Jaarsveld, W.L. van

demand model system policy method repair inventory downtime costs stock component level downtime number section result algorithm service period equipment product problem study order group obsolescence control service parts performance research maintenance estimate solution approximation value target assumption state approach optimization company decision piece fferent table prof.dr simulation point class demand data leadtime forecast promoter production base stock level process information base-stock inventory control lemma signi forecasting failure probability fi rst allocation fi ll rate repair shop increase chapter management analysis parameter deviation reward parts inventory control ato systems poisson n − j operation obsolescence risk