A Practical Scheduling Framework for Component Manufacturers in an APS Environment

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概要

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• This research focuses on the planning and scheduling challenges that component manufacturers encounter in the high-tech industry. Positioned between finished goods manufacturers and suppliers, component manufacturers experience special requirements from a scheduling perspective, e.g. material availability and production capability must be simultaneously addressed in the optimization logic, Available To Promise (ATP) and Capable To Promise (CTP) mechanisms have to be achieved with high accuracy, and etc. After reviewing the component manufacturers' planning needs, this research proposes an advanced planning and scheduling framework that covers forecasting, master production scheduling, detail scheduling and order fulfillment. Also, attention has been focused on scheduling area by developing two improved Lagrangean relaxation methods that are able to satisfy the special requirements. One of the improved methods embeds the material availability constraint, thereby changing the existing Lagrangean relaxation method from solving sub-problems to list scheduling. The other method uses a new heuristics rule to consider material availability during list scheduling. A realistic rolling scheduling environment is prepared and a variety of random cases are examined in order to test the efficiency of the methods. The experimental results are then compared to those for the existing Lagrangean relaxation method. Different aspects, such as the estimated and actual production lead-times, the total number and tardiness of delayed jobs are analyzed. These results can be used to indicate the accuracy of the customer commitment for each of the different methods. The improved Lagrangean relaxation method that embeds the material availability in the constraints generates the most accurate scheduling result. Moreover, the Lagrangean relaxation method also exhibits robustness in a rolling scheduling environment. Based on the experimental results, the proposed planning and scheduling framework should be able to satisfy component manufacturers' planning requirements.

• 社団法人日本経営工学会の論文
• 2004-06-15

著者

• KURODA Mitsuru

  Aoyama Gakuin University

• Kuroda Mitsuru

  Aoyama Gakuin Univ. Tokyo Jpn

• SHIN Kaikou

  SAP Japan Co. Ltd.

• FUKUSAKO Shogo

  Aoyama Gakuin University

関連論文

• Manufacturer Due Dates to Realize Effective Coordination Among Supply Chain Parties in a Make-to-Order Context
• A Practical Scheduling Framework for Component Manufacturers in an APS Environment
• 4B2 DUE-DATE ESTIMATION AND PRODUCTION SCHEDULING FOR CUSTOMER ORDERS WITH UNFIXED SPECIFICATION
• Optimal Allocation of Module Inventories for the Estimation of Earlier Due Dates Subject to Volatile Customer Demand

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