
Chapter 12—Cas e Study Summaries 29
heavy and light trucks using the fuzzy rules defined above. Items thus determined are
designated to be loaded starting at that minute. The times included in the schedule
include the times needed to load and unload items: 1 minute for each carton and
3 minutes for each pallet.
Other Scheduling Systems
The facilities for which the scheduling systems just described were developed rep-
resent only two kinds of activity for which schedules are required. And the types
of scheduling system developed, including the structures and the operators, repre-
sent but two approaches to schedule system design. This section briefly