Computers and Operations Research
Roll assortment optimization in a paper mill: An integer programming approach
Computers and Operations Research
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We describe the development and continuous improvements of an OR-based Decision Support System (DSS) in the paper production industry. The first pilot system was handed over to the R&D-department of a Dutch paper production company in 1990. After two decades the basic concepts of the initial system are still used on a regular basis. However, the constantly advancing technology and physical knowledge of large scale paper production did have a substantial impact on the latest upgrade in which mixed integer (0-1) fractional programming in a multi criteria decision making context, was introduced. We describe the main characteristics of the DSS, the application of a new combination of OR-techniques in a practical context including the impact of the system on different levels within the company.