孙琳,杨政华,罗雄麟

• 1:中国石油大学(北京)自动化系

摘要(Abstract)：

在换热网络的运行过程中,其操作条件时常变化。针对过程系统安全平稳运行的基本要求,基于频域稳定性分析方法,得出影响过程系统动态性能与稳定性的关键点,提出一种换热网络旁路控制系统的设计方法。从频域的角度分析潜在旁路与被控变量之间的耦合关系,采用频域相对增益阵方法实现换热网络的旁路设计。并在此基础上,对设计的控制系统进行控制器参数设计,使换热网络控制系统满足一定的稳定裕度要求。结果表明,基于频域稳定性分析设计的换热网络旁路控制系统满足稳定裕度要求,其阶跃响应的绝对误差积分值较小,系统的动态性能更好。

关键词(KeyWords)： 换热网络;旁路控制;频域;稳定性;设计

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(21676295)

作者(Author): 孙琳,杨政华,罗雄麟

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