Volume 37 Issue 10
Oct.  2011
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Yang Dongsheng, Huan Ji, Stefan Schmitz, et al. Power line communication for control system of reconfigurable machine tools[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(10): 1288-1292,1297. doi: CNKI:11-2625/V.20111020.1126.007(in Chinese)
Citation: Yang Dongsheng, Huan Ji, Stefan Schmitz, et al. Power line communication for control system of reconfigurable machine tools[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(10): 1288-1292,1297. doi: CNKI:11-2625/V.20111020.1126.007(in Chinese)

Power line communication for control system of reconfigurable machine tools

doi: CNKI:11-2625/V.20111020.1126.007
  • Received Date: 07 Jun 2010
  • Publish Date: 30 Oct 2011
  • The communication system requirements for reconfigurable machine tools were analyzed. A new communication system based on PLC (power line communication) was proposed. The carrier frequency and bandwidth of the communication system were settled according to the channel characteristics and noise spectrum of the power line in machine tools. To deal with multipath fading, improve the spectral efficiency, and obtain a high speed data transmission, OFDM (orthogonal frequency division multiplex) was employed as means of modulation and demodulation. A PLC modem was developed. The PHY (physical layer) frame structure was defined. A field test system based on main spindle servo system was set up. The experimental results show that it achieves a data rate of 10 Mbit/s with BER (bit error rate) less than 10-8.

     

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