Faculty Profiles - MATSUSHIMA Tohlu

Papers - MATSUSHIMA Tohlu

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Influence of S_{{cd}21} Characteristics of Common-Mode Filter on Radiated Emission from UTP Cable Reviewed

Kikuchi K., Matsushima T., Ishibashi K., Kuwabara N., Fukumoto Y.

2020 IEEE International Symposium on Electromagnetic Compatibility and Signal/Power Integrity, EMCSI 2020 386 - 391 2020.07

Measurement of Differential Mode Impedance and Longitudinal Conversion Loss for In-Factory High-Speed PLC System using Three-Phase Power Distribution System Reviewed

Wakisaka T., Matsushima T., Okumura H., Koga H., Kuwabara N., Fukumoto Y.

2020 IEEE International Symposium on Power Line Communications and its Applications, ISPLC 2020 2020.05

Characteristics of Radiated Emission by PLC Signal from Three-wire Power Cable Reviewed

Kuwabara N., Matsushima T., Fukumoto Y., Okumura H.

EMC Europe 2019 - 2019 International Symposium on Electromagnetic Compatibility 267 - 272 2019.09

Electromagnetic Compatibility of Wired Communication for IoT Devices

Matsushima Tohlu

Proceedings of IIAE Annual Conference ( The Institute of Industrial Applications Engineers ) 2019 ( 0 ) 1 - 1 2019.09

Measurement of Transmission Characteristics for Long-distance Power Line Communication

Ohara Soichiro, Kobayashi Fumikazu, Oshikawa Kazumasa, Wakisaka Toshiyuki, Matsushima Tohlu, Fukumoto Yuki

Proceedings of IIAE Annual Conference ( The Institute of Industrial Applications Engineers ) 2019 ( 0 ) 41 - 41 2019.09

Peer-to-Peer Energy Transfer by Power Gyrators Based on Time-Variable-Transformer Concept Reviewed

Kiss D., Hisakado T., Matsushima T., Wada O.

IEEE Transactions on Power Electronics 34 ( 8 ) 8230 - 8240 2019.08

Design for reduction of far-end crosstalk in four-channel differential transmission line using per-unit-length parameters Reviewed

Matsushima T., Hisakado T., Wada O., Matsuda A., Hirano T.

2019 Joint International Symposium on Electromagnetic Compatibility, Sapporo and Asia-Pacific International Symposium on Electromagnetic Compatibility, EMC Sapporo/APEMC 2019 808 - 811 2019.06

Calculation of Electromagnetic Field Radiated from Power Line Communication of Three Wires System Reviewed

Yamamoto T., Okumura H., Wakisaka T., Matsushima T., Kuwabara N., Fukumoto Y.

2019 Joint International Symposium on Electromagnetic Compatibility, Sapporo and Asia-Pacific International Symposium on Electromagnetic Compatibility, EMC Sapporo/APEMC 2019 704 - 707 2019.06

非対称スイッチング電源回路に対するインピーダンスバランス法によるコモンモードノイズ低減 Reviewed

西本太樹, 山岡正拓, 山田徹, 松嶋徹, 和田修己

電子情報通信学会論文誌B J102-B ( 3 ) 184 - 193 2019.03

帯域制限されたDSSS/CCK/OFDM変調に対する狭帯域干渉波の周波数の違いを考慮したPER推定と最適方式選択 Reviewed

高谷和宏, 奥川雄一郎, 富田大將, 梅田康希, 松嶋徹, 小川将克, 久門尚史, 和田修己

電子情報通信学会論文誌 B J102-B ( 3 ) 2019.03

Experimental study of the relationship between maximum common mode current and maximum magnetic field strength using a simple power distribution line model Reviewed

Okumura Hiroyuki, Matsushima Tohlu, Kuwabara Nobuo, Yamamoto Takeshi, Wakisaka Toshiyuki, Fukumoto Yuki

IEICE Communications Express ( The Institute of Electronics, Information and Communication Engineers ) 8 ( 5 ) 178 - 183 2019.03

Language：English Publishing type：Research paper (scientific journal)

The relation between maximum common mode current and maximum radiated magnetic field strength was experimentally studied using a simple power distribution line model. The common mode current was measured along the cable and the radiated magnetic field strength was measured around the model. They were evaluated using the S21 parameter. The frequency characteristic of both the maximum current and the maximum strength showed a closely similar pattern. Our evaluation of their correlation indicated that the relation between the maximum common mode current and the maximum radiated magnetic field strength could be represented by a straight line, and that 80% of the measured data was contained within 2 dB of the regression line.

DOI： 10.1587/comex.2019XBL0004

CiNii Article

CiNii Research

Other Link： https://ci.nii.ac.jp/naid/130007641560

妨害波パラメータに対するEthernet通信のパケットエラーレートの変化

石橋健太, 松嶋徹, 福本幸弘

Proceedings of JIEP Annual Meeting ( The Japan Institute of Electronics Packaging ) 33 ( 0 ) 12C2 - 4 2019.03

モーメント法を用いた高周波電流測定用ロゴスキーコイルの設計

押川和正, 桑原伸夫, 福本幸弘, 松嶋徹, 脇坂俊幸

Proceedings of JIEP Annual Meeting ( The Japan Institute of Electronics Packaging ) 33 ( 0 ) 11D3 - 2 2019.03

Fukumoto/Matsushima Laboratory, Department of Electrical and Electronic Engineering, School of Engineering, Kyushu Institute of Technology

Fukumoto Yukihiro, Matsushima Tohlu

Journal of The Japan Institute of Electronics Packaging ( The Japan Institute of Electronics Packaging ) 22 ( 7 ) 622 - 622 2019.01

Equivalent-circuit model with retarded electromagnetic coupling for meta-atoms of wired metallic spheres Reviewed

OHISHI Katsuya, HISAKADO Takashi, MATSUSHIMA Tohlu, WADA Osami

IEICE Transactions on Electronics ( The Institute of Electronics, Information and Communication Engineers ) E101C ( 12 ) 923 - 930 2018.12

Language：English Publishing type：Research paper (scientific journal)

This paper describes the equivalent-circuit model of a metamaterial composed of conducting spheres and wires. This model involves electromagnetic coupling between the conductors, with retardation. The lumped-parameter equivalent circuit, which imports retardation to the electromagnetic coupling, is developed in this paper from Maxwell's equation. Using the equivalent-circuit model, we clarify the relationship between the retardation and radiation loss; we theoretically demonstrate that the electromagnetic retardation in the near-field represents the radiation loss of the meta-atom in the far-field. Furthermore, this paper focuses on the retarded electromagnetic coupling between two meta-atoms; we estimate the changes in the resonant frequencies and the losses due to the distance between the two coupled meta-atoms. It is established that the dependence characteristics are significantly affected by electromagnetic retardation.

DOI： 10.1587/transele.E101.C.923

Scopus

CiNii Article

CiNii Research

Other Link： https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85057566865&origin=inward

Formulation of single-conductor transmission line model with feedback electric fields by terminal discontinuity Reviewed

Tashiro D., Hisakado T., Matsushima T., Wada O.

Asia-Pacific Microwave Conference Proceedings, APMC 2018-November 642 - 644 2018.11

Topological estimation of resonant frequencies by equivalent circuit for star meta-atoms Reviewed

Hasegawa A., Hisakado T., Matsushima T., Wada O.

Asia-Pacific Microwave Conference Proceedings, APMC 2018-November 201 - 203 2018.11

Modal analysis of reflection of TDR in overhead distribution lines Reviewed

Matsushima T., Hisakado T., Wada O., Oe S., Sasaoka T.

2018 IEEE International Symposium on Electromagnetic Compatibility and 2018 IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018 523 - 526 2018.06

Validation of prediction method of common-mode current reduction based on imbalance difference model for differential transmission line placed near edge of adjacent ground plane Reviewed

Matsushima Tohlu, Watanabe Tetsushi, Toyota Yoshitaka, Koga Liuji R., Wada Osami

Journal of The Japan Institute of Electronics Packaging ( The Japan Institute of Electronics Packaging ) 21 ( 2 ) 178 - 185 2018.01

Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal)

The electric asymmetry of a pair of differential transmission lines placed near an adjacent ground edge causes unwanted electromagnetic radiation when the adjacent ground width changes. In this paper, the imbalance difference model which has been proposed by the authors is verified by experiment and full-wave simulation for asymmetric differential transmission lines at different distances from the adjacent ground edge. The difference in secondary-common mode current in terms of the distance from the ground edge coincides with an error of up to 3 dB among the imbalance difference model, measurement, and electromagnetic simulation. Therefore the imbalance difference model has sufficient accuracy for practical use in designing differential transmission lines which produce less undesired emissions.

DOI： 10.5104/jiep.21.178

Scopus

CiNii Article

CiNii Research

Other Link： https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85042716629&origin=inward

RF immunity test of CAN FD Transceivers during Data-Frame Communication

Kawanishi K., Matsushima T., Hisakado T., Wada O.

IEEE Electromagnetic Compatibility Magazine 7 ( 1 ) 51 - 55 2018.01

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Papers - MATSUSHIMA Tohlu