一种改进的热泵供暖系统动态实时优化策略

江爱朋; 张全南; 王浩坤; 丁强; 徐炜峰; 王剑

doi:10.11949/j.issn.0438-1157.20180629

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一种改进的热泵供暖系统动态实时优化策略

过程系统工程 | 更新时间：2026-07-24

- 一种改进的热泵供暖系统动态实时优化策略
- An improved dynamic real time optimization strategy for heat pump heating system
- 化工学报 2019年70卷第4期页码：1494-1504
- 作者机构：
  
  杭州电子科技大学自动化学院，浙江杭州 310018
- 作者简介：
  
  江爱朋（1976—），男，教授，jiangaipeng@163.com
  王浩坤（1981—），男，博士，hkwang@hdu.edu.cn
- 基金信息：
  
  国家自然科学基金项目(61374142);浙江省公益计划项目(2017C31065);浙江省自然科学基金项目(LY16F030006)
- DOI：10.11949/j.issn.0438-1157.20180629
  中图分类号： TP 202.7
- 收稿：2018-06-04，
  
  修回：2019-01-24，
  
  网络首发：2020-06-15，
  
  纸质出版：2019-04-12
- 稿件说明：
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江爱朋, 张全南, 王浩坤, 丁强, 徐炜峰, 王剑. 一种改进的热泵供暖系统动态实时优化策略[J]. 化工学报, 2019, 70(4): 1494-1504

JIANG Aipeng, ZHANG Quannan, WANG Haokun, DING Qiang, XU Weifeng, WANG Jian. An improved dynamic real time optimization strategy for heat pump heating system[J]. CIESC Journal, 2019, 70(4): 1494-1504
江爱朋, 张全南, 王浩坤, 丁强, 徐炜峰, 王剑. 一种改进的热泵供暖系统动态实时优化策略[J]. 化工学报, 2019, 70(4): 1494-1504 DOI： 10.11949/j.issn.0438-1157.20180629.

JIANG Aipeng, ZHANG Quannan, WANG Haokun, DING Qiang, XU Weifeng, WANG Jian. An improved dynamic real time optimization strategy for heat pump heating system[J]. CIESC Journal, 2019, 70(4): 1494-1504 DOI： 10.11949/j.issn.0438-1157.20180629.

摘要

基于经济性目标的热泵供暖动态优化操作具有重要意义，但在操作区间内环境温度和模型参数变化的不确定性会对实际优化操控带来很大挑战。在完善热泵供暖系统模型的基础上，提出了一种改进的动态实时优化控制策略以改善系统的实际节能效果。该方法首先建立以压缩机和送水泵运行频率为控制变量的热泵供暖系统的非线性动态关系模型，并得到以24 h为周期、以综合性能指标最低为目标的动态实时优化命题。然后，在给定24 h环境温度预测情况下通过求解该优化命题得到热泵压缩机和送水泵的最优运行频率轨线，并以当前时间点的最优控制量对热泵供暖系统进行控制；接着，基于天气逐时预测和模型参数最新校验结果对环境温度轨线或者模型参数进行更新，不断地求解原优化命题以更新最优控制轨线，并不断地采用当前点的最优控制量对热泵供暖系统进行控制，直到当前时间点达到第24 h。实例计算结果表明：采用本文提出的方法可以进一步改善热泵供暖系统的动态优化操控效果，并能够很好地满足给定终端约束要求。本方法对于具有周期性和不确定参数的动态实时优化问题求解具有一定的借鉴意义。

Abstract

The dynamic optimization operation of heat pump heating based on economic goals is of great significance

but the uncertainty of the change of ambient temperature and model parameters in the operating interval will bring great challenges to the actual optimization and control. In this work

based on well-established model of heat pump heating system with more detailed consideration

an improved dynamic optimal control strategy was proposed to improve the practical energy cost saving of the system. Firstly

the nonlinear dynamic model of the heat pump heating system was established and a dynamic real time optimization (D-RTO) problem was formulated with a comprehensive objective function to be minimized

the frequencies of compressor and water pump were used as manipulating variables for the control purpose. Then

with initially predicted ambient temperature in the future 24 h

the optimal frequency trajectories of the compressor and water pump were obtained through solving the optimization problem

and the system was controlled based on the optimal trajectories of present time. And then

at the next time point

based on the update of ambient temperature prediction and on line model correction

the optimal control trajectories were updated by solving the optimization problem and were executed again. The operation was repeated until the 24th hour is reached. Computing results of case study show that the proposed method can further improve the practical cost saving for the heat pump heating system

and can realize the requirement of terminal state constraint at the same time. This study has practical significance for the dynamic real time optimization of chemical processes with periodic and uncertain operating parameters.

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