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Research Article
ScienceAsia 32 (2006): 307-317 |doi: 10.2306/scienceasia1513-1874.2006.32.307
Finite Capacity Material Requirement Planning System
for a Multi-stage Automotive-Part Assembly Factory
Teeradej Wuttipornpun,a Pisal Yenradee,b* Patrick Beullensc and Dirk L. van Oudheusdend
ABSTRACT: This paper aimed to develop a practical finite capacity material requirement planning (FCMRP)
system based on the needs of an automotive-part manufacturing company in Thailand. The approach
includes a linear programming model to determine the optimal start time of each operation to minimize the
weighted average of total earliness, total tardiness, and average flow-time considering the finite capacity of
all work centers and precedence of operations. Important factors of the proposed FCMRP system were
objective function weights and dispatching rules. Effects of these factors on the performance measures were
statistically analyzed based on a real situation of an auto-part factory. Statistical results showed that the
dispatching rules and objective function weights had significant effects on the performance measures of the
proposed FCMRP system. The proposed FCMRP system offered a good trade-off between conflicting
performance measures and resulted in the best weighted average performance measure when compared with
conventional forward and forward-backward finite capacity scheduling systems.
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a Industrial Engineering Department, Dhurakij Pundit University, Bangkok 10210, Thailand.
b Industrial Engineering Program, Sirindhorn International Institute of Technology, Thammasat University,
Pathum-Thani 12121, Thailand.
c Management Mathematics Group, Department of Mathematics, University of Portsmouth, Buckingham
Building, Lion Terrace, Portsmouth PO1 3HE, UK.
d Centre for Industrial Management, Katholieke Universiteit Leuven, Celestijnenlaan 300A, B-3001 Leuven
(Heverlee), Belgium.
* Corresponding author, E-mail: pisal@siit.tu.ac.th
Received 2 May 2005, Accepted 6 Mar 2006
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