Direct Feedback Linearization Based Control in Variable Air Volume air-conditioning System

被引:7
|
作者
Shi, Zhigang [1 ]
Li, Xuquan [1 ]
Hu, Songtao [1 ]
机构
[1] Qingdao Technol Univ, Sch Environm & Municipal Engn, Qingdao, Peoples R China
来源
INTERNATIONAL CONFERENCE ON APPLIED PHYSICS AND INDUSTRIAL ENGINEERING 2012, PT B | 2012年 / 24卷
关键词
VAV air-conditioning system; DFL; Control; simulation;
D O I
10.1016/j.phpro.2012.02.187
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this paper a state space model of VAV air-conditioning system is developed. It is found that the dynamic model is formulated as nonlinear system. To obtain good control performance, a novel control method, direct feedback linear (DFL) is applied for the nonlinear model of VAV air-conditioning system. Then DFL control system of VAV system is designed and simulated based on SIMLINK. In order to show that the DFL control strategy has better performance than conventional PID control, a comparison has also been made between the performance of conventional PID and the novel control strategy. The results show that DFL control system is better than conventional PID control system in celerity, stability and other aspects. (C) 2011 Published by Elsevier B.V. Selection and/or peer-review under responsibility of ICAPIE Organization Committee.
引用
收藏
页码:1248 / 1254
页数:7
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