A predictive control algorithm of integral processes based on state correction and its application

QI Lugang; LI Lili; LUAN Zhiye; LÜ Wenxiang; HUANG Dexian

doi:10.11949/j.issn.0438-1157.20151763

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A predictive control algorithm of integral processes based on state correction and its application

更新时间：2025-12-10

- A predictive control algorithm of integral processes based on state correction and its application
- CIESC Journal Issue 3, Pages: 685-689(2016)
- 作者机构：
  
  1. 清华大学自动化系,北京,100084
  2. 中华女子学院计算机系,北京,100101
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20151763
  CLC： Q028.8
- Online First：12 January 2016，
  
  Published：12 January 2016
- 稿件说明：
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QI Lugang, LI Lili, LUAN Zhiye, et al. A predictive control algorithm of integral processes based on state correction and its application[J]. CIESC Journal, 2016, (3): 685-689.
DOI：

QI Lugang, LI Lili, LUAN Zhiye, et al. A predictive control algorithm of integral processes based on state correction and its application[J]. CIESC Journal, 2016, (3): 685-689. DOI： 10.11949/j.issn.0438-1157.20151763.

摘要

针对具有大滞后、强动态干扰的积分特性对象

提出了基于一阶状态校正的预测控制算法。算法考虑预测状态与其对应的实际测量值偏差的积分作用

在一阶维度上施加状态校正

从而大幅提高控制器的预测准确性与应对模型失配的能力。通过仿真对比验证了状态校正算法的有效性。本算法已实际应用于某炼厂闪蒸罐的液位控制

取得了较好的控制效果。

Abstract

For integral processes with large lag

strong dynamic disturbance

the predictive control algorithm based on first-order state correction was proposed. Considering the integral effect of deviation between predictive and actual state

it exerts state correction on the first-order dimension. Thus the controller's robustness is improved significantly. By simulation experiments

the effectiveness of the state correction algorithm was confirmed. And the algorithm has been adopted for liquid level control of flash tank in a refinery. The practical application results showed that the control effect is outstanding.

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