Optimal Transfer Lots for Batch Manufacturing: A Basic Case and Extensions.

Abstract

One of the weaknesses of most MRP systems, is that they do not allow overlapping of activities on a batch by sequential machines. However, by letting the second machine start processing a batch before the first one has finished it yet--a well known idea utilized by many practitioners--we can often achieve considerable improvement in terms of shorter lead time. This requires the use of partial transfer lots. In this paper we address the problem from a theoretical point of view. We optimize the sizes of the transfer lots for overlapping processing on two machines to as to minimize the makespan under a constraint on the number of transfers. We also discuss the issue of several consecutive jobs (batches), and how to extend the solution to several machines in such a manner that all machines process the batch continuously.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1987
Accession Number
ADA195170

Entities

People

  • Dan Trietsch

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Human Systems

DTIC Thesaurus Topics

  • Advanced Manufacturing
  • Algorithms
  • Assembly
  • Assembly Lines
  • Business Administration
  • Classification
  • Decision Support Systems
  • Inventory
  • Lead Time
  • Linear Programming
  • Manufacturing
  • Mass Production
  • Mathematical Models
  • Models
  • Production
  • Production Rate
  • Scheduling (Production)

Fields of Study

  • Computer science

Readers

  • Applied Combinatorial Optimization and Logic Circuit Design.
  • Industrial Economics
  • Theoretical Analysis.