Abstract
The scheduling of two types of distribution manifolds (single and double seat valves) typically found in multipurpose facilities has recently been presented by Amaro and Barbosa-Póvoa (1998). The mathematical formulation proposed permits a detailed consideration of the scheduling problem where important aspects such as operational pre-conditions and constraints are considered. In this paper, this model is extended to address the design of distribution manifolds. Scheduling and structural aspects are considered within a single level problem formulation. Operational constraints and simultaneous operation of compatible flowpaths, with different transfer times, are accounted for. All problems are formulated as MILPs and solved using a Branch and Bound procedure. An example illustrating the flexibility and the applicability of the new formulation to the design of distribution manifolds is presented.
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