PI and multi-model dynamic matrix control of reactor-heat exchanger networks

YANG Hui; YANG Maying; WU Fen

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PI and multi-model dynamic matrix control of reactor-heat exchanger networks

更新时间：2025-12-10

- PI and multi-model dynamic matrix control of reactor-heat exchanger networks
- CIESC Journal Issue 6, Pages: 1470-1478(2008)
- 作者机构：
  
  浙江工业大学信息工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 June 2008，
  
  Published：05 June 2008
- 稿件说明：
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YANG Hui, YANG Maying, WU Fen. PI and multi-model dynamic matrix control of reactor-heat exchanger networks[J]. CIESC Journal, 2008, (6): 1470-1478.
DOI：

YANG Hui, YANG Maying, WU Fen. PI and multi-model dynamic matrix control of reactor-heat exchanger networks[J]. CIESC Journal, 2008, (6): 1470-1478. DOI：

摘要

针对反应器-换热器网络动态特性在时间上的多尺度特性，应用奇异摄动法得到它在两个不同时间尺度上的子模型：快时间尺度上的能量平衡模型、慢时间尺度上的物料平衡模型。同时，考虑到反应器-换热器网络非线性特性、存在噪声干扰、参数扰动等模型不确定性，快、慢时间尺度子模型分别采用PI控制、多模型动态矩阵控制。最后，通过与快、慢时间尺度子模型分别采用PI控制、动态输出反馈控制的控制策略的仿真效果比较，表明本文中的控制策略在克服噪声、参数扰动方面具有一定优势。

Abstract

According to the dynamic behavior of reactor-heat exchanger networks featuring multi-time scales

two sub models were derived respectively in two time scales using the method of singular perturbation modeling: a model about energy balance in fast time scale

and a model about material balance in slow time scale.By taking into account the nonlinear behavior

the disturbances in kinetic parameters and the noise existing in reactor-heat exchanger networks

a composite control strategy was proposed consisting of a multi-model dynamic matrix controller in slow time scale and a PI controller in fast time scale.Simulation results demonstrated better performance of disturbance and noise rejection of the proposed control strategy over that of the control strategy consisting of a dynamic output feedback controller in slow time scale and a PI controller in fast time scale.

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