Indexed by:Journal Papers
Date of Publication:2021-01-08
Journal:暖通空调
Volume:49
Issue:6
Page Number:109-115,82
ISSN No.:1002-8501
Key Words:室温滞后;VAV空调系统;动态调节;继电反馈;模型辨识;滞环系数;末端风阀开度;送风机转速
Abstract:基于VAV空调系统控制原理分析了送风量调节过程中导致室温滞后响应特性的主要因素,研究了VAV空调系统动态调节过程中室温对系统调节量滞后响应特性的描述及建模方法.分析继电反馈控制技术和VAV空调系统室温滞后一阶惯性加时滞环节传递函数之间的关系,提出了基于滞环继电反馈控制的室温滞后特性模型辨识方法.通过闭环响应试验,研究了送风量调节过程中室温对末端风阀开度和送风机转速的动态响应特性,根据试验结果完成了室温滞后特性一阶惯性加时滞环节传递函数模型参数的辨识,并通过与开环响应试验结果的对比,验证了该方法的有效性和实用性.结果 表明,在没有被控对象先验知识的前提下,该方法可以实现室温对末端风阀开度和送风机转速的一阶惯性加时滞环节传递函数模型参数的辨识,且随着滞环系数的增大,计算结果具有收敛性,符合其在线应用要求.
Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates
Main positions:Deputy Director, Department of Civil Engineering, Dalian University of Technology
Other Post:Member of APEC EGEE&C Group
Gender:Male
Alma Mater:Harbin Institute of Technology
Degree:Doctoral Degree
School/Department:Institute of Building Energy, Dalian University of Technology
Discipline:Heat and Gas Supply, Ventilation and Air Conditioning Engineering
Business Address:417 Room, Houxing Building
Contact Information:Email：zhaotianyi@dlut.edu.cn Office:86-411-84707734
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