[논문]BLDC Motor Control System using ASK DC-link PLC Technology

Yu, Tao; Song, Sung-Geun; Kim, Se-Min; Kim, Kwang-Heon; Park, Sung-Jun

doi:10.5207/jieie.2009.23.3.045

Abstract ▼ AI-Helper

Power line communication or power line carrier (PLC) is a system for carrying data on a conductor and can also used for electric power transmission. Now the powers used in the motor drive system are mostly DC sources. Even AC powers in some systems are generated from DC sources by the inverter. It i...

Power line communication or power line carrier (PLC) is a system for carrying data on a conductor and can also used for electric power transmission. Now the powers used in the motor drive system are mostly DC sources. Even AC powers in some systems are generated from DC sources by the inverter. It is can be forecasted that the DC-link PLC technology will be widely used in various industrial fields. In this paper a novel BLDC motor control system using ASK DC-link PLC technology is proposed. The characteristic of this system is that the communication only needs 2 DC lines and there are no additional lines to translate the reference signals. The number of signal cables can be minimized when the DC-link PLC method is applied in the multi motor control system and the slip ring design also can be simplified when this method is applied in rotation machines. The proposed motor control system is clarified by the PSIM and MATLAB simulations and tested through the hardware prototype.

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문제 정의

The objective of this research is to develop the integrative high effici宣icy BLDC motor control system by using 増K DC-link PLC technology. The conventional BLDC motor control system mainly consists of BLDC motor, driven inverter and th운 power supply.

이론/모형

The control and sensor signals are transmitted between two parts through the DC line and the communication modem The digital amplitude shift keying (ASK) technology is used to the design the modem. Here the digital modulation method was used. Digital modulation gets many advantages over analog modulation and is widely used in many kinds of systems.
Someone researched the DC PLC iwthod of the automobile system by using the FPGA and USB interMe. The DC line conirnunication protocol was inproved and sinnplified based on the protxxol of the conventional AC line conmunicaticMi method. In some papers the high efficieixy ferrite core and switching anplifia- wwe used to reduce the attenuation of the PLC communication signals[4].
The voltages of DC power part, DC-link and input of the motor inverter are shown as figure 12 Vien ASK modulating method is used. It is obvious that the communication signal does not appear in transmit part and inverter while only exists in DC-link.

참고문헌 (5)

Min-Sang Seo, Seuk-Kyung Sung, Byung-Gyu Ann, "Spread Spectrum Metod based Power Line Communication for Plant Monitoring and Control System", Power Electronics Annual Conference of the Korean Institute of Power Electronics, pp. 211-215, 1997, July
Joon-Myung Kang, Chang-Keun Park, "Design and Implementation of Network Management System for Power Line Communcation Network", ISPLC 2007, pp. 23-28, 2007, March
Ferreira, H.C.; Grove, H.M.; Hooijen, O.; Han Vinck, A.J., "Power line communications: an overview", IEEE AFRICON 4th, Vol. 2, 24-27, pp. 558-563, 1996
Jong-Sun Ko, Young-Il Kim, "The Signal Anti-reduction System in PLC Using Ferrite Core and Switching Amplifier", KIPE 2001, pp. 471-474, 2001, July
Tatro, P.J.; Adamson, K.A.; Eitzmann, M.A.; Smead, M., "Power line carrier interference from HVDC converter terminals", Power Delivery, IEEE Transactions on Vol. 8, Issue 3, pp. 827-840, 1993, July

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