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SHAI developed a case-based reasoning system that enabled
a major steel company to design the manufacturing process
for each new order quickly and automatically. The system
generated an initial manufacturing process for each order
by searching a database to select process information and
composition data about batches with product specifications
that were similar to those of the current order. Users
could then request that the software adjust these process
conditions and composition to satisfy the current order's
specifications by using known relationships between manufacturing
inputs and outputs and a set of priorities for choosing among
the alternative adjustments.
By encoding process knowledge within this knowledge-based
system, the steel manufacturer was able to retain expert knowledge
of operators who had left the job, train inexperienced operators
more quickly, reduce the number of mistakes by both inexperienced
and experienced operators, set-up of batches more quickly,
reduce the frequency of off-spec batches; and make better
cost estimates and quotations for new orders.
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