Variable fuzzy control for heat pump operation

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 includ...

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Veröffentlicht in:	Journal of mechanical science and technology 2011, 25(1), , pp.201-208
Hauptverfasser:	Cho, Eunjun, Ha, Manyeong, Chang, Sedong, Hwang, Yoonjei
Format:	Artikel
Sprache:	eng
Schlagworte:	Air conditioning. Ventilation Applied sciences Control Dynamical Systems Energy Energy. Thermal use of fuels Engineering Exact sciences and technology Fuzzy Fuzzy control Fuzzy logic Fuzzy set theory Heating, air conditioning and ventilation Indoor Industrial and Production Engineering Mechanical Engineering Mechanical engineering. Machine design Optimization Outdoor Pump and compressors (turbocompressors, fans, etc.) Tables (data) Vibration 기계공학
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Beschreibung
Zusammenfassung:	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.
ISSN:	1738-494X 1976-3824
DOI:	10.1007/s12206-010-1105-x