Improved unit-specific event-based continuous-time model for short-term scheduling of continuous processes: Rigorous treatment of storage requirements

被引：61
作者：
Shaik, Munawar A. [1 ]
Floudas, Christodoulos A. [1 ]
机构：
[1] Princeton Univ, Dept Chem Engn, Princeton, NJ 08544 USA
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2007年 / 46卷 / 06期
关键词：
D O I：
10.1021/ie060480o
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The problem of short-term scheduling of multiproduct and multipurpose batch plants has received significant attention in the literature compared to the problem of short-term scheduling of continuous processes. In this paper, we present an improved model compared to the work of Ierapetritou and Floudas (Ind. Eng. Chem. Res. 1998, 37, 4360) for short-term scheduling of continuous processes using unit-specific event-based continuous-time representation. The formulation is based on the state-task-network representation resulting in a mixed-integer linear programming model that accurately accounts for various storage requirements such as dedicated, finite, unlimited, and no intermediate storage policies. The formulation allows for unit-dependent variable processing rates, sequence-dependent changeovers, and with/without the option of bypassing of storage. Different variants of an industrial case study from a fast moving consumer goods manufacturing is presented to demonstrate the capability of the proposed model.
引用
收藏
页码：1764 / 1779
页数：16
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