Scheduling and machining of jobs through parallel nonidentical machine cells

Edward F. Watson, Pius J. Egbelu

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Process planning and scheduling are two functions commonly encountered in any manufacturing system. Despite the well recognized interdependencies between them, research in these areas have progressed separately as if there is virtually no relationship between the two. The result of such separate development in terms of manufacturing systems planning can lead to the adoption of policies that are far from optimal. In this paper, a modelling approach that integrates the functions of job scheduling and process planning in cells with parallel and nonidentical machine groups is presented. A heuristic algorithm is developed that allocates the jobs to machines while at the same time generates the best machining parameters to use for each job in order not to violate any job and machine related restrictions. The basis of optimization is the minimization of total manufacturing cost.

Original languageEnglish (US)
Pages (from-to)59-68
Number of pages10
JournalJournal of Manufacturing Systems
Issue number1
StatePublished - 1989
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Software
  • Control and Systems Engineering
  • Hardware and Architecture
  • Industrial and Manufacturing Engineering


  • Machining Cells
  • Optimization
  • Parallel Processing
  • Process Planning
  • Scheduling


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