Abstract
Abstract Model-based optimization is a sophisticated design tool for papermaking processes. In this paper, the method is extended from the unit process design and single-level optimization to the simultaneaus design of the process structure and operations. This is enabled by using a bi-level optimization formulation which allows to avoid unnecessary iterations between the process and automation designs. The bi-level optimization approach is studied here from the perspective of multiobj ective optimization and decision making. The method is illustrated by a case study in which the broke and water system structures and the papermaking process operations are optimized simultaneously.
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