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Journal of mechanical science and technology v.25 no.1, 2011년, pp.201 - 208   SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Variable fuzzy control for heat pump operation

Cho, Eun-Jun    (AC Laboratory, AC Company, LG Electronics   ); Ha, Man-Yeong    (Department of Mechanical Engineering, Pusan National University   ); Chang, Se-Dong    (HAC Laboratory, LG Electronics   ); Hwang, Yoon-Jei    (AC Laboratory, AC Company, LG Electronics  );
  • 초록

    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.


  • 주제어

    Air conditioning system .   Fuzzy control .   Heat pump .   Variable capacity.  

  • 참고문헌 (14)

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    2. S. O Choi, J. H. Kim, H. S. Yang and J. S. Kim, Study on control of refrigerant flow rate and characteristics of superheat in evaporator using electronic expansion valve, The Society of Air-conditioning and Refrigerating Engineers of Korea, 6 (4) (1994) 380-387. 
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    7. W. Y. Kim, J. H. Kim, H. S. Yang and J. S. Kim, The control of superheat and evaporating temperature in evaporator using fuzzy rule, The Society of Air-conditioning and Refrigerating Engineers of Korea, Winter Annual Conference (1995) 352-357. 
    8. C. Aprea, R. Mastrullo and C. Renno, Fuzzy control of the compressor speed in a refrigeration plant, International Journal of Refrigeration, 27 (2004) 639-648. 
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    10. D. Y. Han and S. W. Lee, The EEV control of the multitype air-conditioning system by using a fuzzy logic superheat temperature setpoint reset algorithm, The Society of Airconditioning and Refrigerating Engineers of Korea, 15 (5) (2003) 382-388.     
    11. C. B. Chiou, C. H. Chiou, C. M. Chu and S. L. Lin, The application of fuzzy control on energy saving for multi-unit room air conditioners, Applied Thermal Engineering, 29 (2009) 310-316. 
    12. K. J. Yoo, I. H. Lee, G. B. Lee and M. S. Kim, A study on the optimal performance control of heat pump system for heating mode operation, The Society of Air-conditioning and Refrigerating Engineers of Korea, Summer Annual Conference, Pyeongchang, Gangwon, Korea, (2006) 669-674. 
    13. D. W. Lee, L. Hua, J. P. Choi and S. K. Jeong, Fuzzy controller design for capacity and superheat control of a variable speed refrigeration system, The Society of Air-conditioning and Refrigerating Engineers of Korea, Winter Annual Conference, Gangnam, Seoul, Korea, (2006) 27-32. 
    14. L. Hua and S. K. Jeong, Design and analysis of fuzzy control in a variable speed refrigeration system, International Journal of Air-Conditioning and Refrigeration, 15 (2) (2007) 61-69.     

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