Design and Implementation of Inductively Coupled Power and Data Transmission for Buoy Systems

Xiangbiao Cui, Jiayi Xu, Shui Pang, Xingfei Li and Hongyu Li ()
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Xiangbiao Cui: School of Marine Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
Jiayi Xu: The State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China
Shui Pang: The State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China
Xingfei Li: The State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China
Hongyu Li: School of Marine Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China

Energies, 2023, vol. 16, issue 11, 1-19

Abstract: Moored buoys are important components of stereo platforms for ocean observation, which are crucial in underwater exploration. In complex marine environments, power supply and data transmission between moored buoys and underwater sensors are difficult. To solve these problems, an inductively coupled power and data transfer (ICPDT) scheme based on LCCL-S-LC hybrid compensation is proposed. The power transmission was analyzed by establishing an LCCL-S-LC compensation buoy ICPDT system model. The system efficiency and output power were analyzed when the load changed, and the optimal load resistor for maximum system efficiency was determined. A modulation and demodulation circuit used for data transmission was introduced, the compensation topology parameters of each loop of the buoy ICPDT system were deduced, and the crosstalk between power and data was analyzed and reduced. An ICPDT system prototype was built to verify the system’s feasibility and effectiveness when it was powered by 24 V. The LCCL-S-LC topology reduced the interference between data and power transmission. When the measured output power of the system was 61.5 W, the power transmission efficiency was 78.1%, and the data receiving end could achieve correct demodulation when the transmission rate was 100 kb/s.

Keywords: moored buoy; inductively coupled power and data transmission; LCCL-S-LC hybrid compensation topology; frequency shift keying (FSK) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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