锅炉汽包真实水位的软测量

张玲芳; 杨平; 应启戛

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上海电力大学学报:2009,25(1):44-48,57

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锅炉汽包真实水位的软测量

张玲芳¹, 杨平¹, 应启戛²

(1.上海电力学院电力与自动化工程学院, 上海 200090;2.上海理工大学光电学院, 上海 200093)

The Soft-measurement of Drum True Level

ZHANG Ling-fang¹, YANG Ping¹, YING Qi-jia²

(1.School of Electric Power & Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China;2.Optical & Electronic Information Engineering College, University of Shanghai for Science and Technology, Shanghai 200093, China)

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本文已被：浏览 844次下载 511次
投稿时间：2008-07-01

中文摘要: 对锅炉汽包水位进行了机理分析,从机理上将通常的测量水位分解为"真实水位"和"虚假水位"两个独立的参数.用混合建模的软测量技术进行了真实水位软测量模型的仿真研究,获得了精度较高的软测量真实水位模型.提出了将真实水位作为被调量的水位调节系统的设想,可克服由于虚假水位造成的执行机构反向动作的危险,降低传统的三冲量水位调节系统的复杂程度,提高锅炉汽包水位调节系统的性价比.

中文关键词: 真实水位软测量混合建模

Abstract:The principle of boiler drum level is analyzed, and the measuring level is divided into the real level and the false level.Simulating the soft measurement model of real level via hybrid modeling method is carried out so as to get a more accurate model.A boiler drum level control system with real level as parameter is designed, which reduces the risk of actuator's wrong movement caused by false level and complexity of the traditional triple-impulse control system.It also improves the performance cost ratio.

keywords: real level soft measurement hybrid modeling

文章编号：20090112 中图分类号： 文献标志码：

基金项目:

作者	单位
张玲芳	上海电力学院电力与自动化工程学院, 上海 200090
杨平	上海电力学院电力与自动化工程学院, 上海 200090
应启戛	上海理工大学光电学院, 上海 200093

Author Name	Affiliation
ZHANG Ling-fang	School of Electric Power & Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China
YANG Ping	School of Electric Power & Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China
YING Qi-jia	Optical & Electronic Information Engineering College, University of Shanghai for Science and Technology, Shanghai 200093, China

引用文本：
张玲芳,杨平,应启戛.锅炉汽包真实水位的软测量[J].上海电力大学学报,2009,25(1):44-48,57.
ZHANG Ling-fang,YANG Ping,YING Qi-jia.The Soft-measurement of Drum True Level[J].Journal of Shanghai University of Electric Power,2009,25(1):44-48,57.