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Work Experience

- master in business administration: 1970;

Professional Experience and Functions

* from june ‘99 : President of Board of “Organization for handicaped persons” in Mol;
- focus on :
follow-up of new investments;
hiring of new personnel;
optimization of production processes, including selective automatization;
commercial contacts with main clients;

* from november ‘96 : general manager of a consulting firm (EXTRA bvba) with the aim to optimize between the economic, technical, research and anlytical requirements of the industrial activities;
- project at the GOM-Limburg in the frame of an European reconversion program (EFRO) for SME.
- specific experience with introduction of new technologies;
waste recycling;
streamlining of production processes;
follow-up of design of new digital control systems;
- re-organization of production control;

* from januari till june ‘96 : research manager at Policy Research Corporation;
- cost benefit analyses and economical impact studies for various transport projects;
- project management;

* from march ‘91 till februari ‘96: deputy general manager of Belgoprocess
- in charge on direction level of the two operational departments: the department of the treatment and conditioning of nuclear waste and the department of dismantling of nuclear installations; steady improvement of the production efficiency;
- introduction of a system of quality assurance (ISO 9001) in the same departments; certification expected by end of year;
- informatization of the fabrication data processing;
- successful start-up of new installations for the treatment of nuclear low level waste (CILVA), including a 2000T press and an incineration furnace with a capacity of 100 kg per hour.
- commissioning of a new storage building for high level radioactive waste, capable of withstanding earthquakes and airplane crashes;
- in charge of the international commercialization of the know-how and experience of Belgoprocess; many contacts with East block countries (Russia, Ukraine, Czech Republic);
- frequent contacts with local and national authorities and with the medias in order to promote the nuclear industry;
- chairman of the committee for security, hygiene and embellishment of the workshop and of the social committee of Belgoprocess; representative of the direction in the entreprise committee.

* from march ‘75 till febr. ‘91 : successively deputy department head and department head at Belgonucléaire, Dessel
- initially in charge of the development of the fabrication of the assemblies for the plutonium fuel;
- later on in charge of the whole fabrication of the MOX plutonium fuel;
- operational implementation of the capacity increase of the fuel fabrication plant from 5T/year in 1985 to 35T/year in 1990, according to a strict time schedule;
- optimisation of the use of plutonium over a number of batches in order to homogenize the isotopic composition of the fuel; development and implementation of an ad’hoc heuristic algorithm.

* from sept. ‘68 till febr. ‘75: engineer at Belgonucléaire, Brussels
- mission at TNPG, Knutsford in England for the study and the optimisation of the fuel cycle of the HTR (high temperature reactor);
- various other studies about economic optimisation of the fuel cycle;
- optimisation of the size of a fuel fabrication plant according to technical and economic criteria;
- economics of the carbides and nitrides as chemical form for nuclear fuel;
- research and development on fast breeder reactor fuels (SNR);
- follow-up of the post irradiation experiments (PIE) on the first plutonium assembly (IF70), being irradiated in the BR3 (1963).


Senior consultant at EXTRA since November 1996;

Coordinator of all consulting missions for Belgoprocess (Bangla-desh, Egypt, Ukraine, Austria,...) from 1993 till 1996;

Mission at ATPu of COGEMA in Cadarache, France, from sept. to dec. 1992: expertise and evaluation of the production process for the fuel fabrication of MOX for LWR.

Organization of Scientific Conferences

- member of the organizing committee of “FLINS 94: Fuzzy logic and intelligent technologies in nuclear sciences”; Mol, sept. 14-16, 1994;

- co-chairman of the “NATO-Workshop on vitrification of arms-graded plutonium”; St. Petersburg, Russia, May 14-17, 1995;

- member of the organizing and program committee of ORBEL 11, the Belgian Conference on Quantitative Methods for Decision Making in January 1997;

- member of the organizing committee for the 1997 annual BNS meeting, with as subject : Worldwide Energy Perspective and Role of Nuclear Energy.

- member of the program committee of ORBEL 15, the Belgian Conference on Quantitative Methods for Decision Making in January 2001;



* at UCL, Louvain

- bachelor in physics: 1962;
- engineer in electricity and mechanics: 1965;
- certificate in nuclear sciences: 1966;
- master in business administration: 1970;

* at VUB, Brussels

- doctor in applied sciences (PhD): 1991; thesis: “Grouping of objects
using objective functions with applications to the monitoring and control
of industrial production processes”.

* military service: as COR in TTR: 1967-’68;


Key Qualifications

* Exploitation and management of industrial production plants;
* Research and development in mechanical, electrical and nuclear environment;
* Project management;
* Problem solving capability;
* Economic evaluation and operational optimization of processes;
* Daily safety and quality follow-up in industrial installations;
* Adviser of SME for the introduction of new technologies;
* Consulting activities in an international context;
* Cost benefit analysis for new investments and management decisions;

Domains of application

- Energy : nuclear, new energies (sun, wind,...);
- Operation Research : modelization and optimization of processes;
- Mechanics :machine construction, assembly of products;
- Metallic construction :assembling, welding;
- Electrotechnics : power supply and transmission, control;
- Environmental technology : water treatment, waste conditioning;
- Transport technology : concepts, optimization;


* languages:

- French and Dutch : mother-tongues
- English: fluent
- German: basics


Referee of Scientific Publications

- Fuzzy Sets and Systems; Ed. H.J.Zimmermann; Elsevier Science Publishers b.v., Amsterdam;

- Zentralblatt für Mathematik; Springer-Verlag, Berlin;

- Operations Research; The Journal of the Operations Research Society of America; Omaha, Nebraska, USA;

- JORBEL; Belgian Journal of Operations Research, Statistics and Computer Science; Brussels, Belgium.

Member of corporate associations

- SOGESCI / BVWB Société Belge pour l’Application des Méthodes Scientifiques de Gestion / Belgische Vereniging voor Wetenschappelijk Bedrijfsbeheer; secretary to the Board;
- AILv: Association des Ingénieurs de Louvain;
- KVIV: Koninklijke Vlaamse Ingenieursvereniging;
- SRBII: Société Royale Belge des Ingénieurs et des Industriels;
- GfKl: Gesellschaft für Klassifikation;
- BNS: Belgian Nuclear Society;
- KKHN: Kempense Kamer voor Handel en Nijverheid; member of the Board.


1. Bairiot H., Aerts L., Trauwaert E. and Vangeel J. (1974) : Plutonium coated particles development; Nuclear Technology, Vol. 23, pp240-255.

2. Trauwaert E. (1974) : Investment criteria for production processes of non-storable goods with periodic demand and constant production constraints; European Economic Revue, Vol. 5, nr.3, pp223-252.

3. Trauwaert E. and Decrock A. (1987) : A heuristic algorithm for allocation of components in manufacturing processes; European Journal of Operational Research, Vol. 31, pp232-239.

4. Trauwaert E. (1988) : On the meaning of Dunn’s partition coefficient for fuzzy clusters; Fuzzy Sets and Systems, Vol. 25, nr. 2, pp217-242.

5. Trauwaert E., Rousseeuw P. and Kaufman L. (1989) : Some silhouette-based graphics for clustering interpretation; Belgian Journal of Operations Research, Statistics and Computer Science, Vol. 29, nr. 3; pp35-55.

6. Trauwaert E. (1990) : contribution to chapter 4, “Fuzzy Clustering (Program Fanny)“ of Finding Groups in Data, by Kaufman L. and Rousseeuw P., Wiley and Sons, New York, pp164-198.

7. Trauwaert E., Kaufman L. and Rousseeuw P. (1991) :Fuzzy Clustering Algorithm based on the Maximum Likelihood Principle; Fuzzy Sets and Systems, Vol. 42, nr. 2, pp213-227.

8. Bairiot H., Deramaix P., Mostin N., Trauwaert E. and Vanderborck Y. (1991) : Foundations for the definition of the MOX fuel quality requirements; Nuclear Engineering, Vol. 36.

9. Liégeois B., Pirlot M., Teghem J., Trauwaert E. and Tuyttens D. (1993) : Balanced grouping through simulated annealing, in Applied Simulated Annealing; Ed. Vidal R.V.V., Springer-Verlag, pp275-290.

10. Tuyttens D., Pirlot M., Teghem J., Trauwaert E. and Liégeois B. (1994) : Homogeneous grouping of nuclear fuel cans through simulated annealing and tabu search; Annals of Operations Research, Vol. 50, pp575-607.

11. Teunckens L., Lewandowski P. and Trauwaert E. (1994) : Taking it apart. The Eurochemic reprocessing plant; Nuclear Engineering International, Vol. 39, nr. 481, pp20-21.

12. Rousseeuw P., Trauwaert E. and Kaufman L. (1995) : Fuzzy clustering with high contrast; Journal of Computational and Applied Mathematics, Vol. 64, pp81-90.

13. Rousseeuw P., Kaufman L. and Trauwaert E. (1996) : Fuzzy clustering using scatter matrices; Computational Statistics and Data Analysis, Vol. 23, pp135-151.

14. Trauwaert E., Reynders R. and Van Roy T. (1995) : Fuzzy Optimization and Nuclear Production Processes; Fuzzy Sets and Systems, Vol. 74, nr. 1, pp93-102.

15. Trauwaert E., Demonie M. (1996) : Plutonium handling and vitrification : main process and their cost evaluation; in Disposal of weapon plutonium - Approaches and prospects, Eds. Merz E.R. and Walter C.E., NATO ASI Series 1. Disarmament Technologies - Vol. 4, pp.51-57, Kluwer Academic Publishers, Dordrecht.

16. Trauwaert E. (1998) : Waste conditioning methods : economical and ecological impact; in Defence nuclear waste disposal in Russia : International perpective, Eds. Stenhouse M.J. and Kirko V.I., NATO ASI Series 1. Disarmament Technologies - Vol. 18, pp.45-57, Kluwer Academic Publishers, Dordrecht.

17. Trauwaert E. (1999) : Natural and constrained classification of data by fuzzy clustering techniques; 22d Annual Conference of the “Gesellschaft für Klassifikation, Dresden, Eds. Gaul W. and Locarek-Junge H., Springer Verlag, Berlin.

Papers presented at International Conferences and Seminars

1. Utilization of low enriched uranium in high temperature gas reactors; Bairiot H., Trauwaert E., 18th annual meeting of the American Nuclear Society, Las Vegas; june 18-22, 1972.

2. Rôle conjoint des réacteurs éprouvés, avancés et rapides; Fossoul E., Verraver J. et Trauwaert E.; 5me Conférence Foratom de Florence, 1973.

3 . Peak-load pricing and investment rules for optimal production of non-storable goods; Trauwaert E.; Proceedings of the 2d National Conference of the Australian Society for Operations Research, aug. 1975, pp211-240.

4. An attempt to find robust clustering algorithms; Kaufman L., Trauwaert E. and Broeckx F.; Journées de Statistique, Lyon, 24-27 mai 1983.

5. Robust non-hierarchical clustering algorithms; Kaufman L. and Trauwaert E.; ORBEL 2, Brussels, dec.7-8, 1983.

6. Heuristic for allocation of components in manufacturing processes; Trauwaert E.; EURO VII, Bologna, june 16-19, 1985.

7. Automatic classification and its evaluation as applied to an industrial problem; Trauwaert E.; APMS-Compcontrol 85, Budapest, aug. 27-30,1985.

8. On Dunn's partition coefficient as a cluster validity index; Trauwaert E. and Kaufman L.; ORBEL 3, Brussels, dec..4-5, 1985.

9. Fuzzy clustering algorithms based on the maximum likelihood principle; Trauwaert E.; EURO VIII, Lisboa, sept. 16-19, 1986.

10. Recent progress in manufacturing of plutonium fuel for recycling in LWR; Trauwaert E., Pelckmans E., Verschuere Y. and Aerts L.; IAEA - Colloque international sur la partie terminale du cycle de combustible nucléaire - stratégies et options; Vienna, may, 11 - 15, 1987.

11. Product of fuzzy determinants as clustering objective; Trauwaert E. and Kaufman L.; The second international Tampere conference in statistics; june 1-4, 1987.

12. Homogeneity test for multivariate production processes; Trauwaert E.; First conference of the international federation of classification societies; Aachen, june 29 - july 1, 1987.

13. L 1 in Fuzzy Clustering; Trauwaert E.; First international conference on statistical data analysis based on the Ll-norm and related methods; Neuchatel, aug.31-sept.4, 1987; Proceedings : Statistical Data Analysis; Ed.:Y.Dodge, North Holland, (1987), pp417-426.

14. Graphical aids to clustering interpretation; Trauwaert E., Kaufman L. and Rousseeuw P.; ORBEL 4, Brussels, jan. 14-15, 1988.

15. Improvement of MOX fuel solubility; Van Vliet J., Verschuere Y., Eeckhout F. and Trauwaert E.; American Ceramic Society - 90th meeting, Cincinnati, may 1-5, 1988.

16. Hybrid clustering: towards a fuzzy algorithm without bias; Trauwaert E.; 3rd IFSA Congress; Seattle, USA, aug. 6-11, 1989.

17. MOX fabrication experience at Dessel; Trauwaert E., Mostin N. and Lefèvre R.; IAEA technical committee meeting on recycling of plutonium and uranium in water reactor fuels; Cadarache, France, nov.13-16, 1989.

18. MOX fuel quality reprocessing requirements; Van Vliet J., Haas D., Eeckhout F., Verschuere Y. and Trauwaert E.; IAEA technical committee meeting on recycling of plutonium and uranium in water reactor fuels; Cadarache, France, nov. 13-16,1989.

19. Proeven met MOX-brandstofelementen in het kader van de CNA reaktor; Trauwaert E.; Belgisch Nucleair Forum, 21ste Colloquium voor de Pers, Chooz, 23-24 oktober 1990.

20. Discrete homogenization: a fuzzy approach; Trauwaert E., Kaufman L. and Rousseeuw P.; ORBEL 6, Brussels, jan.23-24, 1992.

21. Fuzzy Clustering: a comparison between different methods based on the fuzzy Mahalanobis distance; Rousseeuw P., Kaufman L.and Trauwaert E.; 16. Jahrestagung Gesellschaft für Klassifikation e.V.; Dortmund, april 1-3, 1992.

22. Fuzzy clustering by minimizing the total hypervolume; Trauwaert E., Rousseeuw P. and Kaufman L.; 16th annual conference of the "Gesellschaft flir Klassifikation", Dortmund, april 1-3, 1992; Proceedings in 'Information and Classification - Concepts, Meethods and Applications'; Eds.: Opitz 0., Lausen B. and Klar R.; Springer Verlag, (1993), pp.61-71.

23. Decommissioning of the Main Process Building of the former Eurochemic Reprocessing Plant; Claes J., Trauwaert E. and Teunckens L.; SFEN, Dismantling of Nuclear Facilities, International Conference, Avignon, France, Sept.29 - Oct.2, 1992.

24. Fuzzy nonhierarchical clustering : a comparison between different methods based on scatter matrices; Rousseeuw P., Kaufman L. and Trauwaert E.; XIVièmes Rencontres Franco-Belges de Statisticiens, Namur, 17-19 nov. 1993.

25. Discrete homogenization: a semi-fuzzy approach; Trauwaert E., Pirlot M., Teghem J. and Tuyttens D.; ORBEL 8, Brussels, jan.20-21, 1994.

26. Decontamination and Decommissioning of the main building of the Eurochemic Reprocessing Plant; Trauwaert E., Claes J. and Teunckens L.; WM'94, Tucson, USA, Feb.27 - March 3, 1994.

27. Contribution of science to the safe dismantling of nuclear weapons; Trauwaert E.; 19th Session of the International Seminars on Planetary Emergencies, Erice, august 19-24, 1994.

28. Vitrification of plutonium, obtained from the dismantling of nuclear weapons and intended for geological disposal; Trauwaert E.; NATO proposal preparation Workschop, Erice, august 20-23, 1994.

29. Fuzzy logic and nuclear production processes; Trauwaert E., Reynders R. and Van Roy T.; Proceedings of the first International FLINS Workschop, Mol, Belgium, Sept. 14-16, 1994, pp.254-259.

30. Plutonium handling and vitrification; Trauwaert E. and Demonie M.; NATO Advanced Research Workshop on Disposal of Weapon Plutonium - Approaches and Prospects, St. Petersburg, Russia, May 14-17, 1995.

31. Economic and ecologic impact of nuclear waste conditioning methods; Trauwaert E.; NATO Advanced Research Workshop on Defence Nuclear Waste Disposal in Russia: Implications for the Environment, Krasnoyarsk, Russia, June 24-27, 1996.

32. Determination of an optimal number of clusters in a given data set; Trauwaert E., ORBEL 11, Namur, January 16-17, 1997.

33. Natural and constrained classification of data by fuzzy clustering techniques; Trauwaert E., 22nd Annual GfKl Conference, Dresden, March 4-6, 1998.

34. Fuzzy clustering and transportation models; Trauwaert E., 16th European Conference on Operational Research, Brussels, July 12-15, 1998.

35. Interacting Hubs Location with fuzzy Customers; Trauwaert E.; Joint Eurofuse-SIC ‘99 Conference, Budapest, May 25-28, 1999.

Reports on Transportation Studies

1. Strategische en socio-economische effecten van het 48’/43’/38’ - verdiepingsprogramma vande Westerschelde - Sociale Kosten-batenanalyse en Economische Impact Studie; Policy Research Corporation nv., januari 1996; Eindrapport : studie in opdracht van het Havenbedrijf Antwerpen.

2. Kwaliteit Zeetoegangsweg Noordzeekanaalgebied; Maatschappelijke Kosten-batenanalyses; Policy Research Corporation nv., mei 1996; projectvoorstel in opdracht van het Ministerie van Verkeer en Waterstaat, Directoraat-Generaal Rijkswaterstaat, Directie Noord-Holland.

3. Kosten-effectiviteitsanalyse van de nog uit te voeren infrastructuurprojecten op de Leie en de Bovenschelde Gent - Franse grens; ; Policy Research Corporation nv., juni 1996; eindrapport in opdracht van het Ministerie van de Vlaamse Gemeenschap, Departement Leefmilieu en Infrastructuur

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