Scheluding and optimisation of production in pharmaceutical industry

Project title	Scheluding and optimisation of production in pharmaceutical industry
User company name	Schering Ag (Leiras Fine Chemicals)
Industry sector	Pharmaceuticals
Production process type	Batch processing of fine chemicals, batch reaction, centrifugation, drying.
Application area	Production Optimisation
Employees	2000+
Year the project started	1999
Supplier of service	Ovela Solutions Ab Oy
Tool(s)	BSCHED Scheduler
Vendor of the tool	Ovela Solutions Ab Oy
Pay-back time in months	N/A
Type of simulation used	Scheduling
Short description of the project	The company needed to increase troughput of its fine chemicals plant. Better scheduling of production was seen as a key for achieving higher output. The mathematical optimisation was used to find the optimal schedule that minimises the costs releted to service level (delay costs), productivity (set-up costs), stock (storage costs), load (resource costs) and transportation. The scheduling system calculates optimal lot sizes, production sequences and stock levels. Methodas are based on mixed integer linear programming (MILP) and genetic algorithms (GA).
Soft Benefits	The output of the plant has been increased due to more efficient production schedule. The time for making production shedules has been decreased.
Public quantitative benefits	The time spent on production planning has been reduced up to 50%. The productivity has been increased by 3-7%.


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