| Presentation | 2020-12-08 Study of energy harvesting applying the multi sector Yagi-Uda array antenna Tamami Maruyama, Tai Kimura, Shunta Kasai, Masashi Nakatsugawa, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | This paper proposes novel multi-sector Yagi-Uda rectenna to achieve wide area wireless power transmission. The proposed technique adopt the parasitic elements that are closed to the feeding element, which is the power transmitting unit, works as the power receiving unit to light the LED, and at the same time, this works as the director. The Yagi-Uda antenna arrays consisting of this parasitic elements are placed in sectors to propagate power in multiple directions. We calculate the wireless power transmission efficiency using the kQ product from the S-parameters obtained by electromagnetic field analysis. As a result, the multi-sector Yagi-Uda antenna could be achieved that it makes the wireless power transmission efficiency kept at 10% or more even if the distance from the feeding point is increased in all the sectors arranged. Each element of this multi-sector Yagi-Uda antenna was composed of a rectifier diode and an LED to create a rectenna. The experimental results show that the multi sector Yagi-Uda rectenna could turned on the LED in an area of about 100 mm square using a radio wave slightly leaking from the microwave oven. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Multi-sector Yagi Uda antenna / Sector antenna / kQ product / Parasitic element / Yagi Uda antenna / Energy harvesting / Wires Power Transmission / IoT |
| Paper # | WPT2020-27 |
| Date of Issue | 2020-12-01 (WPT) |
| Conference Information | |
| Committee | WPT |
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| Conference Date | 2020/12/8(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Communication Systems, etc. |
| Chair | Toshio Ishizaki(Ryukoku Univ.) |
| Vice Chair | |
| Secretary | (Nagasaki Univ.) |
| Assistant | Osamu Kagaya(AGC) / Yoshiaki Narusue(Univ. of Tokyo) |
| Paper Information | |
| Registration To | Technical Committee on Wireless Power Transfer |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study of energy harvesting applying the multi sector Yagi-Uda array antenna |
| Sub Title (in English) | |
| Keyword(1) | Multi-sector Yagi Uda antenna |
| Keyword(2) | Sector antenna |
| Keyword(3) | kQ product |
| Keyword(4) | Parasitic element |
| Keyword(5) | Yagi Uda antenna |
| Keyword(6) | Energy harvesting |
| Keyword(7) | Wires Power Transmission |
| Keyword(8) | IoT |
| 1st Author's Name | Tamami Maruyama |
| 1st Author's Affiliation | National Institute of Technology, Hakodate College(NIT, Hakodate College) |
| 2nd Author's Name | Tai Kimura |
| 2nd Author's Affiliation | National Institute of Technology, Hakodate College(NIT, Hakodate College) |
| 3rd Author's Name | Shunta Kasai |
| 3rd Author's Affiliation | National Institute of Technology, Hakodate College(NIT, Hakodate College) |
| 4th Author's Name | Masashi Nakatsugawa |
| 4th Author's Affiliation | National Institute of Technology, Hakodate College(NIT, Hakodate College) |
| Date | 2020-12-08 |
| Paper # | WPT2020-27 |
| Volume (vol) | vol.120 |
| Number (no) | WPT-278 |
| Page | pp.pp.7-10(WPT), |
| #Pages | 4 |
| Date of Issue | 2020-12-01 (WPT) |