Study on Dispatching with Quality Assurance

품질을 고려한 작업투입에 관한 연구

  • Ko, Hyo-Heon (Department of Industrial Systems and Information Engineering, Korea University) ;
  • Kim, Jihyun (Semiconductor Technology Research Center, Korea University) ;
  • Baek, Jun-Geol (School of Business, Kwangwoon University) ;
  • Kim, Sung-Shick (Department of Industrial Systems and Information Engineering, Korea University)
  • 고효헌 (고려대학교 산업시스템정보공학과) ;
  • 김지현 (고려대학교 반도체기술연구소) ;
  • 백준걸 (광운대학교 경영학부) ;
  • 김성식 (고려대학교 산업시스템정보공학과)
  • Published : 2008.03.31

Abstract

Dispatching rule for parallel machines with multi product is proposed in this paper, In current market,customer's request for higher quality is increasing, In accordance with such demand, manufacturers are focusingon improving the quality of the products. Such shift in production objective is risky. The possibility ofneglecting another important factor in customer satisfaction increases, namely due dates. From the aspect ofimproving quality, frequency of product assignment to limited number of high performance machines willincrease. This will lead to increased waiting time which can incur delays, In the case of due date orientedproduct dispatch, Products are assigned to machines without consideration for quality. Overall deterioration ofproduct quality is inevitable, In addition, Poor products will undergo rework process which can increase delays.The objective of this research is dispatching products to minimize due date delays while improving overallquality. Quality index is introduced to provide means of standardizing product quality. The index is used toassure predetermined quality level while minimizing product delays when dispatching products. Qualitystandardization method and dispatching algorithm is presented. And performance evaluation is performed withcomparison to various dispatching methods.

Keywords

Acknowledgement

Supported by : 광운대학교

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