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A Priority-Slot Based Continuous-Time Formulation for Crude-Oil Scheduling Problems with Oil Residency Time Constraint
Abstract:
The optimal scheduling of crude-oil operation in refineries has been studied by various groups during the past decade leading to different mixed integer linear programming or mixed nonlinear programming formulations. This paper presents a new formulation with oil residency time constraint based on single-operation sequencing (SOS). It is different from previous formulations as it considers oil residency time constraint and pipeline transfer and does not require to postulate the number of priority-slots in which operations take place. This model is also based on the representation of a crude-oil scheduling by a single sequence of transfer operations. A simple MILP procedure has been used to solve this model leading to an satisfactory optimal result.
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Pages:
1532-1535
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Online since:
July 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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