长期油罐调合调度作业Optimization的近似方法
An Approximate Method for the Optimization of Long-Horizon Tank Blending and Scheduling Operations
摘要：
我们解决了一个具有挑战性的坦克混合和调度问题的操作化工厂。我们建模的问题作为一个非凸MIQCP，然后近似这个模型作为一个MILP使用基于离散化的方法。我们结合滚动时域的方法与离散化的个别化学性能规格，以处理长时间的调度范围，时变质量规格，和多个供应商的离散到达时间。这种方法已被评估使用行业代表性的数据集从特种化学工业。我们证明，所提出的方法支持快速规划周期。
英文摘要：
We address a challenging tank blending and scheduling problem regarding operations for a chemical plant. We model the problem as a nonconvex MIQCP, then approximate this model as a MILP using a discretization-based approach. We combine a rolling horizon approach with the discretization of individual chemical property specifications to deal with long scheduling horizons, time-varying quality specifications, and multiple suppliers with discrete arrival times. This approach has been evaluated using industry-representative data sets from the specialty chemical industry. We demonstrate that the proposed approach supports fast planning cycles.
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