نتایج جستجو برای: setup and transportation times

تعداد نتایج: 16850871  

2006
DIETER DEBELS MARIO VANHOUCKE

Resource-constrained project scheduling with activity pre-emption assumes that activities are allowed to be interrupted and restarted later in the schedule at no extra cost. In the current paper, we extend this pre-emptive scheduling problem with setup times between activity interruptions and the possibility to fast track pre-emptive subparts of activities. The contribution of the paper is twof...

Aref Maleki-Darounkolaei Iman Seyyedi Mahmoud Modiri Reza Tavakkoli-Moghaddam

This paper considers a three-stage assembly flowshop scheduling problem with sequence-dependent setup < /div> times at the first stage and blocking times between each stage in such a way that the weighted mean completion time and makespan are minimized. Obtaining an optimal solution for this type of complex, large-sized problem in reasonable computational time using traditiona...

Journal: :The International Journal of Advanced Manufacturing Technology 2011

In this paper we adopt the common cycle approach to economic lot scheduling problem and minimize the maximum aggregate inventory. We allow the occurrence of the idle times between any two consecutive products and consider limited capital for investment in inventory. We assume the setup times are negligible. To achieve the optimal investment in inventory we first find the idle times which minimi...

2002
PETR VILÍM

A constraint propagation (filtering) turned out to be an efficient method how to reduce search space for backtrack-based algorithms. This paper brings several improvements of filtering methods for batch processing with sequence dependent setup times. The first one is domain filtering based on a precedence graph—such filtering can be useful even when no precedences are given at the start. I desc...

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