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中文摘要：
操作优化是一个有效方法为存在植物探索潜在的经济好处。从操作优化的最大的潜在的利益被在操作点和过程限制的电流之间的距离决定，它与设计变量的边缘有关。因为在化学进程的各种各样的骚乱，一些距离必须为进程变量的变化被保留，操作点的最佳不在一些进程限制上。当动态优化的能确实被完成时，因此，不变的优化的利益不能充分被完成。在这研究，不变的优化和动态优化被使用，并且潜在的利益为控制为利润和难以实现的利益被划分成可完成的利益。液体(FCCU ) 联合起来的催化裂开被用于案例研究。与设计变量的边缘怎么影响经济利益和控制性能的分析，进程设计的瓶颈被发现，适当控制结构能被选择。
英文摘要：
Operation optimization is an effective method to explore potential economic benefits for existing plants. The m.aximum potential benefit from operationoptimization is determined by the distances between current operating point and process constraints, which is related to the margins of design variables. Because of various ciisturbances in chemical processes, some distances must be reserved for fluctuations of process variables and the optimum operating point is not on some process constraints. Thus the benefit of steady-state optimization can not be fully achied（ed while that of dynamic optimization can be really achieved. In this study, the steady-state optimizationand dynamic optimization are used, and the potential benefit-is divided into achievable benefit for profit and unachievable benefit for control. The fluid catalytic cracking unit （FCCU） is used for case study. With the analysis on how the margins of design variables influence the economic benefit and control performance, the bottlenecks of process design are found and appropriate control structure can be selected.
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Interaction Analysis and Decomposition Principle for Control Structure Design of Large-scale Systems
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