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  Optimal leadtimes planning in serial production systems with earliness and tardiness costs
 
 
Titel: Optimal leadtimes planning in serial production systems with earliness and tardiness costs
Auteur: Elhafsi, Mohsen
Verschenen in: IIE transactions
Paginering: Jaargang 34 (2002) nr. 3 pagina's 233-243
Jaar: 2002-03-01
Inhoud: We consider a production system consisting of >N processing stages. The actual leadtimes at the stages are stochastic. The objective is to determine the planned leadtimes at each stage so as to minimize the expected total inventory costs, tardiness penalties, and a backlog penalty for not meeting demand due date at the last stage. Recursive relationships are used for automatic generation and efficient computation of the objective function. The efficiency of the proposed algorithms allows us to obtain new insights regarding operating policies, leadtime delivery reliability, and production line design. The problem is formulated as a convex non-linear programming problem. The latter is then solved using classical convex optimization algorithms. For the special case of exponentially distributed leadtimes, the objective function is derived in a closed form.
Uitgever: Taylor & Francis
Bronbestand: Elektronische Wetenschappelijke Tijdschriften
 
 

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