DOI QR코드

DOI QR Code

Active Mechanical Vibration Control of Rotary Compressors for Air-conditioning Systems

  • Park, Cheon-Su (Air Conditioning and Energy Solution Control R&D Lab, LG Electronics Inc.) ;
  • Kim, SeHwan (Power Conversion Lab., Dept. of Electrical Eng., Yeungnam University) ;
  • Park, Gwi-Geun (Air Conditioning and Energy Solution Control R&D Lab, LG Electronics Inc.) ;
  • Seok, Jul-Ki (Power Conversion Lab., Dept. of Electrical Eng., Yeungnam University)
  • Received : 2012.03.28
  • Published : 2012.11.20

Abstract

Recent power electronics and variable-frequency motor drive technologies have been applied to air conditioners to improve efficiency and power density. However, the mechanical vibrations and acoustic noise resulting from the compressor still remain as a serious problem. This paper presents the development and implementation of an online disturbance state-filter for the suppression of multiple unknown and time-varying vibrations of air conditioning systems. The proposed design has a form of the state-filter based on a Luenburger-style closed-loop speed observer. An active vibration decoupling strategy with an estimated disturbance is provided, which manipulates a motor torque command. Since the proposed estimation does not require any additional transducers or hardware for obtaining real-time information upon disturbances, it is suitable for retrofitting industrial air conditioners.

Keywords

References

  1. J. Hodge, "Industrial uses of rotary compressors," Production Engineers Journal, Vol. 37, No. 8, pp. 490-499, 1958. https://doi.org/10.1049/ipej.1958.0059
  2. LG Air Conditioner Rotary Compressor. [Online] http://www.lg.com/global/products/components/compressor/aircon-compressor/twin-rotary-compressor.jsp.
  3. M. Noguchi, K. Sano, and S. Takeshita, "Cavity resonance and noise reduction in a rotary compressor," IEEE Trans. Ind. Appl., Vol. IA-19, No. 6, pp. 1118-1123, Nov./Dec. 1983. https://doi.org/10.1109/TIA.1983.4504344
  4. S. M. Hwang, H. J. Lee, T. S. Lim, Y. H. Jung, and J. P. Hong, "The influence of electromagnetic force upon the noise of an IPM motor used in a compressor," IEEE Trans. Magn., Vol. 42, No. 10, pp. 3494-3496, Oct. 2006. https://doi.org/10.1109/TMAG.2006.880086
  5. A. M. Jungreis and A. W. Kelley, "Adjustable speed drive for residential applications," IEEE Trans. Ind. Appl., Vol. 31, No. 6, pp. 1315-1322, Nov./Dec. 1995. https://doi.org/10.1109/28.475721
  6. S. R. Macminn and T.M. Jahns, "Control techniques for improved high-speed performance of interior PM synchronous motor drives," IEEE Trans. Ind. Appl., Vol. 27, No. 5, Sep./Oct. 1991.
  7. S. Wang, J. Kang, and J. Noh, "Topology optimization of a single-phase induction motor for rotary compressor," IEEE Trans. Magn., Vol. 40, No. 3, pp. 1591-1596, May 2004. https://doi.org/10.1109/TMAG.2004.827187
  8. K. I. Tsai and C. C. Tsai, "A coordinate control approach for energy saving of central variable- frequency air conditioning systems," in Proc. IEEE-ICIEA Conf., pp. 2064-2069, 2010.
  9. S. Singh and B. Singh, "A voltage controlled PFC Cuk converter based PMBLDCM drive for air-conditioners," IEEE Trans. Ind. Appl., Vol. 48, No. 2, pp. 832-838, Mar./Apr. 2012. https://doi.org/10.1109/TIA.2011.2182329
  10. X. He, S. Liu, and H. Asada, "Multivariable feedback design for regulating vapor compression cycles," in Proceeding of American Control Conf., pp. 4331-4335, 1995.
  11. M. Zhang, Y. Li, T. Zhao, Z. Liu, and L. Huang, "A speed fluctuation reduction method for sensorless PMSM-compressor system," in Proc. IEEE-IECON, pp. 1633-1637, 2005.
  12. D. G. Luenberger, "An introduction to observers," IEEE Trans. Autom. Control, Vol. AC-16, No. 6, pp. 596-602, Dec. 1971.
  13. H. Nagase, T. Okuyama, J. Takahashi, and K. Saitoh, "A method for suppressing torque ripple of an AC motor by current amplitude control," IEEE Trans. Ind. Electron., Vol.36, No.4, pp.504-510, Nov. 1989. https://doi.org/10.1109/41.43009
  14. J. Zeng, P. Degobert, and J.P. Hautier, "Minimum torque ripple control of permanent magnet synchronous motor in the stationary reference frame," in Proc. IEEE-IEMDC, pp. 667-673, 2005.
  15. H. B. Kim, M. C. Harke and R. D. Lorenz, "Sensorless control of interior permanent magnet machine drives with zero-phase lag position estimation," IEEE Trans. Ind. Appl., Vol.39, No.6, pp.1726-1733, Nov./Dec. 2003. https://doi.org/10.1109/TIA.2003.818966
  16. C. H. Choi, B. S. Kim, Y. K. Lee, J, H. Jung, and J. K. Seok, "Experimental evaluation of position sensorless control on hybrid electric vehicle applications," Journal of Power Electronics, Vol. 11, No. 4, pp. 464-470, Jul. 2011. https://doi.org/10.6113/JPE.2011.11.4.464
  17. S. Morimoto, K. Kawamoto, M. Sanada, and Y. Takeda, "Sensorless control strategy for salient-pole PMSM based on extended EMF in rotating reference frame", IEEE Trans. Ind. Appl., Vol. 38, No. 4, pp. 1054-1061, Jul./Aug. 2002. https://doi.org/10.1109/TIA.2002.800777