Developing a Computer-Aided Environment to Investigate the Influences of Design Schedule Changes on Material Requirement Planning |
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Authors: | C Ou-Yang H C Liu |
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Affiliation: | (1) Department of Industrial Management, National Taiwan University of Science and Technology, Taipei, Taiwan, TW |
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Abstract: | Recently, the concepts of concurrent engineering have been implemented in many manufacturing areas. However, very few efforts
were addressed to linking design procedures and material requirement planning (MRP). In general, an engineering change (EC)
might have an influence on the material requirements as well as on the inventory, and hence might affect the manufacturing
process. Therefore, it is necessary to consider the material status during the EC stage. This concept has formed a new area
for concurrent engineering, that is design for MRP (DFMRP).
In this paper, a computer-aided environment that integrates a product data management (PDM) module and an MRP module, to support
DFMRP has been proposed. The major function of this environment is to investigate the influence of EC schedule changes on
MRP. In other words, this environment provides the information about the influence on MRP when the starting time or finishing
time of certain EC tasks have been altered. A process model was developed to describe the relations between EC and production
management tasks. In addition, an integration module was developed to extract the related information from PDM and MRP, and
to analyse the possible influence on MRP based on the process model. The analysed results can be used as reference information
for project management in PDM. |
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Keywords: | : Concurrent engineering DFMRP Material requirement planning Product data management |
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