多液位与加热炉复合系统的协调控制

doi:10.11949/j.issn.0438-1157.20151893

化工学报 ›› 2016, Vol. 67 ›› Issue (3): 690-694.DOI: 10.11949/j.issn.0438-1157.20151893

多液位与加热炉复合系统的协调控制

亓鲁刚, 吕文祥, 高小永, 栾志业, 黄德先

清华大学自动化系, 北京 100084

收稿日期:2015-12-14 修回日期:2015-12-28 出版日期:2016-03-05 发布日期:2016-01-12
通讯作者: 黄德先
基金资助:
国家重点基础研究发展计划项目(2012CB720500);国家自然科学基金项目(21276137)。

Coordinated control of multiple liquid levels and furnace composite system

QI Lugang, LÜ Wenxiang, GAO Xiaoyong, LUAN Zhiye, HUANG Dexian

Department of Automation, Tsinghua University, Beijing 100084, China

Received:2015-12-14 Revised:2015-12-28 Online:2016-03-05 Published:2016-01-12
Contact: 67
Supported by:
supported by the National Basic Research Program of China (2012CB720500) and the National Natural Science Foundation of China (21276137).

摘要/Abstract

摘要：

多液位与加热炉复合系统是一类具有液位和加热炉支路间的强耦合性及大滞后与非线性等特性的复杂工业过程。针对这类系统的多液位控制与加热炉支路温度平衡控制问题,根据解耦与平衡的思想,提出了一种基于总容量平衡的变周期液位控制的协调控制方法,从结构上实现了多液位控制与支路温度平衡控制的分离,耦合性分析也说明了方法的可行性,最终实现了复合系统的整体协调控制。基于HYSYS流程模拟的仿真实验表明了所提出控制方法的有效性。

关键词: 过程控制, 平衡, 优化设计, 多液位, 协调控制

Abstract:

The composite system of multiple liquid levels and furnace is a kind of complex industrial process with strong coupling, large delay and nonlinear characteristics. For the control of multiple liquid levels and furnace pass temperature in such systems, on the level of decoupling and balance, a variable period prediction control approach based on the total capacity is proposed. So multi-level control and pass temperature balance control is decoupled on the control structure, and coupling analysis shows the feasibility of the method. Then the overall coordination control can be realized. Simulation results on HYSYS Flow sheeting demonstrate the effectiveness of this approach.

Key words: process control, equilibrium, optimal design, multiple liquid levels, coordinated control

中图分类号:

TQ028.8

亓鲁刚, 吕文祥, 高小永, 栾志业, 黄德先. 多液位与加热炉复合系统的协调控制[J]. 化工学报, 2016, 67(3): 690-694.

QI Lugang, LÜ Wenxiang, GAO Xiaoyong, LUAN Zhiye, HUANG Dexian. Coordinated control of multiple liquid levels and furnace composite system[J]. CIESC Journal, 2016, 67(3): 690-694.

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多液位与加热炉复合系统的协调控制

Coordinated control of multiple liquid levels and furnace composite system

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