Parallel machine earliness and tardiness scheduling with proportional weights

  • Authors:
  • Hongyi Sun;Guoqing Wang

  • Affiliations:
  • Department of Manufacturing Engineering and Engineering Management, City University of Hong Kong, Hong Kong;Department of Business Administration, Jinan University, Guangzhou, People's Republic of China

  • Venue:
  • Computers and Operations Research
  • Year:
  • 2003

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Abstract

In this paper we study the problem of scheduling n jobs with a common due date and proportional early and tardy penalties on m identical parallel machines. We show that the problem is NP-hard and propose a dynamic programming algorithm to solve it. We also propose two heuristics to tackle the problem and analyze their worst-case error bounds.