Viorel Trifa

Universitatea Tehnica din Cluj Napoca, Cluj Napoca, .

E-mail: trimite un mesaj.

Pagina web a instituţiei: http://www.utcluj.ro
Pagina web personala: http://bavaria.utcluj.ro/~trifa/index.html

Nascut(a) in: 1946

Interese: sisteme microprogramate, circuite logice, servomecanisme, inteligenta artificiala

Detalii:
Prof. Viorel TRIFA, MSc, PhD

CURRICULUM VITAE


DATE PERSONALE
Nume si prenume: Trifa Viorel
Nascut: 10 Sept., 1946, in Turda, Romania
Residenta: Str.Marinescu nr. 30, RO-3400 Cluj-Napoca, Romania
Stare civila: casatorit (1 copil, 24 ani)
Cetatenie: Romana
Limbi straine: Engleza, Franceza si putin Germana/Rusa
Pregatire academica: licentiat fac. Electrotehnica, Univ. Tehnica din Cluj Napoca, Romania, 1969
Calatorii profesionale: Hungary, Italy, Germany, Switzerland, United Kingdom, Turkey, Greece, Finland
Hobiuri: gradinarit, vanatoare, pescuit
OCUPATIA ACTUALA
Profesor de Sisteme microprogramate, Circuite logice, Servomecanisme, Inteligenta artificiala, Fac. de Electrotehnica, Univ. Tehnica din Cluj Napoca, Romania.

EVOLUTIE PROFESIONALA
Scoala primara: 1953-1959, Ciucea, jud. Cluj
Liceul: 1960-1964, Teius, jud. Alba
Facultatea de Electrotehnica: 1964-1969, Univ. Tehnica din Cluj Napoca, 1969
Stagiul de doctorat: 1973-1978, Univ. Tehnica din Timisoara, titlul tezei: "Sisteme de pozitionare cu motoare pas cu pas", Titlul de Doctor inginer in specialitatea inginerie electrica din 1978.
Conducator de doctoart din 1991, specialitatea Inginerie electrica, numar de doctoranzi: 10 pe an, doctoranzi finalizati pana in prezent: 3

ACTIVITATE PROFESIONALA
Asistent univ: 1969-1976, Fac. de Electrotehnica, Universitatea Tehnica din Cluj Napoca, Romania
Sef de lucrari: 1976-1981,
Conferentiar: 1981-1991,
Profesor: dupa 1991, toate in aceeasi institutie.

INTERES PROFESIONAL
Comanda numerica a Actionarilor electrice
Servomecanise si Comanda inteligenta a miscarii.

PREMII STIINTIFICE
Premiul pentru inventii aplicate, 1985.

SOCIETATI AFILIATE
Asociatia Generala a Inginerilor din Romania (AGIR)
Asociatia Nationala de Actionari Electrice
Asociatia Nationala a Inventatorilor
Societatea Nationala de Retele Neuronale

PUBLICATII
114 lucrari publicate (75 publicate in Romania si 39 publicate in strainatate) cu precadere in domeniul Comenzii numerice a Actionarilor electrice.
12 brevete de inventie in domeniul sistemelor de comanda a actionarilor electrice.

CARTI (toate in l. romana)
1. Acţionãri electrice. Indrumãtor de laborator / Electrical Drives. Laboratory Works Handbook. Printing Office of Polytechnic Institute of Cluj, 1974. Co-authors : A. Kelemen and M. Crivii.

2. Acţionãri electrice. Probleme şi aplicaţii industriale / Electrical Drives. Problems and Industrial Applications. Editura Tehnica, Bucharest, 1979. Co-authors : M. Braşovan, E. Seracin, N. Bogoevici and A. Kelemen.

3. Sisteme de comandã şi reglare incrementalã a poziţiei / Incremental Motion Control and Regulation Systems. Editura Tehnica, Bucharest, 1981. Co-authors: B.C. Kuo (USA), A. Kelemen and M. Crivii.

4. Servomecanisme / Servo-mechanisms. Printing Office of Polytechnic Institute of Cluj, 1981.

5. Servomecanisme. Indrumãtor de laborator / Servo- mechanisms. Laboratory Works Handbook. Printing Office of Polytechnic Institute of Cluj, 1984.

6. Servomecanisme. Aplicaţii/Servo-mechanisms. Applications. Printing Office of Polytechnic Institute of Cluj, 1989.

7. Sisteme microprogramate / Microprogrammed systems. Printing office of Technical University of Cluj-Napoca, 1992.

8. Aplicaţii în sisteme logice programate / Applications in programmed logic systems. Editura MEDIAMIRA, Cluj-Napoca, 1995, ISBN 973-96983-5-2.

9. Reţele neuronale artificiale. Arhitecturi fundamentale / Artificial neural networks. Fundamental architectures. Editura MEDIAMIRA, Cluj-Napoca, 1996, ISBN 973-97790-4-2, Co-author Elena Gaurã.

10.Sisteme microprogramate. Îndrumãtor de laborator / Microprogrammed systems. Laboratory Works Handbook". Printing office of Technical University of Cluj-Napoca, 1997.

11. Bazele informaticii / Basis of informatics. Editura Dimitrie Cantemir, Târgu Mureş, 1999, ISBN 973-8042-08-09, Co-author Cristian Alexandru Rusu.

12. Circuite logice - culegere de probleme / Logic circuits - Applications Handbook. Printing office of Technical University of Cluj-Napoca, 2000, co-authors: Ovidiu Rabulea, Adrian Peculea.

13. Introducere in hardware (Partea I si II)/Introduction to hardware (Part I and II). Technical reports. Technical University of Cluj-Napoca, 2002, ISSN 1453-875X.

DOMENII DE CERCETARE ABORDATE
Designing and construction of VR and PM stepping motors;
Designing PWM inverters for low power a.c. and stepping motors;
Designing various transducers for electrical drives: incremental encoders, sensorless back e.m.f. transducers, capacitive transducers for step detection;
Experimenting various algorithms to control the electrical drives, such as: PLL, Robust control, Vector control based on the field-orientation principles;
Modelling and simulation of vector & robust controlled electrical drives;
Implementing PC-based control structures for electrical drives using I/O interface modules and DSPs;
Fuzzy and Neuro Positioning Controllers.

PARTICIPARI LA CONFERINTE INTERNATIONALE
International Conference of Electrical Drives (ICEM), Budapest 1982, Espoo/Fonland 2000
International Conference of Mathematical Modelling in Science and Technology, Zurich 1983
International Conference of Electrical Machines and Drive Systems (INCEMADS), Eforie Nord 1986
International Conference of Electrical Drives (ICED), Poiana Brasov 1988
The 4th Conference on Power Electronics and Applications (EPE), Florence 1991
Aegean Conference on Electrical Machines and Power Electronics (ACEMP), Kusadasi-Izmir 1992 and 1995
EPE Chapter Symposium on Electric Drive Design & Applications, Lausanne 1994.
International Symposia "Electromotion", Cluj-Napoca 1995+1997, Patras 1999, Bologna 2001.
International Workshop CADEMEC'99, Cluj-Napoca 1999.

RESIDENTE PROFESIONALE
University of Manchester (UMIST), as TEMPUS Fellow (1-30 April 1993) and as CEC Visiting Fellow (1 May - 31 July 1993).






Cluj, Aug. 2001 Prof. V. Trifa

Technical University of Cluj
Faculty of Electrical Engineering
15 C. Daicoviciu St.
RO-3400 Cluj Napoca, Romania
Office tel. (40)64-194834 ext. 183
Home tel. (40)64-198202
Fax (40)64-192055
E-mail: trifa@edr.utcluj.ro
Home page: http://bavaria.utcluj.ro/~trifa/index.html

Details:
Prof. Viorel TRIFA, MSc, PhD

CURRICULUM VITAE


PERSONAL DATA
Name & first name: Trifa Viorel
Born: 10th of September, 1946, in Turda, Romania
Residence: 30 Marinescu St., RO-3400 Cluj-Napoca, Romania
Marital status: Married (1 child)
Citizenship: Romanian
Languages: English, French and some German nad Russian
Academic Background: Degree in Electrical Engineering, Technical University of Cluj, Romania, 1969
Professional Travels: Hungary, Italy, Germany, Switzerland, United Kingdom, Turkey, Greece
Hobbies: Gardening, Fishing and Hunting.

PRESENT POSITION
Professor of Microprogrammed Systems, Logic circuits and Servomechanisms at the Department of Electrical Engineering, Chair of Electrical Drives and Robots, Technical University of Cluj, Romania.

PROFESSIONAL ACHIEVEMENTS
Primary school: 1953-1959, Ciucea, Cluj County
Secondary school: 1960-1964, Teius, Alba County
Faculty of Electrical Engineering: 1964-1969, Technical University of Cluj, MSc earned 1969
Doctorate stage: 1973-1978, Technical University of Timisoara, title of PhD thesis: "Stepping motor positioning control systems", Doctoral degree earned 1978, speciality of Electrical Engineering
Doctorate supervisor since 1991, speciality of Electrical Engineering (Applied Informatics), number of doctorate students: 10

PREVIOUS EMPLOYMENT
Assistant Professor: 1969-1976, Department of Electrical Engineering, Technical University of Cluj, Romania
Lecturer: 1976-1981,
Associate Professor: 1981-1991,
Professor: 1991- , all in the same institution.

PROFESSIONAL INTERESTS
Digital Control of Electrical Machines
Servomechanisms & Intelligent motion control.

SCIENTIFIC PRIZES
National Reward for Applied Inventions, 1985.

SOCIETIES AFFILIATED
Romanian Socieţy of Engineers (AGIR)
National Association of Electrical Drives
Romanian Association of Inventors
Romanian Neural Networks Society
National Society of Hunters.

PUBLICATIONS
114 scientific papers (75 published in Romania and 39 published abroad) mainly in the field of Digital Control of Electrical Drives.
12 national patents in the field of incremental motion control systems and applications.

BOOKS (all in Romanian)
1."Electrical Drives. Laboratory Works Handbook", 1974;
2."Electrical Drives. Problems & Industrial Applications", 1978;
3."Incremental Motion Control & Regulation Systems", 1981;
4."Servo-mechanisms", 1982;
5."Servo-mechanisms, Laboratory Works Handbook", 1984;
6."Servo-mechanisms, Applications", 1989;
7."Microprogrammed systems", 1992.
8."Applications in programmed logical systems", 1995
9."Artificial neural networks. Fundamental architectures", 1996
10."Microprogrammed systems. Laboratory Works Handbook", 1997.
11. "Basis of informatics", 1999.
12. "Logic circuits. Application Handbook", 2000.

RESEARCH TOPICS
Designing and construction of VR and PM stepping motors;
Designing PWM inverters for low power a.c. and stepping motors;
Designing various transducers for electrical drives: incremental encoders, sensorless back e.m.f. transducers, capacitive transducers for step detection;
Experimenting various algorithms to control the electrical drives, such as: PLL, Robust control, Vector control based on the field-orientation principles;
Modelling and simulation of vector & robust controlled electrical drives;
Implementing PC-based control structures for electrical drives using I/O interface modules and DSPs;
Fuzzy and Neuro Positioning Controllers.

INTERNATIONAL CONFERENCES ATTENDED
International Conference of Electrical Drives (ICEM), Budapest 1982, Espoo/Fonland 2000
International Conference of Mathematical Modelling in Science and Technology, Zurich 1983
International Conference of Electrical Machines and Drive Systems (INCEMADS), Eforie Nord 1986
International Conference of Electrical Drives (ICED), Poiana Brasov 1988
The 4th Conference on Power Electronics and Applications (EPE), Florence 1991, Graz 2001.
Aegean Conference on Electrical Machines and Power Electronics (ACEMP), Kusadasi-Izmir 1992 and 1995
EPE Chapter Symposium on Electric Drive Design & Applications, Lausanne 1994.
International Symposia "Electromotion", Cluj-Napoca 1995+1997, Patras 1999, Bologna 2001.
International Workshop CADEMEC'99, Cluj-Napoca 1999.

PROFESSIONAL RESIDENCIES
University of Manchester (UMIST), as TEMPUS Fellow (1-30 April 1993) and as CEC Visiting Fellow (1 May - 31 July 1993).






Cluj, Aug. 2001 Prof. V. Trifa

Technical University of Cluj
Faculty of Electrical Engineering
15 C. Daicoviciu St.
RO-3400 Cluj Napoca, Romania
Office tel. (40)64-194834 ext. 183
Home tel. (40)64-198202
Fax (40)64-192055
E-mail: trifa@edr.utcluj.ro
Home page: http://bavaria.utcluj.ro/~trifa/index.html

Publicații selectate:

* V. Trifa, O. Rãbulea, A. Peculea, Labview implementation of a switched reluctance motor controller, Proceedings of the 9th European Conference on Power Electronics and Applications, EPE'01, Graz, Austria, 2001.