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K. Matyas, S. Auer:
"Combination of planning methods in a comprehensive production planning approach for sequenced production lines";
CIRP Annals-Manufacturing Technology, 61 (2012), 1; S. 445 - 448.

Medium-term sales and operations as well as medium to short-term production planning in customer order driven production processes are performed using a cascading planning process. A lack of coordination and feedback between different planning phases causes problems with a negative effect on costs in production that originate from unfeasible production programs. Based on a system for the classification of planning restrictions the planning process will be controlled utilizing a newly developed combination of the methods of Linear Programming and Constraint Programming. The result is a formal logic to combine the different planning horizons and the two sets of planning methods.

Production planning, Sequencing, Program planning

http://publik.tuwien.ac.at/files/PubDat_208855.pdf