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An improved rectenna for wireless power transmission for unmanned air vehicles

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Author
Liu, Chun-Yi.
Date
2011-03
Advisor
Jenn, David C.
Second Reader
Romero, Ric
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Abstract
This thesis continues an NPS project related to wireless power transmission for micro air vehicles (MAVs). The conversion of radio-frequency (rf) power into usable direct-current (dc) power is performed by a rectifying antenna, or rectenna. The emphasis of this thesis is the simulation and experimental study of various rectenna designs to determine which best provides high efficiency, stable output power, and lightweight design. The analysis of rectenna design focuses on four subsystems: (1) the receiving antenna, (2) the matching sections, (3) the rectification, and (4) the post-rectification filter. Based on the findings of this research, the ultimate rectenna design implements a half-wave dipole antenna that performs full-wave rectification with two diodes. The post-rectification filter is implemented by a capacitor to obtain stable dc power. The final design achieved an efficiency of nearly 66% for input power in the range of 200 mW.
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
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http://hdl.handle.net/10945/5561
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    Efficient rectenna design for wireless power transmission for MAV Applications 

    Tan, Lee Meng Mark. (Monterey, California. Naval Postgraduate School, 2005-12);
    This thesis is a continuation in part of a NPS project relating to wireless transmission of power to a MAV. The conversion of rf power into usable dc power is done by a rectifying antenna or rectenna. The emphasis of this ...
  • Thumbnail

    A follow-up study on wireless power transmission for unmanned air vechicles [sic vehicles] 

    Toh, Leng Huei (Monterey California. Naval Postgraduate School, 2007-12);
    This thesis was a continuation in part of a NPS project relating to microwave wireless power transmission for micro air vehicles (MAVs). The concept of using microwaves for transferring power in free space has existed since ...
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    Wireless power transfer for a micro remotely piloted vehicle 

    Jenn, David C.; Vitale, Robert L. (1998);
    A prototype rectifying antenna (rectanna) to provide wireless power transfer (WPT) to a micro-removely piloted vehicle (MRPV) is developed. Microwave radiation at 1.3 GHz is converted into DC to drive a small motor and ...
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