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J4  2012, Vol. 46 Issue (8): 1478-1484    DOI: 10.3785/j.issn.1008-973X.2012.08.019
孟庆龙1,2, 王元1
1西安交通大学 能源与动力工程学院,陕西 西安710049,2 长安大学 环境科学与工程学院,陕西 西安710054
Modelling and control of CFD-based distributed parameter system
MENG Qing-long1,2, WANG Yuan 1
1. School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China;
 2. School of Environmental Science and Engineering, Chang’an University, Xi’an 710054, China
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 A new approach is proposed to resolve the problems of difficult modelling and control in fluid distributed parameter system. Parameter control system for fluid distribution is difficult to model and control the problem and introduce a new method-based on accurate CFD simulation and control. The plants controlled were simulated by CFD which could provide detail information of a full space field for system identification and control. To achieve on-line modeling and close-loop control, parameter estimation and control algorithms could be incorporated into CFD model. To examine the performance of the new method, an example about internal temperature field nonlinear control of the lab of environment simulation was explored. Commercial CFD software Fluent was used as CFD simulation platform. Through its User-Defined Functions (UDF) recursive least squares algorithm with forgetting factor and PI control algorithms were implemented. The results show that this method could be used to modelling distributed parameter system and to achieve effective control of the system.

出版日期: 2012-09-23
:  TP 29  


通讯作者: 王元,男,教授,博导.     E-mail:
作者简介: 孟庆龙(1979—),男,讲师,博士,从事建筑环境控制等方向研究
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孟庆龙, 王元. 基于CFD的空间场温度系统建模与控制[J]. J4, 2012, 46(8): 1478-1484.

MENG Qing-long, WANG Yuan. Modelling and control of CFD-based distributed parameter system. J4, 2012, 46(8): 1478-1484.


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