TITLE:   PRODUCTION PLANNING MODELS WITH RESOURCES SUBJECT TO
CONGESTION

SPEAKER:   Reha Uzsoy

ABSTRACT:

A fundamental
difficulty in developing effective production planning models has been
accurately reflecting the nonlinear dependency between workload and lead times.
We develop a mathematical programming model for production planning in
multiproduct, single stage systems that captures the nonlinear dependency
between workload and lead times. We then use outer linearization of this
nonlinear model to obtain a linear programming formulation and extend it to
multistage systems. Extensive computational experiments validate the approach
and compare its results to conventional models that assume workload-independent
planning lead times. We conclude with some future directions including
applications to integrated planning of production starts and safety stocks.

Bio: Reha Uzsoy is Clifton A.
Anderson Distinguished Professor in the Edward P. Fitts Department of
Industrial and Systems Engineering at North Carolina State University. He holds
BS degrees in Industrial Engineering and Mathematics and an MS in Industrial
Engineering from Bogazici University, Istanbul, Turkey. He received his Ph.D in
Industrial and Systems Engineering in 1990 from the University of Florida. His
teaching and research interests are in production planning, scheduling, and
supply chain management. He is the author of one book, two edited books, and
over eighty refereed journal publications. Before coming to the US he worked as
a production engineer with Arcelik AS, a major appliance manufacturer in
Istanbul, Turkey. He has also worked as a visiting researcher at Intel
Corporation and IC Delco. His research has been supported by the National
Science Foundation, Intel Corporation, Hitachi Semiconductor, Harris
Corporation, Kimberly Clark, Union Pacific, Ascension Health and General
Motors. He was named a Fellow of the Institute of Industrial Engineers in 2005,
Outstanding Young Industrial Engineer in Education in 1997 and a University
Faculty Fellow by Purdue University in 2001, and has received awards for both undergraduate
and graduate teaching.