Development Of Ultra High Frequency Energy Harvester Using Circular Spiral Array With Corporate Feeding

This thesis is to design an alternative antenna structure that will increase gain of the antenna, the amount of harvested energy and provide high power during rectification. The research works generate a steady output at a frequency of 956 MHz for RF energy harvesting system. The design of the circu...

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Main Author:	Kang, Chia Chao
Format:	Thesis
Language:	English
Published:	2016
Subjects:	T Technology
Online Access:	http://eprints.usm.my/46950/1/Development%20Of%20Ultra%20High%20Frequency%20Energy%20Harvester%20Using%20Circular%20Spiral%20Array%20With%20Corporate%20Feeding.pdf
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spelling	my-usm-ep.469502021-11-17T03:42:18Z Development Of Ultra High Frequency Energy Harvester Using Circular Spiral Array With Corporate Feeding 2016-07-01 Kang, Chia Chao T Technology TK1-9971 Electrical engineering. Electronics. Nuclear engineering This thesis is to design an alternative antenna structure that will increase gain of the antenna, the amount of harvested energy and provide high power during rectification. The research works generate a steady output at a frequency of 956 MHz for RF energy harvesting system. The design of the circular spiral antenna is performed using Computer Simulation Technology (CST) and Advanced Designed System (ADS). The circular spiral antenna is integrated with the rectifying circuit to efficiently convert the input RF signal from alternating current (AC) to direct current (DC). Three configurations of the antenna designs were proposed namely single circular spiral antenna, 1x2 circular spiral antenna and 2x4 circular spiral antenna. The proposed antenna that had been developed is based on the basic antenna characteristic such as return loss, radiation pattern and gain. The 1x2 array antennas and 2x4 array antenna were designed using the corporate feed method that will increase the gain and enhanced the RF harvesting output voltage. The rectification of RF to DC energy used zero bias schottky diode that convert the incoming harvested energy. The results show that all the three design posses gain of 2.3 dBi, 3.2 dBi and 5 dBi, while the output voltage generated were 17 mV, 59.4 mV and 79 mV respectively. It is found also that the circular spiral antenna can provide a constant output DC voltage which is useful for UHF application. 2016-07 Thesis http://eprints.usm.my/46950/ http://eprints.usm.my/46950/1/Development%20Of%20Ultra%20High%20Frequency%20Energy%20Harvester%20Using%20Circular%20Spiral%20Array%20With%20Corporate%20Feeding.pdf application/pdf en public phd doctoral Universiti Sains Malaysia Pusat Pengajian Kejuruteraan Elektrik & Elektronik
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	T Technology T Technology
spellingShingle	T Technology T Technology Kang, Chia Chao Development Of Ultra High Frequency Energy Harvester Using Circular Spiral Array With Corporate Feeding
description	This thesis is to design an alternative antenna structure that will increase gain of the antenna, the amount of harvested energy and provide high power during rectification. The research works generate a steady output at a frequency of 956 MHz for RF energy harvesting system. The design of the circular spiral antenna is performed using Computer Simulation Technology (CST) and Advanced Designed System (ADS). The circular spiral antenna is integrated with the rectifying circuit to efficiently convert the input RF signal from alternating current (AC) to direct current (DC). Three configurations of the antenna designs were proposed namely single circular spiral antenna, 1x2 circular spiral antenna and 2x4 circular spiral antenna. The proposed antenna that had been developed is based on the basic antenna characteristic such as return loss, radiation pattern and gain. The 1x2 array antennas and 2x4 array antenna were designed using the corporate feed method that will increase the gain and enhanced the RF harvesting output voltage. The rectification of RF to DC energy used zero bias schottky diode that convert the incoming harvested energy. The results show that all the three design posses gain of 2.3 dBi, 3.2 dBi and 5 dBi, while the output voltage generated were 17 mV, 59.4 mV and 79 mV respectively. It is found also that the circular spiral antenna can provide a constant output DC voltage which is useful for UHF application.
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Kang, Chia Chao
author_facet	Kang, Chia Chao
author_sort	Kang, Chia Chao
title	Development Of Ultra High Frequency Energy Harvester Using Circular Spiral Array With Corporate Feeding
title_short	Development Of Ultra High Frequency Energy Harvester Using Circular Spiral Array With Corporate Feeding
title_full	Development Of Ultra High Frequency Energy Harvester Using Circular Spiral Array With Corporate Feeding
title_fullStr	Development Of Ultra High Frequency Energy Harvester Using Circular Spiral Array With Corporate Feeding
title_full_unstemmed	Development Of Ultra High Frequency Energy Harvester Using Circular Spiral Array With Corporate Feeding
title_sort	development of ultra high frequency energy harvester using circular spiral array with corporate feeding
granting_institution	Universiti Sains Malaysia
granting_department	Pusat Pengajian Kejuruteraan Elektrik & Elektronik
publishDate	2016
url	http://eprints.usm.my/46950/1/Development%20Of%20Ultra%20High%20Frequency%20Energy%20Harvester%20Using%20Circular%20Spiral%20Array%20With%20Corporate%20Feeding.pdf
_version_	1747821746155683840

Development Of Ultra High Frequency Energy Harvester Using Circular Spiral Array With Corporate Feeding

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