1. The stability of a hybrid-type closed-loop stepping motor control system (A. Kelemen, V. Trifa). Proceedings of Incremental Motion Control Systems and Devices , Univ. of Urbana-Champaign, Illinois, USA, 1977, pp. 375-378.

2. The influence of drive circuit parameters on the performances of stepping motors (A. Kelemen, V. Trifa). Proceedings of IFAC Simposium, Dusseldorf, West Germany, 1977, Pergamon Press, pp. 643-649.

3. Analysis and synthesis of the closed-loop stepping motor control systems (A. Kelemen, M. Crivii, V. Trifa). Proceedings of Incremental Motion Control Systems and Devices, Univ. of Urbana- Champaign, Illinois, USA, 1978, pp. 359-368.

4. Analysis of a hybrid - type a. c. - 3 phase - stepping motor. (A. Kelemen, M. Crivii, V. Trifa). Proceesding of International Conference of Electrical Machines (ICEM), 1982, Budapest, Hungary, pp.290-293.

5. Phase-locked loop control of stepping motors (A. Kelemen, V. Trifa, M. Crivii). Proceesding of International Conference of Electrical Machines (ICEM), 1982, Budapest, Hungary, pp.301-304.

6. Mathematical modelling and simulation of stepping motor systems (A. Kelemen, M. Crivii, V. Trifa). The 4th Intern. Conf. of Math. Modelling, Zurich, Switzerland, 1983. Pergamon Journals Limited, 1985, pp 544-549.

7. Stepping motor positioning control of industrial robots (A. Kelemen, V. Trifa, M. Crivii). 28 Int. Wiss. Koll. Ilmenau, East Germany, 1983, pp. 271-274.

8. Stepping motor device for robot driving (A. Kelemen, V. Trifa). Int. Conf. of Robots, Varna, Bulgaria, oct., 1983.

9. Haromfazisu lepteto - aszincron hibrid motor modellje viszgalata/Numerical modelling and simulation of a hybrid - type 3 - phase asynchronous motor (A. Kelemen, M. Crivii, V. Trifa). Electrotechnika, Hungary, nr. 10 - 11, 1983, pp. 342-348.

10. Thyristor inverter for power stepping motors (M. Crivii, V. Trifa, A. Broscoi). Proceedings of International Conference of Electrical Machines (ICEM), Lausanne, Switzerland, 1984, pp. 285-288 (vol. 1).

11. Mathematical modelling and simulation of a hybrid-type linear stepping motor (M. Crivii, V. Trifa). AMSE Press, Athens, Greece, 1985, vol. 5, nr. 4, pp 9-19.

12. Phase control of a disc-armature linear two-phase servomotor (V. Iancu, V. Trifa). Proceedings of the first European Conference on Power Electronics and Applications (EPE), Bruxelles, Belgium, 1985, pp. 195-199 (vol. 1).

13. Analysis of a transistor controlled stepping motor (M. Crivii, V. Trifa, A. Broscoi). Proceedings of the first European Conference on Power Electronics and Applications (EPE), Bruxelles, Belgium, 1985, pp. 285-288 (vol. 1).

14. Stepping motor control system for driving a microrobot (A. Kelemen, M. Crivii, V. Trifa, M.-H. Cornea). Proceedings of International Conference of Electrical Machines (ICEM), Munchen, West Germany, 1986, pp. 321-324.

15. Vector control of PM - hybrid stepping motors (A. Kelemen, V. Trifa, Maria Imecs). Proceedings of European Conference on Power Electronics and Applications (EPE), Aachen, West Germany, oct. 1989, pp. 263-268.

16. Mathematical modelling and simulation of vector - controlled PM - hybrid stepping motors (A. Kelemen, V. Trifa, Maria Imecs). Proceedings of Power Electronic and Motion Control Conference (PEMC), Budapest, Hungary, oct. 1990, pp. 764-767.

17. Vector-control strategy of PM-hybrid stepping motors (A. Kelemen, V. Trifa, Maria Imecs). Proceedings of Int. Conf. on Modern Aspects of Synchronous Machines - SM 100, Zurich, Switzer- land, 1991, pp. 506-511.

18. Capacitive angular transducer for toothed air gap stepping motors (V. Trifa, A. Broscoi). Proceedings of the 4th European Conference on Power Electronics and Applications (EPE), Florence, Italy, 1991, pp. 332-337 (vol. 3).

19. Teaching stepping motor control strategies using IBM-PC /XT/AT computers (V. Trifa, R. Munteanu). Proceedings of the 1st Aegean Conference on Electrical Machines and Power Electronics, Kusadasi Turkey, 1992, pp. 130-135 (vol. 1).

20. Mathematical modelling and simulation of self-commutated PM-hybrid stepping motor (V. Trifa, A. Forrai, Cs. Szasz). Proceedings of ICEM'92 Conference, Manchester, UK, 1992, pp. 692- 696 (vol. 2).

21. Sliding mode controlled robot drive with variable reluctance stepping motor (V. Trifa, Cs. Szasz, A. Forrai). Proceedings of Power Electronic and Motion Control Conference (PEMC'94), Warsaw, Poland, Sept. 1994, pp. 389-394.

22. Tracking control with switched reluctance motors (V. Trifa, Cs. Szasz, Mihaela Cistelecan, A. Forrai). Proceedings of Power Electronic and Motion Control Conference (PEMC'94), Warsaw, Poland, Sept. 1994, pp. 437-441.

23. Modelling and experimenting the PWM inverter-fed PM-hybrid stepping motor (V. Trifa, R. Marschalko, A. Szekely, Cs. Szasz). Proceedings of Electrical Drive Design & Applications, Lausanne, Switzerland, Oct. 1994, pp. 513-518.

24. Neural network based modelling and simulation of PM-hybrid stepping motor drive (V. Trifa, R. Munteanu, Elena Gaura). Proceedings of the 2nd Aegean Conference on Electrical Machines and Power Electronics (ACEMP'95), Kusadasi Turkey, pp. 460-463, vol. 2/2.

25. Neuro-control approach of switched reluctance motor drives (V. Trifa, Elena Gaura, L. Moldovan). Proceedings of the 8th Mediterranean Electrotechnical Conference MELECON'96, Bari, 13-16 May 1996, pp. 1461-1464, vol. 3.

26. A neural sliding-mode controller with enhanced input space for an inverted pendulum via a gear train (Mihaela Cistelecan, V. Trifa). Proceedings of the 7th International Power Electronics & Motion Control Conference PEMC'96, Budapest, pp. 177-181.

27. Neuro-control based positioning system with switched reluctance motor (V. Trifa, R. Munteanu). Proceedings of the International Conference on Artificial Neural Networks and their Application Possibilities. Nov. 18-19, 1996, Kosice-Slovakia, pp. 9-12.

28. Implementing of a vector controlled PM-hybrid stepping motor servodrive (R. Marschalko, Cs. Szasz, V. Trifa, I. Szasz). Proceedings of the 8th International Power Electronics & Motion Control Conference PEMC'98, Prague, pp. 182-186, vol.4.

29. Aspects concerning the commutation of 8/6 switched reluctance motors (V. Trifa, Ramona Galatus, A. Szekely, Cs. Szasz). Proceedings of the 3rd International Symposium on advanced Electromechanical Motion Systems, Electromotion'99, 8-9 July 1999, Patras, pp. 125-130.

30. Experimenting of a simplified vector control system with PM-hybrid stepping motor (Cs. Szasz, R. Marschalko, V. Trifa, A. Szekely). Proceedings of International Intelligent motion '99 Conference, Nurnberg, 22-24 June 1999, pp. 291-294.

31. A Simulink Model of the 4-phase Switched Reluctance Motor Drive (V. Trifa, Ramona Galatus). Proceedings of the 28th Annual Symposium on IMCSD, San Jose, USA, 27 Jul. 1999, pp. 13-19.

32. Graphical Assessment of 8/6 Switched Reluctance Motor Performances.(V. Trifa, Ramona Galatus, A. Szekely). Proceedings of the 10th Symposium on Power Electronics Ee'99, Novi Sad, Yugoslavia, 14-16 Oct. 1999, pp. 421-426.

33. Adaptive fuzzy logic controller for an induction motor supplied by a PWM voltage source inverter (D. Pîrjan, S. Ivanov, P. Sente, V. Trifa). Proceedings of the 9th International Power Electronics & Motion Control Conference PEMC'2000, Kosice, pp. 6/76-81.

34. Study and design of an 8/6 switched reluctance motor controller (V. Trifa, R. Munteanu, O. Rabulea, A. Peculea). Proceedings of ICEM'2000 Conference, Espoo, Finland, 28-30 Sept. 2000.

35. Fuzzy logic control for an induction motor supplied by a PWM voltage source inverter/current source inverter (D. Pirjan, V. Trifa, S. Ivanov, P. Sente). Proceedings of International Intelligent motion '2000 Conference, Nurnberg, 6-8 June 2000, pp. 319-324

36. Electromagnetic investigation of an 8/6 switched reluctance motor (V. Trifa, O. Rabulea, A. Peculea). Proceedings of INES 2000, Portoroz, Slovenia, 17-19 Sept. 2000, pp. 351-354.

37. Experimental study on labVIEW implementation of a switched reluctance motor controller (V. Trifa, O. Rabulea, A. Peculea). Proceedings of Electromotion Conference, 19-20 June 2001, Bologna, vol. 2, pp. 473-476.

38. Labview implementation of a switched reluctance motor controller (V. Trifa, O. Rabulea, A. Peculea). Proceedings of the 9th European Conference on Power Electronics and Applications, EPE'01, Graz, Austria, printed on CD.

39. Virtual instrumentation for a switched reluctance motor using Labview environment (V. Trifa, A. Graur, O. Rabulea). Proceedings of the 11th Intern. Symposium on Power Electronics - Ee 2001, Novi Sad, Yugoslavia, pp. 283-285.

40. LabVIEW virtual instrumentation for a switched reluctance motor (V. Trifa, A. Graur, O. Rabulea). Electronics, vol. 5, No. 1-2, December 2001, Faculty of Electrical Engineering, University of Banjaluka, Republic of Srpska, Bosnia and Herzegovina, YU ISSN 1450-5843, pp. 78-81.

41. Nonlinear Modelling of Switched Reluctance Motor (V. Trifa, O. Rabulea, L. Zarnescu). Proceedings of the Power Electronic and Motion Control (PEMC) Conference, Dubrovnik, Croatia, 9-11 Sept. 2002. Printed on CD, ISBN: 953-184-047-4.

42. Determination of the switched reluctance motor inductivity using artificial neural networks (V. Trifa, O. Rabulea, C. Marginean). Proceedings of the 4th Int. Conf. on Electromechanical and Power Systems, SIELMEN'04, Chisinau, 26-27 sept. 2003, vol. 1, pp. 19-22.

43. Personalized information retrieval system in the art higher education (Doina Ienei, V. Trifa, I. Sbarciu, Cornelia Melenti, Oana Gui. Proceedings of the 4th Int. Conf. on Electromechanical and Power Systems, SIELMEN'04, Chisinau, 26-27 sept. 2003, vol. 1, pp. 241-243.

44. Auto-tuning of switched reluctance motor drives based on artificial neural networks (V. Trifa, A. Graur, O. Rabulea , C. Marginean). Proceedings of the12th Intern. Symposium on Power Electronics – Ee 2003, Novi Sad, Serbia&Montenegro. Printed on CD, paper no. T4-1.3, pp 1-3.

45. Self-commissioning of switched reluctance motor drives based on artificial neural networks (V. Trifa, O. Rabulea, C. Marginean). Proceedings of 5th Electromotion Conference, 26-28 nov. 2003, Marrakesh – Maroc, ISSN 1223-057X, pg. 619-622, vol.II.

46. Investigation of a PWM inverter for supplying reluctant electric motors (V. Trifa, L. Zarnescu). Revista "Ingenerare", nr. 17/2004, pag. 27-32. Pontificia Universidad Católica de Valparaíso, Facultad de Ingeniería, Escuela de Ingeniería Informática, Valparaíso, Chile.

47. Aspects concerning the implementation of a virtual laboratory for electric reluctant motors using the internet (V. Trifa, C. Marginean, C. Rusu). Proceedings of 6th Electromotion Conference, 27-29 sept. 2005, Lausanne – Switzerland. Printed on CD.

48. Low Cost Visual Servo System (D. Moga, D. Frentiu, V. Trifa, Nicoleta Stroia, T. Marita). Proceedings of 6th Electromotion Conference, 27-29 sept. 2005, Lausanne – Switzerland. Printed on CD.

49. Proposal for a Computerized Cytological Screening System (R. Galatus, T. Marita, S. Persa, D. Moga, M. Dumitrean, V. Trifa). Proceedings of the 6th International Carpathian Control Conference, 24-26 May 2005, Lilafured-Miskolc, Hungary, pp.443-448, ISBN 963 661 645 0.

50. A versatile system for home rehabilitation of post-surgery patients (D. Moga, F. Neaga, M.R. Dumitrean, P. Dobra, R.A. Munteanu, and V.Trifa). Proceedings of the 3rd European Biological and Medical Engineering Conference, EMBEC’05, Nov 20-25, 2005, Prague, Czech Republic. Printed on CD, ISSN 1727-1983, © 2005 IFMBE.

51. Direct electric in-wheel driving of a bicycle using reluctant motors (V. Trifa, M. Cistelecan, C. Marginean). Proceedings of the 7th Electromotion Conference, 10-12 Sept. 2007, Bodrum – Turkey, ISBN 978-975-93410-2-2, pp.17-20.

52. Study and design of a special reluctant motor for direct electrical drive of a bicycle (V. Trifa, C. Rusu, C. Marginean). Sielmen Conference, Chisinau, 2007. Analele Universitatii din Craiova, seria: Inginerie electrica, anul 31, nr. 31, 2007, vol I, ISSN 1842-4805, pp. 25-30.

53. FEM Analysis of Reluctant Motors for Direct Driving of the Light Electric Vehicles (V. Trifa, C. Marginean, Olivia Trifa). The XVIII International Conference on Electrical Machines ICEM’08, Vilamoura, Portugal, 6-9 Sept. 2008. IEEE Catalog Number CFP0890B-CDR, ISBN 978-1-4244-1736-0. Printed on CD.

54. Setting-up 3D-FEM analysis of an inverse reluctance motor for driving light electric vehicles (V. Trifa, C. Marginean, Olivia Trifa). The 8th Electromotion Conference, EPE Chapter “Electric Drives”, July 1-3, 2009, Lille-France. ISBN: 978-2-915913-25-5 / EAN: 9782915913255. Printed on CD.

55. 3D Graphical Investigation of an Inverse Reluctance Motor for Driving Light Electic Vehicles (V. Trifa, A. Graur, C. Marginean). The 15th Intern. Symposium on Power Electronics – Ee 2009, Novi Sad, Serbia, 28-30 Oct. 2009. Printed on CD.

56. Computer Controlled Experimental Equipment for Reluctance Motors (C. Marginean, V. Trifa, Ana-Maria Marginean). Ibidem.

57. A Custom Flexible Experimental Setup to test Air Source Heat Pumps for Smart Buildings (V. Craciun, C. Bojesen, V. Trifa). InternationalConference of Numerical Analysis and Applied Mathematics, Kos, Greece, 19–25 September 2012. ISSN: 0094-243X (print), 1551-7616 (online);ISBN: 978-0-7354-1091-6.

 

Cluj Napoca, Jan 2013