GMS 401 Chapter 5s: GMS401-LearningCurves
20 Apr 2016
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Learning curves reflect the phenomenon that the time required to perform a task decreases with increasing repetitions. When unit cost is used instead of unit time = experience curve/ progress. The learning effect: actual worker learning, pre-production factors, changes after production has begun, management input. B = ln(learning % / 100) / ln2. Sum tn = t1 x total time factor. Learning % may differ form organization to organization. Projections based on learning curves should be regarded as approximations. If time estimates are based on the time for the first unit, need considerable care to ensure validity of this time. Learning curves do not apply to mass production situations. Users of learning curves sometimes fail to include carryover effect. Determining minimum number of reps to achieve givens standard time.
