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Research:
1984-1987: Claude Bernard University- Lyon - France
Working on the association of electric machines with static converters: Modeling, Monitoring, transient phenomena

1987-1988: Leroy Somers Motors - St Symphorian d'Ozon - France
Working on the design and construction of electric machines: Computer Aided Design concepts.

1988-1996: Claude Bernard University - Lyon - France
Working on the monitoring of defaults in Electric Machines: Real time survey. And on the calculation of iron losses (Hysteresis & Eddy Currents) in Electric Machines and in Hard materials (Ferrite) Using Finite Element Methode and difference Element Methode: Resolution of Maxwell's equations.

1996-1997: Lebanese University & National Center for Scientific Research - Beirut - Lebanon
Working on the Electric conductivity of gazes and liquids under very high Electric fields. 

1997-1999: Lebanese University & National Center for Scientific Research - Beirut - Lebanon
Working on the Modeling of parasite phenomena (Saturation and Harmonics) in induction machines with solid rotor. 

1999 up-to-date: Lebanese University & St-Etienne University
A common Research Project with DIOM laboratory in St-Etienne University: Working on Characterization of thin magnetic films used in passive microwave components (measurement of the permeability of thin magnetic films)

Articles & Publications:

1. JAMMAL: " Performances d'un moteur asynchrone triphasé avec capacités série? et court-circuiteur parallèle", D.E.A. - Génie Electrique, Juin 1985, GRENOBLE/LYON, I.N.P.G./E.C.L.

2. JAMMAL: "Etude d'un variateur de vitesse asynchrone à fréquence constante et court-circuiteur périodique statique", Thèse de Diplôme de Doctorat (Génie électrique), U.C.B.L., ISIDT LYON 1, Avril 1988, (Jury: Président R. PERRET, Examinateurs: Ph. AURIOL, B. DAVAT, G. GILLES, G. GRELLET, F. PELTIER). 

3. JAMMAL: "Modélisation des convertisseurs électromagnétiques: Application à l'optimisation et à la surveillance", Diplome d'Habilitation à diriger des recherches Scientifiques, Université Lyon I, Juin 1994, (Jury: Président LAJOIE-MAZENC, Examinateurs: J.M. KAUFFMANN, R.PERRET, A. RAZEK, R. THOMSON, G. GRELLET).

4. JAMMAL & G. GRELLET: "Modelisation and stability of an asynchronous motor drive supplied at constant frequency and voltage", Electrical Machines and Power Systems, U.S.A., volume 16, N° 2, 1989.

5. A. JAMMAL, G. GRELLET & J.P. SIBEUD: "Embrayage ralentisseur électromagnétique asynchrone à rotor massif pour véhicule lourd", Journée S.E.E. "Les actionneurs électriques", Valence novembre 1989. R.G.E n° 6, 1990 PARIS.

6. ABOU-AKAR, G.GRELLET & A. JAMMAL: "Space harmonics in saturated cage induction motors. The effects of geometric and winding parameters", Electrical Machines and Power Systems, U.S.A, mars 1991.

7. THOLLON, A. JAMMAL, G. GRELLET: Asynchronous motor cage fault detection through Electromagnetic Torque measurement", accepté pour être publiée dans la revue européenne ETEP (European transactions on Electrical Power Engineering), Vol. 3, N° 4, sep./oct. 1993.

8. M. CHRAYGANE, M. TEISSIER, A. JAMMAL, J.P. MASSON: Modélisation d'un transformateur à shunts magnétiques utilisé dans l'alimentation H.T. d'un générateur Micro-ondes à magnétron, proposé au Journal de physique III, septembre 1993.

9. BOUCETTA, A. JAMMAL, G. GRELLET: "Computing Ferrite core losses at high frequency by Ferrite Elements Method, Including Temperature Influence", IEEE transactions on magnetic, vol. 30, N°5, Sept. 1994, USA.

10. H. YAHOUI, J. SEETOHAL, G. GRELLET, A. JAMMAL: "Detection of Broken Bar or ring in Asynchronous Machines by Spectrum Analysis of the observed Electromagnetic Torque", E.T.E.P., Vol. 5, N° 1, janvier/fevrier 1995, Allemagne.

11. JAMMAL & G. GRELLET: "Steady state performance of an asynchronous motor drive with series capacitors and parallel switched impedance", International Conference on Evolution and Modern aspects of Induction Machines, Turin, ITALIE, Juillet 1986.

12. JAMMAL & G. GRELLET: "Modelisation and stability of an asynchronous motor drive supplied at constant frequency and voltage", Electrical Machines and Power Systems, U.S.A., volume 16, N° 2, 1989.

13. JAMMAL, G. GRELLET & J.P. SIBEUD: "Embrayage ralentisseur électromagnétique asynchrone à rotor massif pour véhicule lourd", Journée S.E.E. "les actionneurs électriques", and Valence novembre 1989. R.G.E n° 6, 1990 PARIS.

14. ABOU-AKAR, G. GRELLET & A. JAMMAL: "Space harmonics in saturated cage induction motors. The effects of geometric and winding parameters", I.C.E.M. 90. August 1990, Cambridge Massachusetts U.S.A.

15. BOUCETTA, A. JAMMAL, G. GRELLET, D. WAGNER: "Calcul des pertes dans les ferrites excités par onde non-sinusoïdale à haute fréquence", Colloque Génie électrique 91, Ministère de la recherche ET de la technologie, 5-6 Nov. 1991, Paris.

16. M. TEISSIER, A. JAMMAL, G. GRELLET, P. BLANCHARD: "Self-excitation of a saturated non loaded and loaded asynchronous generator", I.C.E.M.92, 13-17 Sep. 1992, Manchester U.K.

17. F. BADIN, P. MAILLARD, A. JAMMAL, G. GRELLET: "Véhicule bi-mode", S.I.A. 8 avril 1992, Toulouse.

18. F. BADIN, P. MAILLARD, A. JAMMAL, G. GRELLET: "Electric and hybrid vehicle component", 11th International Electric Vehicle Symposium, 27-30 Sep. 1992, Florence - ITALY.

19. F. BOUILLAULT, A. JAMMAL, G. GRELLET: "Determination of the resistances of "plate-shaped" extremity rings of an alternator damper". International workshop on electric and magnetic fields. Liege, BELGIUM, 28-30 September 1992

20. F. THOLLON, A. JAMMAL, G. GRELLET: "Détection des défauts des rotors des machines asynchrones à cage par mesure du couple électromagnétique", Journées S.E.E. 10-11 dec. 1992, PARIS.

21. BOUCETTA, A. YAHOUI, A. JAMMAL, G. GRELLET: "Influence de la température sur les caractérisiques électriques ET magnétiques des ferrites de grandes dimensions", EPF'92, 18-20 Nov. 1992, Marseille.

22. P. VENET, G.GRELLET, DARNAND H., A. JAMMAL: "Etude des paramètres caractérisant le vieillissement thermique accéléré de condensateurs électrolytiques aluminum", EPF'92, 18-20 Nov. 1992, Marseille.

23. F. BADIN, P. MAILLARD, A. JAMMAL, G. GRELLET: "Simulation software for calculation of vehicle energy consumption and driveability", International multiconference "DATA, Systems", 7-9 dec. 92 Calcutta, Inde.

24. AH-JACO, A. JAMMAL, F. BADIN: "Modelling of battery-PWM inverter-asynchronous motor group for electric vehicle drive chain", VP/CV 93 - SEE, 5-8, oct. 1993, LA ROCHELLE

25. BOUCETTA, A. JAMMAL, G. GRELLET: "Computing ferrite core losses at high frequency by finite elements method including temperature influence ", COMPUMAG'93, sept. 1993, MIAMI, USA.

26. F. THOLLON, A. JAMMAL, G. GRELLET: "Asynchronous motor cage fault detection through Electromagnetic Torque measurement", 3d International conference on the Reability and lifetime of electrical Machines, oct. 1991, Budapest.

27. H. YAHOUI, A. JAMMAL, G.GRELLET: "Thermal Monitoring of three phase asynchronous machine", proposed to ICEM 94, SUPELEC - PARIS.

28. M. TEISSIER, A. JAMMAL, M. CHRAYGAN, J.P. MASSON: "Leakage flux transformer modelling", proposed to ICEM 94, SUPELEC - PARIS.

29. A.K. BUSAWON, H. HAMMOURI, J.C. MARQUES, A. JAMMAL: " A non linear high gain observer for rotor currents of asynchronous machines", proposed to ICEM 94, SUPELEC - PARIS.

30. M. TEISSIER & A. JAMMAL: Self-excitation of a saturated asynchronous generator at non-load balanced or unbalanced load, IMAC'S 96, Nancy France.

31. H. YAHOUI, G. GRELLET, A. JAMMAL & K. BUSAWON: "On line estimation of load torque in electrical machine for overload diagnostic", Kolloquium Technische Diagnostik, 14-15 mars 1996, Dresden Allemagne.

32. COMTE, G. GRELLET & A. JAMMAL: "Modelisation of a asynchronous machine with solid steel rotor taking account of space and permeance harmonics", EPE Symposium on Electric Drive Design, 4-6 Juin 1996, Nancy France.

33. G. SALLES, G.GRELLET & A. JAMMAL: "Contribution for fault diagnosis of an asynchronous motor's load", Kolloquium Technische Diagnostik, 14-15 mars 1996, Dresden Allemagne. 

34. MAKKI, A. JAMMAL & G. GRELLET: "Effects of space harmonics on capacitor single phase asynchronous motor steady state performance", EPE Symposium on Electric Drive Design, 4-6 Juin 1996, Nancy France.

35. MAKKI, A. JAMMAL & G. GRELLET: "Steady state performance calculation of saturated capacitor single phase asynchronous motor", ICEM'96, 10-12 sep. 1996, Vigo Spain.

36. H. YAHOUI, G. GRELLET, A. JAMMAL & K. BUSAWON: "Load torque estimation in a three phase asynchronous motor", ICEM'96, 10-12 sep. 1996, Vigo Spain.

37. A. JAMMAL: " Evolution de l'enseignement de Génie Electrique par le CAO", The 13th Science Meeting, Nov. 2-4, 1999, CNRS, Lebanese American University, Beirut, Lebanon

38. A. JAMMAL, G. GRELLET: " Mesure des contraintes rotoriques d'une machine asynchrone par l'utilisatio de fibre optique en vue de la surveillance", The 13th Science Meeting, Nov. 2-4, 1999, CNRS, Lebanese American University, Beirut, Lebanon.

39. A. JAMMAL, G. GRELLET: " Modélisation de la machine asynchrone à rotor massif avec prise en compte des harmoniques d'espace te de permeance", The 13th Science Meeting, Nov. 2-4, 1999, CNRS, Lebanese American University, Beirut, Lebanon

Curricula & Educational Reports& Books
1. Jammal A. & Al.: "Curriculaof physics for the 3 years of the diploma of superior technician (TS) forall the Industrial specialties.
2. Jammal A. & Al.: "Curricula of Technology for the 3 cycles (primary, intermediate and secondary) of the general education.
3. Jammal A. & Al.: "Technology, Class 7 "Teacher book", National Center for Research & Development, New Curricula, July 1998
4. Jammal A. & Al.: "Technology, Class 7 "Student book", National Center for Research & Development, New Curricula, July 1998
5. Jammal A. & Al.: "Technology, Secondary education, second year "Student book", National Center for Research & Development, New Curricula, July 1999
6. Jammal A. & Al.: "Technology, Secondary education, second year "Teacher book", National Center for Research & Development, New Curricula, July 1999
7. Jammal A. & Al.: "Technology, Secondary education, Third year "Student book", National Center for Research & Development, New Curricula, July 2000
8. Jammal A. & Al.: "Technology, Secondary education, Third year "Teacher book", National Center for Research & Development, New Curricula, July 2000
9. Jammal A. & Al.: "Curricula of Electronics, Electrotechnics, Control and industrial computer and of Technology for the 3 years of the IT of Saida - Lebanese University, department of Industrial Maintenance, 
10. Jammal A.: "Electric actuators & Drives", Course 500 pages, MSc. Electrotechnics, Cycle C, ISAE, Lebanese University, Beirut 1998
11. Jammal A.: "Power Electronics", Course 200 pages, Maitrise électronique, Lebanese University, Beirut 1997
12. Jammal A.: "Electric machines", Course 250 pages, Maitrise électronique, Lebanese University, Beirut 1997
13. Jammal A.: "Transient analysis of rotating electric machines", Course 150 pages, UV2 d'électrotechnique de la maîtrise E.E.A. 1990 Lyon.
14. Jammal A.: "Power components", Course 50 pages, UV1 d'électrotechnique de la maîtrise E.E.A. 1991 Lyon.
15. Jammal A.: "Generalized theory of rotating electric machines ", Course 100 pages, UV1 d'électrotechnique de la maîtrise E.E.A. 1990 Lyon.
16. Jammal A.: "Introduction to electrical engineering and power electronics", Course 250 pages, Licence d'Ingénierie Electrique. 1993 Lyon.
17. Jammal A.: "Introduction to UNIX operating system", Course 100 pages, D.E.S.S. / E.E.A. 1991 Lyon.
18. Jammal A.: "Power electronics: Chopper & inverter ", Course 150 pages, UV2 d'électrotechnique de la maîtrise E.E.A., Lyon 1994.

 

E-mail: ajammal@ieee.org
ArabianAssociation for The development of Technology Education: aadte.freeservers.com