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Inductively coupled power transmission system, signal transmission technology

Author: ZhouJinFeng
Tutor: SunYue
School: Chongqing University
Course: Control Theory and Control Engineering
Keywords: Inductively coupled power transfer Signal transmission Modulation and demodulation Energy wave modulation
CLC: TM724
Type: Master's thesis
Year: 2009
Downloads: 340
Quote: 4
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Abstract


Inductively coupled power transfer (Inductive Coupled Power Transfer, referred ICPT) non-contact power transmission technology provides a new way. In recent years, the technology has a lot of success stories, demonstrating its broad application prospects. However, many practical applications require not only the non-contact power transmission, also called non-contact signal transmission, and therefore requires ICPT system to achieve non-contact signal transmission. Thesis, National Natural Science Foundation project \research group in the past for inductively coupled power transmission technology based on the study, the main study ICPT system signal transmission problems. Paper introduces ICPT system signal transmission technology research situation, the purpose and significance of such research are given ICPT signal transmission system to achieve the basic structure of the two methods and principles. Then, the paper first implementation method for the study, the method is based on the principle of electromagnetic induction system by electromagnetic coupling mechanism ICPT add a pair of signal transmission coil for signal transmission. Using binary frequency shift keying modulation, the modulated signal is loaded into the signal transmitting coil to generate an alternating magnetic field, the signal receiving coil in the magnetic field induced alternating voltage, and then after filtering, demodulation processing the signals effective transmission. Paper gives the coil of the electromagnetic coupling mechanism layout, focusing on the signal transmission power of the transmission, and puts forward the signal coil size design principles on the basis of the signal transmission link circuit design verification by experiment. Finally, the paper on the second implementation methods were studied. The method is based on the electric-wave modulated signal transmission method in a signal modulation system to increase ICPT switch, according to the regulation system is transferred into the energy of the signal characteristics, the power coupling between the coils to form a comprehensive energy information flow in an electric power receiving side while extract the signal characteristics and the signal recovery, the paper gives the basic principle of the method to analyze the system's operation modes, and verified by experiments that the method is feasible.

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Transmission and distribution technology > No wire transmission
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