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Subject Keyword Abstract Author
 
 
Variable fuzzy control for heat pump operation

Eunjun Cho* Manyeong Ha, Sedong Chang, Yoonjei Hwang
The Journal of Mechanical Science and Technology, vol. 25, no. 1, pp.201-208, 2011

Abstract : The aim of this study is to determine the electronic expansion valve (EEV) opening using a fuzzy table when the superheating of a variable capacity air conditioning system is controlled via fuzzy control. Optimum opening of EEV is determined by applying superheat control method, where factors including superheat error and superheat gradient, as well as compressor capacity, indoor temperature, outdoor temperature, and indoor fan rpm, are considered. This control algorithm uses a fuzzy table wherein values are changed to optimal values according to operating conditions, enabling fast and stable control.

Keyword : Air conditioning system; Fuzzy control; Heat pump; Variable capacity
 
 
 
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