Prof. Mohsen
Elhafsi
University of California-Riverside, USA
Professor
Email: Mohsen.elhafsi@ucr.edu
Research
fields
Operations and Supply Chain Management
Optimization in the design, Planning and
Control of Manufacturing and Service Operations
Markov Decision Processes, Optimal Control,
Stochastic Modeling
Qualifications
1995 Ph.D.,
Industrial Engineering, University of Florida, USA
1995 M.Sc., Industrial
Engineering, University of Florida, USA
1988 M.E/B.Sc., Industrial Engineering, Ecole Nationale
d’Ingénieurs de Tunis, France
Publications (selected)
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S. Benjaafar, M. Elhafsi, W. Zhou,
and C. Y. Lee “Optimal Production and Inventory Control of Multi-Stage Assembly
Systems with Multiple Demand Classes,” Operations Research, 59(2), 522-529
(2011).
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S. Benjaafar, M. Elhafsi “A
Production-Inventory System with both Patient and Impatient Demand Classes”,
IEEE Transactions on Automation Science and Engineering, 9(1), 148-159, 2012.
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M. Elhafsi, H. Camus and E. Craye,
“Managing an Integrated Production Inventory System with Information on the
Production and Demand Status and Multiple Non-Unitary Demand Classes,” European
Journal of Operational Research, 207(2), 986-1001, (2010).
-
S. Benjaafar, M. Elhafsi, and W.
Tinglian “Optimal Control of a Production-Inventory System with both Backorders
and Lost Sales,” Naval Research Logistics, 57, 252-265, (2010).
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M. Elhafsi, “Optimal Integrated
Production and Inventory Control of an Assemble-to-Order System with Multiple
Non-Unitary Demand Classes,” European Journal of Operational Research, 194,
127–142, (2009).
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M. Elhafsi, H. Camus and E. Craye,
“Optimal Control of a Nested-Multiple-Product Assemble-To-Order System”
International Journal of Production research, 46(19) 5367-5392, 2008.
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S. Benjaafar and M. Elhafsi,
“Production and Inventory Control of a Single Product Assemble-to-Order Systems
with Multiple Customer Classes,” Management Science, 52(12) 1896-1912, 2006
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S. Benjaafar, M. Elhafsi and F. De
Véricourt, “Demand Allocation in Multiple-Product, Multiple-Facility
Make-To-Stock Production Systems,” Management Science, 50(10) 1431-1448, 2004.
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B. Dodin and M. ElHafsi, “Scheduling
of a Multi-Item-Single-Facility System with Time Varying Demands and Inventory
and Backorder Costs,” International Journal of Operations and Quantitative
Management, 10(1) 1-22, 2004.
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M. ElHafsi, “Optimal Lead-Time
Planning in Serial Production Systems with Earliness and Tardiness Costs,” IIE
Transactions, 34(3) 233-243, 2002
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M. ElHafsi, “A Production Planning
Model for an Unreliable Production Facility: Case of Finite Horizon and Single
Demand,” European Journal of Operational Research, 143, 94-114, 2002.
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B. Dodin, M. Elhafsi, J. Varzandeh,
and K. Farahbod, “Decision Support Systems and Design for Reverse Logistics,”
Journal of International Information Management, 69-73, Fall 2001.
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M. ElHafsi, “An Operational Decision
Model for Lead-Time and Price Quotation in Congested Manufacturing Systems,”
European Journal of Operational Research, 126(2): 355-370, 2000.
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M. ElHafsi, and E. Rolland, “Negotiating
Price/Delivery Dates in a Stochastic Manufacturing Environment,” IIE
Transactions, 31(3): 255-270, 1999.
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M. ElHafsi and S. X. Bai
"Multi-Period Production Planning and Control with Demand and Cost
Fluctuations," Journal Of Mathematical and Computer Modelling. 28(3):
103-119, 1998.
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M. ElHafsi and S. X. Bai,
"Optimal and Near Optimal Control of a Two-Part-Type Stochastic
Manufacturing System with Dynamic Setups," Journal of Production and
Operations Management, 6(4): 419-438, 1997.
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M. ElHafsi and S. X. Bai, "The
Common Cycle Economic Lot Scheduling Problem with Backorders: Benefits of a
Controllable Production Rate," Journal Of Global Optimization, 10:
283-303, 1997.
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G. Vairaktarakis and M. ElHafsi,
"The Use of Flowlines to Simplify Routing Complexity in Two-Stage
Flowshops," IIE Transactions, 32(8): 687-699, 2000.
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F. J. Krämer, M. ElHafsi and S. X.
Bai, "Production Flow Control for a Manufacturing System with Flexible
Routing," Journal of Production and Operations Management, 6(1): 37-56,
1997.
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S. X. Bai, Y. K. Tsai, M. ElHafsi,
and K. Deng, "Production Scheduling in a Price Competition,"
Computers and Mathematics with Applications, 33(5): 5-19, 1997.
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S. X. Bai and M. ElHafsi,
"Scheduling of an Unreliable Manufacturing System with Nonresumable Setup
Changes," Computers and Industrial Engineering, 32(4): 909-925, 1997.
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M. ElHafsi and S. X. Bai,
"Optimal Production Control of a Dynamic Two-Product Manufacturing System
with Setup Costs and Setup Times," Journal Of Global Optimization,
9:183-216, 1996.
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M. ElHafsi and S. X. Bai,
"Optimal Production and Setup Control of a Dynamic Two-Product
Manufacturing System: Analytical Solution," Journal Of Mathematical and
Computer Modelling, 24(3): 57-78, 1996.
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S. X. Bai and M. ElHafsi,
"Transient and Steady State Analyses of a Manufacturing System with Setup
Changes," Journal Of Global Optimization, 8:349-378, 1996.
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S. X. Bai, H. Burhanpurwala, M.
ElHafsi and Y. K. Tsai, " Hierarchical Production Control for a Flow Shop
with Dynamic Setup Changes and Random Machine Breakdowns," Operations
Research Spektrum, 18: 81-96, 1996.
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M. ElHafsi and S. Yeralan,
"Computer Control System for a Cutting Machine," Computers and
Industrial Engineering, 23(1-4), 345-348, 1992.
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L. Ammar, M. Achour and M. ElHafsi, "Etude Et
Conception De Systèmes d'Appoint Pour Chauffe-Eau Solaire", Les Annales de
l'ENIT, 2, July 1988.
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Elhafsi, M., H. Camus, E. Craye,
“Managing an Integrated Production Inventory System with Information on the
Production and Demand Status and Multiple Non-Unitary Demand Classes” the
International Conference of Modeling and Simulation - MOSIM’10 - May 10-12,
2010 - Hammamet - Tunisia.
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M. ElHafsi, S. Benjaafar, and Y. Yu,
“Production and Inventory Control of a System with Multiple Sources of Supply”
15th International Annual EUROMA Conference June 15-18, 2008, University of
Groningen, TheNetherlands.
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M. Elhafsi, H. Camus, E. Craye,
“Optimal Control of a Nested-Multiple-Product Assemble-To-Order System”
International Workshop: Logistics and Transportation, IEEE/SMC co-sponsored
workshop, Nov. 18-20, 2007, Tunisia
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S. Yeralan and M. ElHafsi,
"Recent Advances In Intelligent Machine Tools," Proceedings of the
5th Annual Conference On Recent Advances In Robotics, FloridaAtlanticUniversity,
June 11-12, 1992.
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S. X. Bai and M. ElHafsi,
"Optimal Feedback Control of a Manufacturing System with Setup
Changes," Proceedings of the Fourth International Conference on Computer
Integrated Manufacturing and Automation Technology, October 10-12, 1994, in
Troy, New York.
-
M.
ElHafsi and S. X. Bai, "Production and Setup Control in a Stochastic
Manufacturing System," Proceedings
of the 5th Industrial Engineering Research Conference, May 18-20, 1996,
Minneapolis, Minnesota.
Profile Details