPFL Lausanne, Switzerland, 1999, pp.1-6.
I.Galkin, L.Ribickis. Power Factor Adjustment by Means of Direct Frequency Converters. - Proceedings of the 7^th Biennial Conference on Electronics and Microsystem Technology BEC 2000, 7-9 October 2000, TTU, Tallinn, Estonia, 2000, pp. 120-125.
I.Galkin, L.Ribickis. Reactive power control by means of matrix converters. - Proceedings of the 9^th European Conference on Power Electronics and Applications EPE2001, 27-29 August 2001 Graz, Austria, 2001, pp.1-8.
K.Mikelsons, L.Ribickis, J.Ekmanis, V.Zebergs, N.Zeltinsh. Free electricity market: Baltic experience. – Proceedings of IERE – SP Chine Forum, 2002, November 10-13, Crowne Plaza Guihe Jinan, Shonogong, People’s Republic of China, vol, 5, pp.17-24.
V.Pugachov, N.Levin, L.Ribickis, M.Mironov. A multipole asynchronous generator. – Latvian Journal of Physics and Technical Sciences, 2002, no 5, pp.65-66.
A.Vitols, L.Ribickis. Thyristor-based FACTS Controolers for electrical transmission systems. - Proc. 4th Res. Symp. of Young Scientists " Actual Problems of Electrical Drives and Industry Automation", Tallinn, May 17-21, TTU, 2003, pp. 97-104.
V.Pugachov, L.Ribickis, N.Levin, M.Manonov. A multipolar inductor generator of angular design for windmills. - Riga Technical Univesrsity Scientific Proceedings, 2003, vol.4, N 10, pp. 9-15.
E.Kamolins, N.Levin, V.Pugachov, L.Ribickis. Specific features of resistance step motors. – Latvian Journal of Physics and Technical Sciences, 2005, No 5, pp.27-35.
I.Rankis, L.Ribickis, A.Vitols. Comparison of two solutions of regeneration circuits foe tramcars. - Electronics and Electrical Engineering (Lithuania), 2006, N 5 (69), p. 53-56.

Research Projects

L.Ribickis. Induction Machine Phase Balancing by Unsymmetrical Voltage Control. – WEMPEC Reports University of Wisconsin, Madison USA (1986-1987).
L.Ribickis (Head of Project) Microprocessor Control System for Drinking Water Treatment System "Daugava" Plant Riga City. Riga Water and Sewage Municipal Enterprise (1985-1987).
L.Ribickis (Head of Project) Microprocessor Controlled AC Drive System for Centrifugal Pumps. Riga Water and Sewage Municipal Enterprise (1988-1989)
L.Ribickis (Head of Project) Microprocessor Controlled System for Coagulation and Filtration Processes in Drinking Water Treatment Enterprise "Daugava". Riga Water and Sewage Municipal Enterprise (1990-1991).
L.Ribickis (Head of Project). Microprocessor Control System of Pump Station of Sewage Water Treatment Enterprise "Daugavgriva". Riga Water and Sewage Municipal Enterprise (1991-1992).
L.Ribickis (Head of Project). Data Base for Drinking Water Pump Stations of Riga City. Riga Water Municipal Enterprise (1993)
L.Ribickis (Head of Project). Energy Sawing Converter for AC Drives. Latvian Council of Science (1992-1995)
L.Ribickis (Head of Project). Energosawing Power Electronic Converters and Control Systems with Neutral Networks and Fuzzy Logic Controllers. Latvian Council of Science (2001 - 2004).
L.Ribickis (Head of Project). Investigation of the Performance Optimisation Methods for Efficient Electrical Drives Systems. Latvian Council of Science (2001 -2004).
L.Ribickis (Head of Project). Power Electronic Converters and Control Systems with Neural Networks and Fuzzy Logic Controllers. Latvian Council of Science (2005 -).
L.Ribickis (Head of Project). Electrical drives system optimization and investigation of expert methods. Latvian Council of Science (2005 - ).

Avocations: Sports (shooting, badminton), singing, Member of the Male Choir "Gaudeamus".

Last update 25.11.2007