Framework for Lean Implementation Through Fuzzy AHP-COPRAS Integrated Approach

Manickam Bhuvanesh Kumar, Rathinasamy Parameshwaran, Jiju Antony, Elizabeth Cudney

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Abstract

Manufacturing industries strive hard to improve their productivity to meet the highly demanding business market. Productivity can be improved by effective use of resources, elimination of wastes, process flow enhancement, and continuous improvement. There are strategies and tools to improve productivity but industries face the problem of selecting appropriate strategies. Lean manufacturing philosophy helps the manufacturing industries to enhance their productivity aspects by identifying and eliminating the wastes using specific tools/techniques. This article presents an integrated framework for the lean implementation process in the steel processing industry. The value stream mapping (VSM) tool is used to identify the wastes at each stage of the production process. Lean tools are identified from literature based on the wastes identified from the current state. For prioritizing the lean tools based on the positive correlation on one another, fuzzy integrated analytic hierarchy process and complex proportional assessment of alternatives are used. A future state value stream map is developed to illustrate the improvements achieved due to the implementation of selected lean tools. Comparison of present and future state VSM shows a great reduction of wastes, such as scale waste (50%), miss roll defects (72.7%), size variation defect (62%), corrosion defect, and improvements in talk time and cleanliness.

Original languageEnglish
JournalIEEE Transactions on Engineering Management
Early online date1 Jul 2021
DOIs
Publication statusE-pub ahead of print - 1 Jul 2021

Keywords

  • Continuous improvement
  • Fuzzy analytic hierarchy process (AHP)
  • fuzzy complex proportional assessment of alternatives (FCOPRAS)
  • Industries
  • lean manufacturing (LM)
  • Manufacturing
  • Production
  • Productivity
  • Steel
  • steel processing industry
  • Tools
  • value stream mapping (VSM)
  • waste reduction

ASJC Scopus subject areas

  • Strategy and Management
  • Electrical and Electronic Engineering

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