Analysis and Design of Closed Loop Manufacturing Systems

Abstract

This thesis introduces an approximation method for evaluating the performance of closed loop manufacturing systems with unreliable machines and finite buffers. The method involves transforming an arbitrary loop into one without thresholds and then evaluating the transformed loop using a new set of decomposition equations. It is more accurate than existing methods and is effective for a wider range of cases. The convergence reliability, and speed of the method are also discussed. In addition, observations are made on the behavior of closed loop systems under various conditions. Finally, the method is used in a case study to determine the in-process inventory required to meet a specified production rate for a system operating according to a CONWIP control policy.

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Document Details

Document Type
Technical Report
Publication Date
Jun 04, 2001
Accession Number
ADA398823

Entities

People

  • Loren M. Werner

Organizations

  • Air Force Institute of Technology

Tags

Communities of Interest

  • Space

DTIC Thesaurus Topics

  • Algorithms
  • Case Studies
  • Closed Loop Systems
  • Computations
  • Computer Programs
  • Engineering
  • Failure Mode And Effect Analysis
  • Manufacturing
  • Materials
  • Mechanical Engineering
  • Operations Research
  • Production
  • Production Rate
  • Reliability
  • Simulations
  • Spreadsheet Software
  • Systems Engineering

Fields of Study

  • Engineering

Readers

  • Control Systems Engineering.
  • Linear Algebra
  • Software Engineering