约束预测控制在低氮燃烧机组过热蒸汽温度控制系统中的应用

doi:10.11930/j.issn.1004-9649.201605071

中国电力 ›› 2017, Vol. 50 ›› Issue (10): 129-135.DOI: 10.11930/j.issn.1004-9649.201605071

约束预测控制在低氮燃烧机组过热蒸汽温度控制系统中的应用

钱虹, 陈丹, 杨祖魁, 郑鹏远

上海电力学院自动化工程学院,上海 200090

收稿日期:2016-05-20 出版日期:2017-10-25 发布日期:2017-10-30
作者简介:钱虹（1967—）,女,上海人,博士,副教授,从事控制理论方法与应用方面的研究。E-mail: mgcd1993@126.com
基金资助:
国家自然科学基金（61573239）; 上海市自然科学基金（15ZR1418600）; 上海市重点实验室电站自动化技术实验室（04DZ05901）

Application of Constrained Predictive Control in Steam Temperature Control System of Low NO_x Combustion Power Unit

QIAN Hong, Chen Dan, YANG Zukui, ZHENG Pengyuan

School of Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China

Received:2016-05-20 Online:2017-10-25 Published:2017-10-30
Supported by:
This work is supported by National Natural Science Foundation of China (No. 61573239), Shanghai Natural Science Foundation (No.15ZR1418600) and Shanghai Key Laboratory of Power Station Automation Technology Laboratory (No. 04DZ05901).

摘要/Abstract

摘要： 针对某低氮燃烧机组运行过程产生的燃烧滞后、汽温波动大等问题,提出一种带有约束优化的预测控制算法,并将其应用到电厂过热蒸汽温度控制系统中,构成串级预测控制系统。仿真结果表明：带有约束的过热蒸汽温度串级预测控制系统的控制量能被有效控制在约束范围内,系统的抗干扰性和鲁棒性均优于常规PID控制系统,过热蒸汽温度控制品质得到很大提升。

关键词: 火力发电机组, 串级控制, 约束预测控制, 蒸汽温度

Abstract: In view of the problems of combustion delay and steam temperature heavy fluctuation in the generation process of a low NO_x combustion power plant, a predictive control algorithm with constrained optimization is proposed and applied to the superheated steam temperature control system of the power plant to construct a cascade compensation predictive control system, which is verified through simulation. The simulation results show that with the constraints of the superheated steam temperature cascade predictive control system, the controlled variable can be restrained effectively within the constraint range, and the system has the anti-jamming and robustness characteristics better than those of the conventional control system. Therefore, the superheated steam temperature control quality has been greatly improved.

Key words: thermal power generation, cascade control, constrainted predictive control, steam temperature

中图分类号:

TK323

钱虹, 陈丹, 杨祖魁, 郑鹏远. 约束预测控制在低氮燃烧机组过热蒸汽温度控制系统中的应用[J]. 中国电力, 2017, 50(10): 129-135.

QIAN Hong, Chen Dan, YANG Zukui, ZHENG Pengyuan. Application of Constrained Predictive Control in Steam Temperature Control System of Low NO_x Combustion Power Unit[J]. Electric Power, 2017, 50(10): 129-135.

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约束预测控制在低氮燃烧机组过热蒸汽温度控制系统中的应用

Application of Constrained Predictive Control in Steam Temperature Control System of Low NO_x Combustion Power Unit

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约束预测控制在低氮燃烧机组过热蒸汽温度控制系统中的应用

Application of Constrained Predictive Control in Steam Temperature Control System of Low NOx Combustion Power Unit

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Application of Constrained Predictive Control in Steam Temperature Control System of Low NO_x Combustion Power Unit