Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/32771
Title: On-line adaptive control of a direct expansion air conditioning system using artificial neural network
Authors: Li, N
Xia, L
Deng, S 
Xu, X
Chan, MY 
Keywords: Adaptive control
Air conditioning
Artificial neural network
Controllable range
Direct expansion
On-line
Issue Date: 2013
Publisher: Pergamon Press
Source: Applied thermal engineering, 2013, v. 53, no. 1, p. 96-107 How to cite?
Journal: Applied thermal engineering 
Abstract: A common issue to all controllers, including the previously developed artificial neural network (ANN)-based controller for a direct expansion (DX) air conditioning (A/C) system, developed based on system identification is limited controllable range. To address the issue, an ANN-based on-line adaptive controller has been developed and is reported. The ANN-based on-line adaptive controller was able to control indoor air temperature and humidity simultaneously within the entire expected controllable range by varying compressor and supply fan speeds. The controllability tests for the controller were carried out using an experimental DX A/C system. The test results showed the high control accuracy of the ANN-based on-line adaptive controller developed, within the entire range of operating conditions. It was able to control indoor air dry-bulb and wet-bulb temperatures both near and away from the operating condition at which an ANN-based dynamic model in the ANN-based on-line adaptive controller was initially trained.
URI: http://hdl.handle.net/10397/32771
ISSN: 1359-4311
EISSN: 1873-5606
DOI: 10.1016/j.applthermaleng.2013.01.008
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