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化工学报  2015 

间歇过程的批间自优化控制

DOI: 10.11949/j.issn.0438-1157.20150247, PP. 2573-2580

Keywords: 间歇过程,自优化控制,批间优化,最优性条件,系统工程

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Abstract:

针对间歇过程的实时优化问题,提出了一种基于最优性条件近似法的批间自优化控制策略。首先获取标称工作点的最优输入轨迹形态,将其参数化为少量决策变量,简化问题复杂度。然后根据参数化后的决策变量得到批间优化的最优性条件,并建立批次终端可测变量和最优性条件之间的回归模型,将其作为被控变量进行批间跟踪控制。对一个间歇反应器进行了仿真研究,结果表明方法能有效实现间歇过程的批间自优化控制。

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