RF–DC converter and DC–DC converter for UHF and microwave wireless power transfer (UWPT/MWPT)

In this work, we propose a UHF/microwave wireless power transfer (UWPT/MWPT) and communication module (WPT-communication module) for smart spindle. The WPT-communication module can integrate with sensors, such as force/torque, temperature, displacement or vibration sensor, to form a WPT-communicatio...

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Bibliographic Details
Published in:Analog integrated circuits and signal processing 2019-12, Vol.101 (3), p.585-599
Main Authors: Lin, Yo-Sheng, Lan, Kai-Siang
Format: Article
Language:English
Subjects:
Antennas
Circuits and Systems
Communication
Converters
Defects
Electrical Engineering
Energy conversion efficiency
Engineering
Modules
Receivers & amplifiers
Signal,Image and Speech Processing
Vibration
Wireless communications
Wireless power transmission
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Summary:In this work, we propose a UHF/microwave wireless power transfer (UWPT/MWPT) and communication module (WPT-communication module) for smart spindle. The WPT-communication module can integrate with sensors, such as force/torque, temperature, displacement or vibration sensor, to form a WPT-communication sensor module. The WPT receiver constitutes a UWPT/MWPT receiving antenna, an RF–DC converter and a DC–DC converter. A novel UWPT/MWPT RF–DC converter with power conversion efficiency (PCE) of 86.5–92.2% is demonstrated in the condition of load reistance of 20 Ω and input signal power and frequency of 0.2 W and 0.915–10 GHz, respectively. It can integrate with the 915 MHz UWPT antenna and the DC–DC converter (with the proposed high-speed phase dectector) to form a UWPT receiver, or integrate with the 10 GHz (or 2.4 GHz) MWPT antenna and the DC–DC converter to form a MWPT receiver. A UWPT-communication receiver is designed and implemented. The corresponding PCE is 70%, one of the best results ever reported for UWPT/MWPT receivers.
ISSN:0925-1030
1573-1979
DOI:10.1007/s10470-019-01505-y