Problem definition :
-
a
finite set of n jobs;
-
each
job consists of a sequence of operations
-
a
set of m machines with infinite
buffer capacity;
-
each
machine can process at most one operation at a time;
-
each
operation required to be processed during an uninterrupted period of a fixed duration.
- each machine has one input buffer with unlimited capacity;
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- each machine has one output buffer with unlimited capacity;
- several transport robots are available;
- each job transfer from any machine to any machine requires transport by one robot;
- transportation time depends on robot and machines
- transportation time is not linked to the job under transport
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