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Design and Development of Wireless Power Transmission for Unmanned Air Vehicles

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Author
Huang, Chung-Huan
Date
2012-09
Advisor
Jenn, David C.
Second Reader
Romero, Ric
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Abstract
This thesis is an exploration of microwave wireless power transmission (WPT) for micro-air vehicles (MAVs). WPT, converting radio frequency (rf) power into usable direct current (dc) power, can be implemented with a rectifying antenna, or rectenna. The emphasis of this thesis is on the simulation of rectenna efficiency and measurement of experimental hardware. In this thesis, power reflection in the rectifier matching circuit was investigated by a series of simulations using Agilent Advanced Design System (ADS). Tuning elements were added and adjusted in order to optimize the efficiency. A maximum efficiency of 57 per cent was obtained at 10 gigahertz (GHz) with 200 mW input to the rectenna. A full-wave rectenna was built and hardware experiments were conducted to measure the efficiency of the WPT and characterize the behavior of the circuit. The design is optimized for an input power of 200 mW but, because of hardware limitations, only low-input power levels (about 1 mW) could be tested. A comparison of measurement and simulation results is given, and possible reasons for the differences are discussed.
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http://hdl.handle.net/10945/17380
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Related items

Showing items related by title, author, creator and subject.

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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

    An improved rectenna for wireless power transmission for unmanned air vehicles 

    Liu, Chun-Yi. (Monterey, California. Naval Postgraduate School, 2011-03);
    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 ...
  • Thumbnail

    Theoretical and experimental study of micro air vehicle powered by RF signal at 10 GHz 

    Tsolis, George (Monterey, California. Naval Postgraduate School, 2015-06);
    The concept of using electromagnetic energy in the form of microwaves for transferring power from one point to another through free space is very old. However, the idea for powering micro air vehicles using microwaves is ...
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