back to the list DETAILED LIST OF PUBLICATIONS
Published textbooks and books (13)
Scientific works published in refereed journals (21)
Scientific works published in refereed Romanian universities annals or equivalents (75)
Scientific works published in refereed proceedings of International conferences (70)
Scientific works published in refereed proceedings of Romanian national conferences (11)
Scientific works published in non-refereed conference proceedings (46)
1969
Crisan, A., Biró, K., Viorel, I.A. : Electrical machines I (General theory, Transformer) (in Romanian) (145 pages), Technical University of Cluj Publishing House, 1969.
Biró, K., Comsa, D., Crivii, M., Viorel, I.A. : Designing of electrical machines I. - Transformer and Induction motor (in Romanian) (93 pages), Technical University of Cluj Publishing House, 1969.
1973
Crisan, A., Biró, K., Viorel, I.A. : Electrical machines II - Induction machine, Synchronous machine (in Romanian) (302 pages), Technical University of Cluj Publishing House,1973.
1983
Biró, K., Viorel, I.A. , Iancu, V., Radulescu, M.M.: Testing Electrical Transformers (in Romanian) (77 pages), Technical University of Cluj Publishing House, 1983.
1990
Viorel, I.A. , Iancu, V.: Electrical machines and drives (in Romanian) (381 pages), Technical University of Cluj Publishing House, 1990.
1994
Iancu, V., Biró, K., Viorel, I.A. , Radulescu, M.M., Hedesiu, H.C.: Electrical machines laboratory tests (in Romanian) (48 pages) Technical University of Cluj Publishing House, 1994.
1998
Viorel, I.A. , Szabó, L.: Hybrid linear stepper motors (96 pages), Mediamira Publishing House, Cluj-Napoca, Romania, 1998.
2000
Viorel, I.A. , Ivan, D.M., Szabó, L.: Mathematical numerical methods applied in electrical engineering (in Romanian) (198 pages), Oradea University Publishing House, Romania, 2000.
2001
Henneberger, G., Viorel, I.A. : Variable Reluctance Electrical Machines (222 pages), Shaker Verlag, Aachen, 2001.
2002
Viorel, I.A. , R.C. Ciorba: Masini electrice în sisteme de actionare , UT Press, Cluj, 2002, ISBN: 973-8335-37-X.2003
Viorel, I.A. , G. Henneberger, R. Blissenbach, L Lövenstein: Transverse Flux Machines. Their behavior, design, control and applications , Mediamira Puplisher , Cluj-Napoca, 2003, ISBN: 973-9357-50-4.
R.C. Ciorba , Viorel, I.A. : Masini electrice si elemente de executie , Mediamira Puplisher , Cluj-Napoca, 2003, ISBN: 973-9357-49-0.
2004
Biró, K.A. , Viorel, I.A. , Szabó, L. , G., Henneberger: Special electrical machines (in Romanian), Mediamira Puplisher, Cluj-Napoca ( Romania), 2005. ISBN 973-713-055-3.Scientific works published in refereed journals :
1976
Newcomb, R.W., Viorel, I.A. : A method of induction motor speed control . Electric Machines and Electromechanics, An International Quarterly nr.1, 1976, pp. 99-102.
1977
Viorel, I.A.: Induction motor parasitic currents and torque computation (in Romanian), The Computer Applications to the Technical Problems, Dacia Publishing Company (Cluj, Romania) 1977, pp. 340-345.
1984
Viorel, I.A. , Radulescu, M.M.: The trapezoidal slot specific permeance calculation (in Romanian), EEA-Electrotehnica, vol. 32, 1984, nr.1, pp.16-19.
Viorel, I.A. , Radulescu, M.M.: On the induction motor variable equivalent air-gap permeance coefficients calculation (in Romanian), EEA-Electrotehnica vol. 32, 1984, nr. 3, pp. 108-111.
Viorel, I.A. , Mîndru, G., Radulescu, M.M., Szabó, Z.: Steady-state induction machine magnetic field computation via finite element method (in Romanian). EEA Electrotehnica, vol. 32, 1984, nr. 4, pp. 143-148.
1987
Radulescu, M.M., Viorel, I.A. : On finite element method force computation of the steady-state magnetic field (in Romanian), EEA Electrotehnica, vol.35. 1987, nr. 1, pp. 44-48.
1988
Radulescu, M.M., Iancu, V., Viorel, I.A. , Biró, K.: Computer-aided design technique for proportional electromagnets . In Electromagnetic Fields in Electrical Engineering, Edited by A. Savini and J. Turowski , Plenum Press, New-York 1988, pp. 275-278.
1994
Viorel, I.A. , Szabó, L.: Permanent-magnet variable-reluctance linear motor control , Electromotion, vol.1, no. 1 (1994), pp. 31-38.
1995
Henneberger, G., Viorel, I.A. , Ciorba, R.C.: Permanent-magnet synchronous motor with auxiliary excitation winding under unsymmetrical-input fault conditions , Electromotion, vol. 2, no. 4, 1995, pp. 181-187.
2001
Blissenbach, R., Viorel, I.A. , Henneberger, G.: On the single-sided transverse flux machine design , Electrical Machines and Power Systems, vol. 31, no. 2, pp. 109-127.
Viorel, I.A. , Husain I., Chisu, Ioana, Radu, Mihaela: On the design of double-salient radial-flux machine with the permanent magnets placed on the stator poles , Revue Roumaine des sciences techniques ? Série Electrotechnique et énergétique, Bucharest (Romania), vol. 46, no. 1 (Janvier/Mars 2001), pp. 67-77.
2002
Viorel, I.A. , R. Blissenbach, G. Henneberger, A.D. Popan: Transverse flux machine mathematical model , Revue Roumaine des sciences techniques - Série Electrotechnique et énergétique, Bucharest (Romania), vol. 48, no. 2-3, pp. 369-379.
2003
Viorel, I.A. , A.D. Popan, R. Blissenbach, G. Henneberger: On a transverse flux machine with permanent magnets in the stator , ELECTROMOTION, vol. 10 (2003), nr. 3, pp. 420-425.
2004
Szabó, L., Viorel, I.A. , I. Szépi: Linear and Planar Variable Reluctance Motors for Flexible Manufacturing Cells , Advances in Electrical and Electronic Engineering (Slovakia), no. 2, vol. 3, 2004, pp. 39-42 (ISSN 1336-1376).
Viorel, I.A. , Szabó, L., R.C. CIiorba, V. Barz: Intelligent Compact Drive System with a Synchronous Variable Reluctance Motor , Advances in Electrical and Electronic Engineering (Slovakia), no. 2, vol. 3, 2004, pp. 47-50 (ISSN 1336-1376).
Viorel, I.A. , J.J. Simond, Liliana Vicol: On the large synchronous machine parameters calculation , Advances in Electrical and Electronic Engineering (Slovacia), no. 2, vol. 3, 2004, pp.43-46 (ISSN 1336-1376).
Viorel, I.A. - Crivii M., Löwenstein L., Szabó, L., Gutman M.: Direct Drive Systems with Transverse Flux Reluctance Motors , Acta Electrotehnica, vol. 44, no. 3, 2004, pp. 33-40. ISSN: 224-2487.
Viorel, I.A. - Szabó, L., Löwenstein L., Stet C.: Integrated Starter-Generators for Automotive Applications , Acta Electrotehnica, vol. 44, no. 3, 2004, pp. 255-260. ISSN: 1224-2487.
2005
D. Fodorean , Viorel, I.A. - A. Djerdir, A. Miraoui: Double-Excited Synchronous Motor with Wide Speed Range: Numerical and Experimental Results , Iranian Journal of Electrical and Computer Engineering (IJECE), paper 344, 2005, in print.
D. Fodorean , A. Djerdir, A. Miraoui, Viorel, I.A. : Double-Excited Synchronous Motor Performances using the Flux-Simulink Coupling Technique , "Flux Magazine", 2005, in print.
Viorel, I.A. , Szabó, L., Tomescu Ilinca: Electrical Machines Computer Simulation by Using Circuit-Field Models , Acta Electrotehnica, vol. 45, no. 4, 2005, pp. 195-203. ISSN: 224-2487.
Scientific works published in refereed Romanian universities annals or equivalents :
1968
Biró, K., Crivii, M., Viorel, I.A. : Testing method to obtain the inductance of the wound rotor induction motor (in Romanian), Technical University of Cluj Scientific Journal, vol.11, part II, 1968, pp. 319-325.
1970
Crisan, A., Biró, K., Viorel, I.A. , Iancu, V.: Variable speed and frequency special synchronous machine (in Romanian), Technical University of Cluj Scientific Journal, vol.13, part III, 1970, (Electrical engineering), pp. 123-129.
Crisan, A. Biró, K., Viorel, I.A. , Iancu, V.: Unsymmetrical supply protecting device of squirrel cage induction motors (in Romanian), Technical University of Cluj Scientific Journal, vol.13, part III, 1970, (Electrical engineering), pp. 129-133
Lungu, S., Viorel, I.A. , Kovács, S.: Speed control via a voltage controlled source of a eddy-current coupling (in Romanian), Technical University of Cluj Scientific Journal, vol.13, part III, 1970, (Electrical engineering), pp. 167-170
1971
Crisan, A., Viorel, I.A. , Biró, K., Iancu, V.: Rotating brushes commutator type machine operating as induction motor (in Romanian), Technical University of Cluj Scientific Journal, vol.14, part III, 1971 (Electrical engineering), pp. 99-102.
1975
Viorel, I.A. : On the induction machine variable equivalent air-gap permeance calculation (in Romanian), Technical University of Cluj Scientific Journal, vol.18, 1975, pp. 52-54.
Crisan, A., Biró, K., Viorel, I.A. Iancu, V.: Some aspects on the high frequency induction motor design (in Romanian), Technical University of Cluj Scientific Journal, vol.18, 1975, pp. 54-55.
1976
Viorel, I.A. : Induction motor air-gap magnetic field calculation taking into account the slot openings (in Romanian), Technical University of Cluj Scientific Journal, vol.19, 1976, pp. 49-50.
1977
Iancu, V., Biró, K., Viorel, I.A. , Ignat, I.: Researches on single phase capacitor linear induction motor . c, vol.20, 1977, pp. 29-35.
1983
Radulescu, M.M., Viorel, I.A. , Biró, K. Iancu, V.: Permanent magnet modeling in finite element field analysis of electrical machines , Technical University of Cluj Scientific Journal, vol.26, 1983, pp. 49-54.
Viorel, I.A. , Topa, Marina, Kovács, Z.: Variable reluctance linear motor air-gap permeance calculation (in Romanian), Technical University of Cluj Scientific Journal, vol.27, pp. 27-32.
1985
Ivan, D.M., Viorel, I.A. : Automatic plotting of the electrical machines magnetic field (in Romanian) Scientific Journal on Applied Mathematics, University of Cluj, 1985, pp. 35-38.
1986
Comsa, D., Viorel, I.A. , Maghiar, T., Leuca, T., Iancu, V., Ignat, I.: The analysis of the cylindrical billets induction heating (in Romanian), Technical University of Cluj Scientific Journal, vol.29, 1986, Part III (Electrical engineering) pp. 7-11.
1989
Comsa, D., Viorel, I.A. , Maghiar, T., Iancu, V., Leuca, T.: Computer simulation of the cylindrical billets induction heating (in Romanian), Technical University of Cluj Scientific Journal, vol.32, 1989, part III (Electrical engineering), pp. 5-10.
1991
Viorel, I.A. , Szabó, L., Hedesiu, H.C.: Computer aided-design of an eddy-current coupling (in Romanian), Oradea University Annals, vol. I, part. I (Electrotechnical Section) 1991, pp. 74-79.
Viorel, I.A. , Ciorba, R.C., Moldovan, D.D.: Computer simulation of the eddy-current coupling dynamic behavior (in Romanian), Oradea University Annals, vol. I, part. I (Electrotechnical Section) 1991, pp. 80-87.
Ciorba, R.C., Viorel, I.A. : Magnetic field computing of an electrodynamic vibrator (in Romanian), Oradea University Annals, vol. I, part. I (Electrotechnical Section) 1991, pp. 21-29.
1992
Viorel, I.A. , Hedesiu, H.C.: On the induction motor field oriented control (in Romanian), Oradea University Annals, vol. 2, part. I (Electrotechnical Section), 1992, pp. 32-38.
Viorel, I.A. , Kovács, Z., Szabó, L.: Dynamic behavior of a closed loop controlled Sawyer type linear motor (in Romanian), Oradea University Annals, vol. 2, part. I (Electrotechnical Section), 1992, pp. 83-91.
Iancu, V., Viorel, I.A. , Biró, K., Radulescu, M.M., Hedesiu, H.C.: On the two phase linear induction motor of disk armature type (in Romanian), Oradea University Annals, vol. 2, part. I (Electrotechnical Section), 1992, pp. 165-172.
1993
Viorel, I.A. : On the permanent-magnet synchronous motor mathematical model (in Romanian), Oradea University Annals, vol. 3, part. II (Electrotechnical Section) 1993, pp. 7-12.
Viorel, I.A. : On the induction machine behavior under variable voltage and frequency supply conditions (in Romanian), Oradea University Annals, vol. 3, part. II (Electrotechnical Section) 1993, pp. 13-17.
1994
Viorel, I.A. : On the controlled induction motor energetically efficiency (in Romanian), Oradea University Annals, vol. 4, part. II (Electrotechnical Section), 1994, pp. 62-67.
Viorel, I.A. , Hedesiu, H.C.: Computer simulation of the field accelerating method controlled induction motor (in Romanian), Oradea University Annals, vol. 4, part. II (Electrotechnical Section), 1994, pp. 86-91.
Csapo-Martinescu, E., Viorel, I.A. , Szabó, L.: Brushless d.c. motor of claw-pole armature type (in Romanian), Oradea University Annals, vol. 4, part. II (Electrotechnical Section), 1994, pp. 57-61.
Viorel, I.A. , Hedesiu, H.: On the energetical efficiency of the field acceleration method controlled induction motor , Acta Electrotechnica Napocensis, vol. 35, 1994, pp. 55-60.
1995
Henneberger, G., Ciorba, R.C., Viorel, I.A. : On the behaviour of an unsymmetrically-suplied permanent-magnet synchronous motor , Oradea University Annals, vol. 5, part I (Electrotechnical Section), 1995, pp. 50-54.
Jufer, M., Crivii, M., Viorel, I.A. , Forrai, A.: Computer modelling of the switched reluctance motor , Oradea University Annals, vol. 5, part I (Electrotechnical Section), 1995, pp. 74-79.
Viorel, I.A. , Hedesiu, H.C.: Computer-based determination of the transformer leakage inductance (in Romanian), Oradea University Annals, vol. 5, part I (Electrotechnical Section), 1995, pp.188-191.
Viorel, I.A. , Hedesiu, H.C.: On electric machine parameter evaluation possibilities using data acquisition and LabVIEW graphical programming system (in Romanian), Oradea University Annals, vol. 5, part I (Electrotechnical Section), 1995, pp. 192-196.
Craciunas, Gabriela, Viorel, I.A.: The air gap field produced by the main frequency stator current of a passive-rotor electric machine (in Romanian), Acta Universitatis Cibiniensis: Technical Series, Part A, 20 (1995), pp. 19-24.
Craciunas, Gabriela, Viorel, I.A.: Magnetic field analysis of an elementary variable-reluctance machine (in Romanian), Acta Universitatis Cibiniensis: Technical Series, Part A, 20 (1995), pp. 25-30.
Viorel, I.A. : On the circuit-field model of electrical machines , "Gh.Asachi" Technical University of Iasi Scientific Journal, Tom XLI (XLV), Fasc. 5, Section III (Electrical engineering) 1995, pp. 37-44
Viorel, I.A. , Hedesiu, H.C., Forrai, A., Viorel, Alina-Cristina, Laslo, H.: Electric machines dynamic behaviour modelling by using LabVIEW graphical language , "Gh.Asachi" Technical University of Iasi Scientific Journal, Tom XLI (XLV), Fasc. 5, Section III (Electrical engineering) 1995, pp. 27-36.
Radu Mihaela, Viorel, I.A. , Iancu, V.: On an equivalent magnetic circuit model of a claw-pole type armature , "Gh.Asachi" Technical University of Iasi Scientific Journal, Tom XLI (XLV), Fasc. 5, Section III (Electrical engineering) 1995, pp. 45-52.
1996
Viorel, I.A. , Forrai, A.: On the switched reluctance motor mathematical model , Oradea University Annals, vol. 6, part I (Electrotechnical section), 1996, pp. 158-164.
Viorel, I.A. : Two phase squirrel cage induction machine field harmonics (in Romanian), Oradea University Annals, vol. 6, part I (Electrotechnical section), 1996, pp. 165-170.
1997
Viorel, I.A. , Radu, Mihaela, Karaisas, P.: Computer simulation of the synchronous generator steady-state and dynamic regime , Oradea University Annals, vol. 7 (Electrotechnical Section), 1997, pp. 76-81.
Viorel, I.A. , Proca, A.B., Keyhani, A.: On the design of the induction machines operating in fully controlled drive systems , Oradea University Annals, vol. 7 (Electrotechnical Section), 1997, pp. 82-87.
Viorel, I.A. , Forrai, A., Hedesiu, H., Ciorba, R.: The switched reluctance motor parameter identification , Oradea University Annals, vol. 7 (Electrotechnical Section), 1997, pp. 88-91.
1998
Viorel, I.A. , Rösler, E., Radu, Mihaela: On the computer simulation via SIMULINK of a permanent magnet synchronous motor dynamics , Oradea University Annals, vol. 8, (Electrotechnical Section), 1998, pp. 138-142
Viorel, I.A. , Chisu, Ioana, Szabó, L.: On the switched reluctance linear motor mathematical model , Oradea University Annals, vol. 8, (Electrotechnical Section),1998 , pp. 143-148
Csapo-Martinescu, E., Viorel, I.A. : Claw-pole armature DC brushless motor torque calculation (in Romanian), Oradea University Annals, vol. 8, (Energetics Section), 1998, pp. 83-92
Viorel, I.A. , Craciunas, Gabriela: Comparison between a two-phase and a three-phase induction motor with the same stator iron-core and squirrel cage rotor (in Romanian), Oradea University Annals, vol. 8, (Energetics Section),1998, pp. 41-47
1999
Viorel, I.A. , Szabó, L.: A Modular Hybrid Linear Stepper Motor , Oradea University Annals, Electrotechnics Section (C), pp. 187-192. ISSN: 1223-2106.
Viorel, I.A. , Radu, Mihaela, Tomescu, Ilinca: Double salient machine control strategy , Oradea University Annals, vol. 9, (Electrotechnical Section),1999, pp. 193-198
Chisu, Ioana, Viorel, I.A. , Biró, K.A.: The reluctance synchronous motor, a competitor to the induction motor , Oradea University Annals, vol. 9, (Electrotechnical Section), 1999, pp. 43-48
Hedesiu, H., Viorel, I.A. : Induction machine parameter identification using DC current injection with locked rotor , Oradea University Annals, vol. 9, (Electrotechnical Section),1999, pp. 108-113
2000
Szabó L., Viorel, I.A. , Józsa J.: Dynamic Simulation of a Novel Hybrid Linear Stepper Motor by Means of Matlab/Simulink , Oradea University Annals, Electrotechnics Section, 2000, pp. 49-54. ISSN: 1223-2106.
Viorel, I.A. , Popan, A., Radu Mihaela: A programming package for single-sided transverse flux motor dimensioning , Proceedings of the 3 th International Conference on Renewable Sorces and Environmental electro-technologies, RSEE '2000, Baile Felix (Romania), published in the Oradea University Annals (Electrotechnical Section), 2000, pp. 55-62.
2001
Viorel, I.A., Novac, O., Novac, Mihaela, Viorel, Alina: Switched reluctance motor computer design/estimation procedure , Oradea University Annals, vol. 5 (2001), pp. 464-469.
Viorel, I.A. , Iancu, V., Radu, Mihaela, Vintiloiu, Ioana: On the double salient permanent magnet generator mathematical model , Oradea University Annals, vol. 5 (2001), pp. 458--463.
2002
Viorel, I.A. , Szabó L.- Ciorba R.C.: Compact Variable Speed Drive System for Industrial Applications , Oradea University Annals, Electrotechnical Section, 2002, pp. 82-87. ISSN: 1223-2106.
Viorel, I.A. , Husain I., Chisu Ioana, Hedesiu H.C., Bíró K.Á., Szabó L.: Magnetic Field Analysis for a Reluctance Synchronous Machine , Oradea University Annals, Electrotechnical Section, 2002, pp. 78-81. ISSN: 1223-2106. )
Viorel, I.A. , Szabó L., Ciorba R.C.: Integrated Motor and Control Unit for Industrial Variable Speed Drive Systems , Proceedings of the First International Workshop on Electrical Drives and Control Systems in Industry, Cluj, 2002, pp. 40-47.
2003
Viorel, I.A. , Szabó L., Ciorba R.C., Barz, V. : Reluctance Synchronous Machine Based Compact Variable Speed Drive System , Oradea University Annals, Electrotechnical Section, 2003, pp. 340-347.
Viorel, I.A. , Popan, A.D., Barz, V.: On The Single Sided Transverse Flux Reluctance Motor Design , Oradea University Annals, Electrotechnical Section, 2003, pp. 348-354.
Popan, A.D., Viorel, I.A. : Two Phase Transverse Flux Permanent-Magnet Generator with a Toroidal Winding for a Wind Turbine Application , Oradea University Annals, Electrotechnical Section, 2003, pp. 289-292.
2004
Szabó L., Viorel, I.A. , Iancu V., Popa D.C.: Soft Magnetic Composites Used in Transverse Flux Machines , Oradea University Annals, Electrotechnical Section, 2004, pp. 134-141. ISSN: 1223-2106.
Stet C., Viorel, I.A. , Szabó L., Löwenstein L.: Hybrid Electric Vehicles Based on Switched Reluctance Motor Drives , Oradea University Annals, Electrotechnical Section, 2004, pp. 167-171. ISSN: 1223-2106.
Fodorean, D., Viorel, I.A. , Miraoui, A., Djerdir, A., Gutman, M.: On the performances of a synchronous motor with different rotor configurations , Oradea University Annals, Electrotechnical Section, 2004, pp. 105-109 (ISSN 1223-2106).
2005
Tataranu, B. , Viorel, I.A. , Claudia Martis: On the Variable Reluctance Synchronous Motor Air-Gap Field Harmonics , Oradea University Annals, Electrotechnical Fascicle, 2005, pp. 176-179, ISSN: 1223-2106.
Popa, D.C. , Iancu V. , Viorel, I.A. : A Comparison between Different Transverse Flux Motor Variants , Oradea University Annals, Electrotechnical Fascicle, 2005, pp. 162-165, ISSN: 1223-2106.
Vicol, Liliana, Viorel, I.A. , Stet, C.: On the Synchronous Machine Equivalent Circuits , Oradea University Annals, Electrotechnical Fascicle, 2005, pp. 180-183, ISSN: 1223-2106.
Gutman, M. , Viorel, I.A. , Fodorean, D. , Stet, C.: Different Variants of Permanent Magnet Synchronous Motors with Field Weakening Possibilities , Oradea University Annals, Electrotechnical Fascicle, 2005, pp. 150-153, ISSN: 1223-2106.
Szabó L. , Viorel, I.A. , F. Tóth, I. Szépi: High Performance Linear and Surface Motors for Advanced Flexible Manufacturing Systems , Oradea University Annals, Electrotechnical Fascicle, 2005, pp. 170-175. ISSN: 1223-2106.
Popa, D.C. , Iancu V. , Viorel, I.A. , Szabó L. : C.A.D. of Linear Transverse Flux Motors , Bulletin of the Polytechnic Institute of Iasi, Tome LI (LV), Fasc. 5, Electrotechnics, Energetics, Electronics, 2005, pp. 79-84. ISSN: 123-8139.
Claudia Martis, Viorel, I.A. : Modeling and Analysis of Micro-Integrated Electromagnetic Pump , Bulletin of the Polytechnic Institute of Iasi , Tome LI ( LV ), Fasc. 5, Electrotechnics, Energetics, Electronics, 2005, pp. 73-78. ISSN: 1223-8139.
Scientific works published in refereed proceedings of International conferences :
1982
Viorel, I.A. , Biró, K., Iancu, V.: Field-harmonic theory of squirrel cage motor taking slot openings into account . Proceedings of International Conference on Electric Machines (ICEM) 1982, Budapest, Part 1, pp. 17-19.
1983
Viorel, I.A. , Biró, K., Iancu, V., Radulescu, M.M., Oancea, C.: Salient-pole reluctance machine field analysis by finite-difference method , 28. Internationales Wissenschaftliches Kolloquium, 1983, Ilmenau, D.D.R., Heft 2, pp. 27-29.
1984
Viorel, I.A. , Mîndru, G., Biró, K., Iancu, V., Radulescu, M.M.: Analyse des Magnetfeldes von Asynchronmaschinen mit der Methode Finiter Elemente , 10. Wiss. Konf. der Sektion Elektrotechnik der T.U. Dresden, 1984, vol. M, pp. 59-61.
Iancu, V., Viorel, I.A. , Biró, K., Radulescu, M.M.: Traveling and pulsating fields in two-phase linear induction machines . Proceedings of ICEM 1984, Lausanne, part 2, pp. 505-508.
Viorel, I.A. , Radulescu, M.M., Iancu, V., Biró, K., Mîndru, G.: Nonlinear magnetic field analysis of induction machines at locked rotor condition , Proceedings of ICEM 1984, Lausanne, part 1, pp. 169-172.
Viorel, I.A. , Ignat, I., Biró, K., Iancu, V., Radulescu, M.M.: Processing routines for finite-element analysis of anisotropic and nonlinear electric fields , 29 Internatonales Wissenschaftliches Kolloquium, 1984, Ilmenau, D.D.R., Haft 1, pp. 105-107.
1986
Viorel, I.A. , Iancu, V., Radulescu, M.M.: Combined field-circuit model for induction machine performance analysis , Proceedings of ICEM 1986 , Munchen, vol. II, pp. 476-479.
1987
Viorel, I.A. , Topa, Marina, Radulescu, M.M., Iancu, V., Kovács, Z., Ivan, D.M.: Comparative field analysis approach in the Computer-Aided Design of Sawyer linear motors , Proceedings of International Conference on Electrical Machines. Beijing ,China, August 1987, vol, I, pp. 118-121.
Radulescu, M.M., Iancu, V., Viorel, I.A. , Biró, K.: Computer-aided design technique for proportional electromagnets , Proceedings of International Symposium on Electromagnetic Fields in Electrical Engineering, ISEF 87, Pavia, Italy, pp. 287-290.
Iancu, V., Biró, K., Palaghita, N., Viorel, I.A. , Radulescu, M.M.: SCR switch control of a linear induction motor driven drop hammer , Proceedings of the Second Conference on Power Electronics and Applications, Grenoble, France, 1987, vol. II, pp. 1197-1200.
1991
Biró, K., Viorel, I.A. , Iancu, V., Radulescu, M.M.: Dynamic modeling of inverter fed permanent magnet synchronous motors , Proceedings of the International Conference on the Evolution and Modern Aspects of Synchronous Machines, Zurich, 1991, pp. 229-233.
1992
Viorel, I.A. , Kovács, Z., Szabó, L.: Dynamic modeling of a closed- loop drive system of a Sawyer type linear motor , Proceedings of PCIM '92, vol. Intelligent Motion, pp. 251-257.
Viorel, I.A. , Kovács, Z., Szabó, L.: Sawyer type linear motor dynamic modeling , Proceedings of ICEM'92, pp. 697-702.
1993
Viorel, I.A. , Rösler, E.R., Hedesiu, H.C., Chis, M.: Field orientation concept in induction motor control, a new point of view , Proceedings of PCIM '93, vol. Intelligent Motion, pp. 439-445.
Viorel, I.A. , Szabó, L., Kovács, Z.: Quadrature field-oriented control of a linear stepper motor , Proceedings of PCIM '93, vol. Intelligent Motion, pp. 64-73.
Szabó, L., Viorel, I.A. , Kovács, Z.: Computer simulation of a closed-loop linear positioning system , Proceedings of PCIM '93, vol. Intelligent Motion, pp. 151-158.
Radulescu, M.M., Ciorba, R.C., Viorel, I.A. : Comparative field analysis of permanent-magnet brushless servomotors , Proceedings of the International Symposium on Electromagnetic Fields in Electrical Engineering (ISEF), 1993, Warsaw, Poland, pp. 101-104.
1994
Biró, K., Viorel, I.A. : On the synchronous machine dynamic behavior modeling , Proceedings of International Conference on Electrical Machines (ICEM) 1994, Paris, vol. II, pp. 134-138.
Viorel, I.A. , Biró, K., Szabó, L.: Transformer transient behavior simulation by a coupled circuit-field model , Proceedings of International Conference on Electrical Machines (ICEM) 1994, Paris, vol. III, pp. 654-659.
Viorel, I.A. , Csapo-Martinescu, E., Szabó, L.: Claw-pole brushless d.c. motor for a variable speed drive system , Proceedings of PCIM, 1994, Nürnberg, vol. Intelligent motion, pp. 127-131.
Szabó, L., Viorel, I.A. , Kovács, Z.: Variable speed conveyer system using e.m.f. sensing controlled linear stepper motor , Proceedings of PCIM, 1994, Nürnberg, vol. Intelligent motion, pp. 183-190
Viorel, I.A. , Hedesiu, H.C.: On the energetical efficiency of the field acceleration method controlled induction motor , Proceedings of European Power Electronics Chapter Symposium, Electric Drive Design and Applications, 1994, Lausanne, pp. 307-309.
Szabó, L., Viorel, I.A. , Kovács, Z.: E.M.F. sensing controlled variable speed drive system of a linear stepper motor , Proceedings of the Power Electronics, Motion Control International Conference (PEMC'94), Warsaw, Poland, vol. I, pp. 366-371.
1995
Viorel, I.A. , Biró, K.: Permanent-magnet synchronous motor simplified field-circuit model , Proceedings of the First International Symposium on Advanced Electromechanical Motion Control Systems, ELECTROMOTION '95, Cluj-Napoca, Romania, pp. 182-187.
Jufer, M., Crivii, M., Viorel, I.A. : On the switched reluctance motor air-gap permeance calculation , Proceedings of the First International Symposium on Advanced Electromechanical Motion Control Systems, ELECTROMOTION '95, Cluj-Napoca, Romania, pp. 135-140.
Henneberger, G., Viorel, I.A. , Ciorba, R.C.: The behaviour of the unsymmetrically-fed permanent-magnet synchronous motor with auxiliary excitation , Proceedings of the First International Symposium on Advanced Electromechanical Motion Control Systems, ELECTROMOTION '95, Cluj-Napoca, Romania, pp. 166-173.
Viorel, I.A. , Szabó, L., Kovács, Z.: On the linear stepper motor control basics , Proceedings of PCIM '95, Nürnberg, Germany, vol. Intelligent Motion, pp.481-494.
Henneberger, G., Viorel, I.A. , Ciorba, R.C.: On the behaviour of the permanent magnet synchronous motor when unsymmetrically fed , Proceedings of PCIM '95, Nürnberg, Germany, vol. Intelligent Motion, pp. 609-617.
Szabó, L., Viorel, I.A. , Kovács, Z.: Computer simulation of a constant velocity contouring system using x-y surface motor , Proceedings of PCIM '95, Nürnberg, Germany, vol. Intelligent Motion, pp. 375-384.
1996
Viorel, I.A. : On a steady-state circuit-field model of the squirrel-cage induction machine , Proceedings of OPTIM, 1996, Brasov, Romania, vol. IV, pp. 931-940.
Viorel, I.A. , Szabó, L.: The Control Strategy of a Drive System with Variable Reluctance Permanent-Magnet Linear Motor , Proceedings of the International Conference on Optimization of Electric and Electronic Equipments (OPTIM), Brasov, Romania, 1996, pp. 1593-1600. ISBN: 973-97549-7-X.
Forrai, A., Viorel, I.A. : Current wave form optimisation for switched reluctance motors based on neural networks , Proceedings of PCIM, 1996, Nürnberg, vol. Intelligent Motion, pp. 183-190.
Szabó, L., Viorel, I.A. , Kovács, Z.: Computer Aided-Design of a linear positioning system , Proceedings of PEMC'96, Budapesta, vol. II, pp. 263-267.
Viorel, I.A. , Forrai, A., Ciorba, R.C.: On the switched reluctance motor circuit-field model , Proceedings of ICEM'96, Vigo, Spain , vol. II, pp. 94-98.
1997
Viorel, I.A. , Hedesiu, H.C., Ciorba, R.C.: On the parameter identification of induction motors , Proceedings of Second Electromotion International Symposium, 1997, Cluj, Romania, pp. 138-142.
Viorel, I.A. , Forrai, A., Ciorba, R.C., Hedesiu, H.C.: Switched reluctance motor performance prediction , Proceedings of IEEE-IEMDC, Milwaukee, USA, 1997, TB1-4.1-4.3.
Viorel, I.A. , Szabó, L., Hedesiu, H.C., Kovács, Z.: Sensorless adaptive control of a linear stepper motor , Proceedings of PCIM'97, Nürnberg, vol. Intelligent Motion, pp. 429-438.
Viorel, I.A. , Ciorba, R.C., Chisu, Ioana, Radu, Mihaela: Electrical machines inductance computation via finite element method (in Romanian), Proceedings of International Conference on Electromechanical Systems (SIELMEC) 1997, Chisinau, R. Moldova, vol. I, pp. 149-152.
Radu, Mihaela, Viorel, I.A. , Iancu, V., Karaisas, P.: Scaling on models of the large synchronous generators (in Romanian), Proceedings of International Conference on Electromechanical Systems (SIELMEC) 1997, Chisinau, R. Moldova, vol. I, pp. 153-156.
1998
Szabó, L., Viorel, I.A.: Variable Reluctance Permanent Magnet Linear Motor Computer Aided Design , Proceedings of the International Conference on Optimization of Electric and Electronic Equipments (OPTIM), Brasov, Romania, 1998, pp. 305-310. ISBN: 973-98511-2-6.
Viorel, I.A. , Szabó, L., Kovács, Z.: On the Switched Reluctance Linear Motor Positioning System Control , Proceedings of the International Conference on Power Electronics, Drives and Motion (PCIM), Nürnberg (Germany), 1998, vol. Intelligent Motion, pp. 21-30. ISBN: 3-928643-20-7.
Hedesiu, H., Ciorba, R.C., Viorel, I.A. : Positioning drive system with compact induction motor , Proceedings of PCIM'98, Nürnberg, Germany, Vol. Intelligent Motion, pp. 477-484
Viorel, I.A. , Chisu, Ioana, Ciorba, R.C.: On the four phases double salient permanent magnet motors performances evaluation , Proceedings of ICEM '98, Istambul, Turkey, pp. 1184-1190
Rösler, E.R., Viorel, I.A. Hedesiu, H.C., Szabó, L.: Drive system with permanent magnet synchronous motor. Simulation and tests , Proceedings of PEMC '98, Prague, pp. 4.204-4.209
1999
Soran, I.F., Viorel, I.A. , Chisu, Ioana, Radu, Mihaela, Tomescu, Ilinca: Switched reluctance machine transient behaviour , Proceedings of Electromotion '99, Patras, Greece, pp. 155-160
Chisu, Ioana, Biró, K.A., Viorel, I.A. , Hedesiu, H, Ciorba, R: On the synchronous reluctance machine rotor geometry , Proceedings of Electromotion '99, Patras, Greece, pp. 161-166
Viorel, I.A. , Chisu, Ioana, Radu, Mihaela: Double salient permanent magnet generators , Proceedings of PCIM '99, Nürnberg, vol. Intelligent Motion, pp. 167-172
Szabó, L, Viorel, I.A. , Chisu, Ioana, Kovács, Z.- A novel double salient permanent magnet linear motor , Proceedings of PCIM'99, Nürnberg, vol. Intelligent Motion, pp. 285-290
2000
Viorel, I.A. , Henneberger, G., Tomescu, Ilinca, Vintiloiu, Ioana: A new approach to the computation of the switched reluctance motor dynamics , Proceedings of ICEM '2000, Helsinki, vol. 3, pp. 1605-1608
Soran, I.F., Viorel, I.A. , Chisu, Ioana: Torque harmonics content at start and low speed operation of a switched reluctance motor , Proceedings of ICEM '2000, Helsinki, vol. 4, pp. 1961- 1964
Henneberger, G., Viorel, I.A. , Blissenbach, R.: Single-sided transverse flux motor . Proceedings of EPE-PEMC '2000, Kosice, Slovak Republic, vol. 1, pp. 19-26.
Viorel, I.A. , Tomescu, Ilinca, Biró, K.A., Radu, Mihaela: Radial-flux double salient machines time domain simulation , Proceedings of EPE-PEMC '2000, Kosice, Slovak Republic, vol. 5, pp. 137-142.
2001
Viorel, I.A. , Hedesiu, H.C.: On the induction motors speed estimator robustness against their parameters , Proceedings of IEEE-EMDC '01 Conference, Cambridge, USA.
Viorel, I.A. , Szabó, L.: On a Three-Phase Modular Double Salient Linear Motor's Optimal Control , Proceedings of the 9 th European Conference on Power Electronics and Applications (EPE), Graz (Austria), 2001, on CD: PP00237.pdf. ISBN: 90-75815-06-9.
Szabó, L., Viorel, I.A. : An integrated CAD environment for designing and simulating double salient permanent magnet linear motors , Proceedings of the International Conference on Power Electronics, Drives and Motion (PCIM '2001), Nürnberg, Gemany, vol. Intelligent Motion, pp. 417-422.
2002
Viorel, I.A. , Husain, I., Chisu, Ioana, Hedesiu, H.C., Madescu, G., Szabó, L.: Reluctance Synchronous Machine with a Particular Cageless Segmental Rotor , Conference Record of the International Conference on Electrical Machines ICEM ?2002, Brugge (Belgium), on CD: 592.pdf. ISBN: 90-76019-18-5.
Crivii, M., Viorel, I.A. , Jufer, M., Husain, I.: 3D to 2D Equivalence for a Transvers Flux Reluctance Motor , Conference Record of the 15th International Conference on Electrical Machines, ICEM '2002 (Brugge, Belgium), on CD-ROM: 254.pdf.
Szabó, L. - Viorel, I.A. : On a High Force Modular Surface Motor , abstract in Proceedings of the 10 th International Power Electronics and Motion Control Conference (PEMC '2002), Cavtat & Dubrovnik (Croatia), 2002, pp. 384. Paper on CD: T8-052.pdf. ISBN: 953-184-046-6.
2003
Szabó, L., Viorel, I.A. , Dobai, J.B.: Multi-Level Modelling of a Modular Double Salient Linear Motor , Proceedings of the 4 th International Symposium on Mathematical Modelling (MATHMOD '2003), Viena (Austria), pp. 739-745, on CD: 115-Text-Lorand-Szabo.pdf. ISBN: 3-901-608-24-9.
2004
Viorel, I.A. , Crivii, M., Jufer, M., Viorel, A.: Scaling procedure applied to the transverse flux motors , Proceedings of the 16 th International Conference on Electrical Machines, ICEM'04, Cracow (Poland), 2004, Paper no. 500, CD-ROM (ISBN 12-345678-90).
Popan, A.D., Viorel, I.A. , Ciorba, R.C.: Two-phase transverse flux permanent-magnet machine . Proceedings of the 16th International Conference on Electrical Machines, ICEM'04, Cracow (Poland), 2004, Paper no. 501, CD-ROM (ISBN 12-345678-90).
Fodorean, D., Djerdir, A., Miraoui, A., Viorel, I.A. : Flux Weakening Performances for a Double-Excited Machine, Proceedings of the 16th International Conference on Electrical Machines, ICEM'04, Cracow (Poland), 2004, Paper no. 434, CD-ROM (ISBN 12-345678-90).
Viorel, I.A. , Szabó, L.- Ciorba, R.C., Barz, V., Puklus, Z.: Synchronous Reluctance Machine Based Compact Variable Speed Drive System , Proceedings of the International Conference on Power Electronics, Drives and Motion (PCIM), Nürnberg (Germany), 2004, vol. 2, pp. 201-206, on CD: S2c-4.pdf. ISBN: 3-928643-39-8.
Szabó, L., Viorel, I.A. , Dobai, B.J., Szépi, I.: Optimal Trajectory Generation for a Modular Planar Motor Used in Flexible Manufacturing Systems , Proceedings of the 11 th International Power Electronics and Motion Control Conference (EPE-PEMC '2004), Riga (Lituania), on CD: A53272.pdf. ISBN: 9984-32-070-7.
Fodorean, D., Viorel, I.A. , Miraoui, A., Gutman, M.: Comparison of Hybrid Excited Synchronous Motors for Electrical Vehicle Propulsion , Proceedings.of International Aegean Conference on Electrical Machines and Power Electronics, ACEMP'04, Istanbul (Turkey), May, 2004, pp.52-57 (ISBN 975-93410-1-8).
Viorel, I.A. , Szabó, L., Gutman M., Puklus Z.: Transverse Flux Motor Drive Dynamics , Proceedings of the 8 th IEEE International Conference on Intelligent Engineering Systems INES '2004, Cluj (Romania), 2004, pp. 393-396. ISBN: 973-662-120-0.
2005
Viorel, I.A. , Popan A.D., Szabó, L., Ciorba R.C.: Direct Drive System with Two Phase Transverse Flux Disc-Type Motor , Proceedings of the International Conference on Power Electronics, Intelligent Motion and Power Quality (PCIM 2005), Nürnberg (Germany), 2005, pp. 303-308. ISBN 3-928643-41-X.
Gutman, M. , Viorel, I.A. , Fodorean, D. : Extended Speed Range Drive System with Synchronous Motors, Proceedings of the 5 th International Conference on Electromechanical and Power System (SIELMEN '2005), Chisinau (Rep. Moldova), 2005, vol. 2, pp. 815-818, ISBN: 973-716-230-7.
Popa, D.C., Iancu, V., Viorel, I.A. : On the Transverse Flux Linear Motor Design, Proceedings of the 5 th International Conference on Electromechanical and Power System (SIELMEN '2005), Chisinau (Rep. Moldova), 2005, vol. 2, pp. 800-803, ISBN: 973-716-230-7. Fodorean, D. , Viorel, I.A. , A. Djerdir, A. Miraoui: A Comparison of the Main Classes of Brushless Motors by Analytical and Numerical Calculation , Proceedings of the 11 th International Conference on Electrical Machines, Drives and Power Systems ELMA '2005, Sofia (Bulgaria).
2006
Viorel, I.A. , Fodorean D., Viorel A., Szabó L.: Stand-Alone Double-Excited Synchronous Generator Operating on a Variable Load , Proceedings of the International Conference on Power Electronics, Intelligent Motion and Power Quality (PCIM '2006), Nürnberg (Germany), 2006, pp. 675-680. ISBN: 3-928643-43-6.
Szabó L., Viorel, I.A. , van Duijsen P.: Developing Control Techniques for Two-Coordinate Planar Positioning Systems by Means of Coupled Advanced Simulation Tools , Proceedings of the International Conference on Power Electronics, Intelligent Motion and Power Quality (PCIM '2006), Nürnberg (Germany), 2006, pp. 705-710. ISBN: 3-928643-43-6.
Scientific works published in refereed proceedings of Romanian national conferences :
1980
Viorel, I.A. , Iancu, V., Biró, K.: A method to establish optimum design data for a linear induction motor driving a drop hammer , Proceedings of the Second National Conference on Electrical Drives. Cluj-Napoca, May 1980, pp. C107-C110.
1982
Viorel, I.A. , Biró, K., Iancu, V., Radulescu, M.M.: On the microprocessor-based phase locked loop (PLL) speed control of induction motor drives , Proceedings of the Third National Conference on Electrical Drives, Brasov, May 1982, pp. C-49: C-54.
Palaghita, N., Biró, K., Viorel, I.A. , Iancu, V.: SCR switch for linear induction motor drop hammer drive , Proceedings of the Third National Conference on Electrical Drives, Brasov, May 1982, pp. B91-B94.
Viorel, I.A. , Biró, K., Iancu, V., Radulescu, M.M.: On a textile industry specific application of a synchronously operating induction wound rotor motors (in Romanian), Proceedings of the First National Conference on Electrical Engineering, Timisoara, Romania, 1982, part 6. (Electric Drives) pp. 227-235.
Iancu, V., Biró, K., Viorel, I.A. , Radulescu, M.M.: On the starting regime of the two-phase linear induction motor (in Romanian), Proceedings of the First National Conference on Electrical Engineering, Timisoara, Romania, 1982, part 6. (Electric Drives) pp. 115-120.
1984
Iancu, V., Biró, K., Viorel, I.A. , Radulescu, M.M.: On speed control of two-phase linear motor drives , Proceedings of the fourth National Conference on Electrical Drives, Craiova 1984, pp. A97-A102.
Viorel, I.A. , Kovács, Z., Topa, Marina, Radulescu, M.M., Ivan, M.: Linear variable reluctance motor magnetic field computation (in Romanian), Proceedings of the Second National Conference on Electrical Engineering, Craiova, Romania, 1984, part 6 (Electrical traction), pp. 173-182.
1988
Iancu, V., Biró, K., Palaghita, N., Viorel, I.A. , Radulescu, M.M.: Results on SCR switch control of a linear induction motor-driven drop hammer , Proceedings of the Sixth National Conference on electrical Drives, Timisoara, May 1988, part 4. pp. 47-52.
1992
Radulescu, M.M., Biró, K., Viorel, I.A. , Iancu, V., Hedesiu, H.C.: High-speed torque control of brushless d.c. motors for traction drives , Proceedings of the Eighth National Conference on Electrical Drives, Iasi 1992, part 1, pp. A6/1-6
1998
Viorel, I.A. , Craciunas, Gabriela : On a steady-state circuit-field mathematical model of the two phase induction machine , Proceedings of 9 th National Conference on Electrical Drives, CNAE'98, Craiova, Romania, pp. 67-72
Scientific works published in non-refereed conference proceedings :
1969
Kelemen, A., Viorel, I.A. : On the step by step operating mode of an induction machine, a theoretical approach (in Romanian), Proceedings of the Technical University of Cluj Scientific Conference, 1969, pp. 473-478.
1971
Crisan, A., Simion, E., Iancu, V., Biró, K., Viorel, I.A. : On the steady-state regime of the feroresonant single phase induction motor (in Romanian), Proceedings of the Technical University of Cluj Scientific Conference, 1971, pp. 459-461.
Crisan, A. Viorel, I.A. : Some considerations on the equations of the double fed electrical machines (in Romanian), Proceedings of the Technical University of Cluj Scientific Conference, 1971, pp. 463-468.
1978
Viorel, I.A. , Székely, T.: On the induction machine end winding leakage inductance calculation (in Romanian), Proceedings of the Technical University of Cluj Scientific Conference, 1978, Section: Electrical Equipment Design, Control and Implementation, pp. 20-23.
Viorel, I.A. , Biró, K. Ignat, I.: Transformer transient computer simulation considering iron core saturation and losses (in Romanian), Proceedings of the Technical University of Cluj Scientific Conference, 1978, Section: Electrical Equipment Design, Control and Implementation, pp. 24-28.
Moldovan, V., Crisan, A., Viorel, I.A. , Biró, K., Iancu, V., Necrelescu, I., Szilágyi, C.: Researches on the choosing mode for the linear induction motor of a drop hammer electrical drive (in Romanian), Proceedings of the Technical University of Cluj Scientific Conference, 1978, Section: Electrical Equipment Design, Control and Implementation, pp. 29-32.
Szilágyi, C., Iancu, V., Biró, K., Viorel, I.A. , Panoiu, I.: Power electronic switch with thyristors to supply induction motors (in Romanian), Proceedings of the Technical University of Cluj Scientific Conference, 1978, Section: Electrical Equipment Design, Control and Implementation, pp. 38-42.
Moldovan, V., Crisan, A., Iancu, V., Biró, K., Viorel, I.A. , Szilágyi, C., Necrelescu, I.: Linear electrical motor drive of a drop hammer, actual and future solutions (in Romanian), Proceedings of the Technical University of Cluj Scientific Conference, 1978, Section: Heavy Industry Equipment, pp. 38-44.
Moldovan, V., Crisan, A., Iancu, V., Viorel, I.A. , Biró, K., Necrelescu, I., Szilágyi, C.: Drop hammer drive linear motor design (in Romanian), Proceedings of the Technical University of Cluj Scientific Conference, 1978, Section: Heavy Industry Equipment, pp. 45-47.
Moldovan, V., Crisan, A., Iancu, V., Viorel, I.A. , Biró, K., Necrelescu, I., Szilágyi, C.: Drop hammer drive linear motor control hardware (in Romanian), Proceedings of the Technical University of Cluj Scientific Conference, 1978, Section: Heavy Industry Equipment, pp.48-52.
Moldovan, V., Crisan, A., Iancu, V., Viorel, I.A. , Biró, K., Necrelescu, I., Szilágyi, C.: Test bench results obtained on a sample drop hammer driven by a linear induction motor (in Romanian), Proceedings of the Technical University of Cluj Scientific Conference, 1978, Section: Heavy Industry Equipment, pp. 53-58.
1981
Viorel, I.A: On the possibility to use the d.c. machine in a wind independent low power plant (in Romanian), Proceedings of the Conference on Energetic, Cluj, Romania, 1981, pp. 24-25.
Viorel, I.A: On the possibility to use the synchronous generator in a wind low power independent power plant (in Romanian), Proceedings of the Conference on Energetic, Cluj, Romania, 1981, pp. 25-26.
1982
Viorel, I.A, Biró, K., Iancu, V., Radulescu, M.M.: Eddy current coupling with improving starting and braking dynamics (in Romanian) Proceedings of the Conference on Electrical Machines, 1982 (COMEP'82) Pitesti, Romania, pp. 103-109.
1983
Viorel, I.A, Biró, K., Iancu, V., Radulescu, M.M.: Computing induction machine iron core saturation and losses via a step by step procedure (in Romanian) Proceedings of the Conference on Electrical Machines, 1983 (COMEP'83) Pitesti, Romania, pp. 180-187.
Biró, K., Viorel, I.A, Iancu, V., Radulescu, M.M.: Inverter fed induction machine starting and plugging transients (in English and Romanian) Proceedings of the National Symposium on the Electrical Machines Supplied from a Power Electronic Converter, Bucuresti 1983, pp. 275-282.
1984
Viorel, I.A, Biró, K., Iancu, V., Radulescu, M.M.: The slot openings influence on the squirrel cage induction machine air gap field harmonics (in Romanian), Proceedings of the National Symposium on the Electrical Machines Designing and Manufacturing, Timisoara 1984, vol.1, pp. 27-34.
Biró, K., Kovács, Z., Viorel, I.A, Iancu, V., Radulescu, M.M.: Permanent-magnet d.c. servomotor, design and test results (in Romanian), Proceedings of the National Symposium on the Electrical Machines designing and Manufacturing, Timisoara 1984, vol. 2, pp. 261-265.
Viorel, I.A, Biró, K., Iancu, V., Radulescu, M.M.: Induction machine torque-speed characteristic computation taking magnetic field harmonics into account (in Romanian), Proceedings of the Conference on Electrical Machines, 1984 (COMEP'84) Pitesti, Romania, pp. 53-59.
Radulescu, M.M., Viorel, I.A. , Biró, K., Iancu, V., Stoia, D.: Finite-element transient field analysis of permanent-magnet d.c. machines , INTERMAG 1984, Hamburg, Digest of Summaries, pp. 292.
1985
Radulescu, M.M., Viorel, I.A. , Biró, K., Iancu, V.: Two-dimensional finite element modeling of anisotropic ferrite magnet machines , Digest of Summaries of the 5th Conference on the Computation of Electromagnetic Fields, Fort-Collins 1985, pp. 168-171.
1986
Topa, Marina, Viorel, I.A, Kovács, Z.: Computer modeling of variable reluctance linear motor magnetic circuit (in Romanian) Proceedings of the National Symposium on the Electrical Machines designing and Manufacturing, Timisoara, 1986, pp. 27-34.
Radulescu, M.M., Iancu, V., Viorel, I.A, Biró, K., Arustei, G.: Analyse des statischen Verhaltens Mancher elektromecanischen Wandler fur Proportional-hydraulik , Proceedings of the Symposium on Sensors and Measurements, Cluj 1986, vol. I., pp. 138-141.
1988
Viorel, I.A, Ciorba, R.C.: Computer simulation of an electrodynamic vibrator (in Romanian), Proceedings of the National Symposium on Vibrations Study, Cluj 1988, pp. 192-197.
1989
Viorel, I.A, Ciorba, R.C., Balint, Ilona: Computer modeling of the a.c. homopolar generator (in Romanian) , Proceedings of the Conference on Electrical Machines, 1989 (COMEP'89) Pitesti, Romania, 1989, pp. 11-18.
Viorel, I.A, Kovács, Z., Nagy, F., Literat, M.D.: On the Sawyer type linear motor designing procedure (in Romanian), Proceedings of the Conference on Electrical Machines, 1989 (COMEP'89) Pitesti, Romania, 1989, pp. 87-98.
1992
Radulescu, M.M., Biró, K., Viorel, I.A. , Iancu, V.: Torque control of rectangular fed brushless permanent-magnet motors for electric vehicle propulsion , Proceedings of the 11 th International Electric Vehicle Symposium (Florence, 27-30 Sept.1992), vol. 2, pp. 16.04/1-11.
1995
Viorel, I.A. , Forrai, A.: New master's program in computer-aided manufacturing , Proceedings of the 6th Annual Conference of Alliance of Universities for Democracy, Budapest, 1995, pp. 137-141.
Forrai, A., Viorel, I.A. : CAM: management and electrical engineering, specific aspects , Proceedings of the 6th Annual Conference of Alliance of Universities for Democracy, Budapest, 1995, pp. 147-150.
Viorel, I.A. , Forrai, A., Hedesiu, H.C., Viorel, Alina: On the SIMULINK usefulness in modelling of electric machines dynamic behaviour , Proceedings Nordic MATLAB Conference'95: NMC'95, 31 october-1 November 1995, Stockholm, Sweden, pp. 95-101.
2000
Biró, K.A., Viorel, I.A. , Iancu, V.: Induction machine parameter estimation . Proceedings of MICROCAD '2000, Miskolc, Hungary, vol. F (Electrotechnics-Electronics), pp. 13-18.
Viorel, I.A. , Szabó, L.: On the computation of the double-salient machines air-gap variable equivalent permeance . Proceedings of MICROCAD '2000, Miskolc, Hungary, vol. F (Electrotechnics-Electronics), pp. 89-94
Szabó L., Viorel, I.A. , Józsa J.: Efficiency improvement of the modular hybrid linear motors (in Hungarian), International Conference on Energetics and Electrotechnics ENELKO '2000, Cluj, Romania, October 2000, pp. 50-56.
Viorel, I.A. : Electrical machines transient regime computation, a personal point of view (in Romanian), Proceedings of Scientific Seminar "Electrical machines and drives XXI", Timisoara, Romania, December 2000, pp. 51-58.
Biró, K.A., Iancu, V., Viorel, I.A. : Induction machine parameters estimation based on catalogue data (in Romanian), Proceedings of Scientific Seminar "Electrical machines and drives XXI", Timisoara, Romania, December 2000, pp. 47-50.
2001
Henneberger, G., Viorel, I.A. , Blissenbach, R.: On the parameters computation of a single sided transverse flux motor , Proceedings of the Workshop on Electrical Machine's Parameters , Cluj (Romania), 2001, pp. 35-40.
2002
Szabó L., Viorel, I.A. , Szépi I.: FEM Analysis of a Three-Phase Modular Doubly Salient Linear Motor , Proceedings of the Workshop on Variable Reluctance Electrical Machines , Cluj, 2002, pp. 48-51. ISBN: 973-662-120-0.
Popan, A.D., Viorel, I.A. , R. Blissenbach: A Passive Rotor Transverse Flux Motor , Proceedings of the Workshop on Variable Reluctance Electrical Machines , Cluj, 2002, pp. 35-39.
Miraoui, A.,Fodorean, D., Viorel, I.A. : Hybrid Synchronous Motor with Flux Weakening Winding , Proceedings of the Workshop on Variable Reluctance Electrical Machines , Cluj, 2002, pp. 5-8.
Miraoui, A., Viorel, I.A. , Fodorean, D.: Synchronous Direct Drive System with Extended Speed Domain , Workshop on Electrical Drives and Control System in Industry, 25-26 Iulie, 2002, Cluj-Napoca, pp. 15-21.
2004
Viorel, I.A. , Alina C.Viorel: Transverse flux generator based wind mill- a solution for small power stand-alone systems , (in Romanian), Proceedings of the National Symposium on Renewable Energies, Sibiu (Romania)nian), on CD-ROM.