4. Performance criteria

4.1 In scheduling

The quality of a scheduling solution is based on three main sets of criteria.

• Product-oriented" criteria based on completion times :

  • minimization of total manufacturing time or makespan ;

  • minimizing maximum product residence time;

  • minimizing average product residence times.

• Equipment-oriented" criteria based on equipment inventory and use:

  • equipment utilization rate ;

  • the number of work-in-progress (WIP) ;

  • the minimization...