| CCPT系统中基于副边阻抗调制技术的反向信号与能量叠加传输技术研究 |
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| 引用本文： | 刘超,戴明,赵勇,蔡萍,吉小军.CCPT系统中基于副边阻抗调制技术的反向信号与能量叠加传输技术研究[J].宇航计测技术,2020,40(2):66-72. |
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| 作者姓名： | 刘超 戴明 赵勇 蔡萍 吉小军 |
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| 作者单位： | 1.上海交通大学电子信息与电气工程学院，上海 200240；
2.中国船舶重工集团公司第704研究所，上海 200310 |
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| 摘 要： | 为了解决金属环境条件下的无线供电和信号传输需求,提出了一种基于电容耦合方式的无线能量和信号并行传输方案。通过建立E类放大器的数学模型,分析电容耦合系统的传输特性和阻抗影响机理,设计了适用于E类放大器结构的调制与解调电路,并通过仿真验证了电路的可行性,为CCPT系统从能量传输到信号回传提供了系统性的理论指导。
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| 关 键 词： | 无线电能传输 电容耦合式 信号传输 E类放大器 阻抗调制 |
Research on Parallel Transmission of Signal and Power Based on Secondary Impedance Modulation in CCPT System |
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| LIU Chao,DAI Ming,ZHAO Yong,CAI Ping,JI Xiao-jun.Research on Parallel Transmission of Signal and Power Based on Secondary Impedance Modulation in CCPT System[J].Journal of Astronautic Metrology and Measurement,2020,40(2):66-72. |
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| Authors: | LIU Chao DAI Ming ZHAO Yong CAI Ping JI Xiao-jun |
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| Institution: | 1.School of Electronic Information and Electronical Engineering Shanghai Jiaotong Univ.，Shanghai 200240,China;
2.The 704th Research Institute of CSIC，Shanghai 200310,China |
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| Abstract: | In order to solve the wireless power supply and signal transmission requirements in the metal environment，a wireless energy and signal parallel transmission scheme based on capacitively coupled power transfer is proposed.By establishing the mathematical model of the class E amplifier，analyzing the transmission characteristics and the impedance mechanism of the capacitive coupling system，a modulation and demodulation circuit suitable for the E-class amplifier structure is designed，and the feasibility of the circuit is verified by simulation，which provides theoretical guidance to energy transmission and signal return of CCPT system. |
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| Keywords: | Wireless power transfer Capatively coupled Signal transmission Class-E power amplifier Impedance modulation |
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