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- W2973522493 abstract "Because nowadays most of the wireless power feeding system has many defects, such as, short distance, low efficiency, unable to achieve information exchange between sender and the receiver. This paper adopt resonant mode messages transmissible wireless charging technology, combined with the specific transmission characteristics of wireless charging system and the actual application demands of portable electronic products. The system add the compensation capacitance to coupling coil to make resonance excite, thus increasing the transmission distance and efficiency of wireless charging device by way of electromagnetic coupling resonance. At the same time, signal demodulation technology was adopted to implement information transfer. On the basis of theoretical analysis and simulation of wireless charging technology, a wireless charging test system for field test are built. The results show that the transmission distance is about 1 ~ 3 cm, and transmission efficiency is around 74%, far from traditional inductive transmission efficiency 50% When the transmission distance up to 3 cm, transmission efficiency is about 60% At the same time, the information feedback is realized by using the modulation and demodulation technology and the information after demodulation is complete and stable." @default.
- W2973522493 created "2019-09-26" @default.
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- W2973522493 date "2019-06-01" @default.
- W2973522493 modified "2023-09-27" @default.
- W2973522493 title "Resonant and information for low-power wireless charging system" @default.
- W2973522493 doi "https://doi.org/10.1109/iciea.2019.8833939" @default.
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