Zobrazeno 1 - 10 of 72 pro vyhledávání: '"Kenji Amei"'
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Akademický článek
Magnetic levitation of a ferrofluid droplet in mid-air
Autor: Takahisa Ohji, Soichiro Yamaguchi, Kenji Amei, Kyohei Kiyota
Publikováno v: AIP Advances, Vol 10, Iss 1, Pp 015037-015037-4 (2020)
A prototype magnetic levitation (maglev) system for feeding, holding and conveying ferrofluids successfully levitated a ferrofluid droplet with feedback control in the air at room temperature. This maglev system consists of a rod-shaped electromagnet
Externí odkaz: https://doaj.org/article/25eabf8f75134a77aa59ea81d079358b
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3
Verification of pull-up force and electromagnetic spring to an aluminum ring using ac electromagnets
Autor: Kyohei Kiyota, Takahisa Ohji, Satoshi Kusano, Tatsuhiro Inoue, Kenji Amei
Publikováno v: International Journal of Applied Electromagnetics and Mechanics. 64:173-180
Magnetic levitation (maglev) systems for nonmagnetic conductive metals generally generate only repulsive force between the stator and the levitated body. To overturn the conventional common sense, we have fabricated a new maglev device that can gener
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8dc034ec6f15708f6b2a943a261edc1
https://doi.org/10.3233/jae-209320
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5
An Experimental Verification of a Dual-mode Reluctance Motor for Electric Vehicle Applications
Autor: Kyohei Kiyota, Kenji Amei, Takahisa Ohji, Haruka Isogai
Publikováno v: 2021 IEEE Energy Conversion Congress and Exposition (ECCE).
This paper verifies the proposed methodology of a novel Dual-mode Reluctance Motor which can switch the motor mode between a switched reluctance motor and a synchronous reluctance motor to enhance the high efficiency region. Theoretically, the iron l
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::10b7fa9515792dc4ff11b76a95404084
https://doi.org/10.1109/ecce47101.2021.9595807
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6
A new three-phase rectifier circuit using the partial switching strategy for a high power factor and a harmonic restraint
Autor: Takahisa Ohji, Riku Furukawa, Kyohei Kiyota, Hikaru Aoki, Kenji Amei
Publikováno v: Journal of International Council on Electrical Engineering, Vol 9, Iss 1, Pp 61-70 (2019)
This paper describes a new three-phase rectifier circuit using the partial switching strategy. A passive method to be composed of a diode rectifier circuit and an active method with the high-frequency switching were used for the circuit to convert fr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6bd481e9660ef1e762fd020d685d12e3
https://doaj.org/article/7b606d1ebba64a76b96311e701c13a59
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10
Proposal of an Axial Gap Type Single-drive Bearingless Reluctance Motor
Autor: Takahisa Ohji, Kyohei Kiyota, Kenji Amei, Hiroki Higashi
Publikováno v: 2019 IEEE International Electric Machines & Drives Conference (IEMDC).
This paper proposes a novel single-drive bearingless motor with an axial gap switched reluctance motor. Radial and tilting directions are passively stabilized by the passive magnetic bearing, and an axial position of the rotor is actively controlled
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8e33859f30a507f94d1ed868be46367
https://doi.org/10.1109/iemdc.2019.8785340
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