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All Technical Committee Conferences (Searched in: Recent 10 Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMCJ | 2022-06-10 11:00 |
Hokkaido | Hokkaido University (Primary: On-site, Secondary: Online) |
Evaluation of External Disturbance Immunity by Bulk Current Injection into Ethernet Communication System(2) Kohei Kawai, Takuya Wadatsumi (Kobe Univ.), Ken Okamoto, Yuichiro Okugawa (NTT), Takuji Miki, Makoto Nagata (Kobe Univ.)  EMCJ2022-18 |
[more] | EMCJ2022-18 pp.21-25 |
| EMCJ | 2022-01-21 11:20 |
Online | Online | Evaluation of External Disturbance Immunity by Bulk Current Injection into Ethernet Communication System Kohai Kawai, Takuya Wadatsumi, Akira Tsukada (Kobe Univ.), Ken Okamoto, Yuichiro Okugawa (NTT), Takuji Miki, Makoto Nagata (Kobe Univ.) EMCJ2021-64 |
We developed a model of communication failures caused by external disturbances in Ethernet and collected experimental da... [more] | EMCJ2021-64 pp.18-22 |
| EMCJ, WPT (Joint) |
2018-06-14 13:35 |
Nagasaki | Experimental validation for waveform model of conducted disturbances below 150 kHz from power conversion equipment Farhan Mahmood, Yuichiro Okugawa, Jun kato (NTT) EMCJ2018-11 |
International Electrotechnical Commission (IEC) specifies conducted immunity test wave as continuous wave (CW) in IEC 61... [more] | EMCJ2018-11 pp.1-6 |
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| EMCJ | 2018-01-19 10:20 |
Okayama | PWM signal generation method to reduce impulse noise Takeharu Kohri, Masakatsu Ogawa (Sophia), Yuichiro Okugawa, Yoshiharu Akiyama (NTT) EMCJ2017-97 |
Pulse Width Modulation (PWM) control used in an inverter to drive a motor consists of switching devices such as Insulate... [more] | EMCJ2017-97 pp.55-59 |
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| MW, EMCJ, EST, IEE-EMC [detail] | 2017-10-19 15:20 |
Akita | Yupopo | Waveform modeling of conducted disturbances below 150 kHz from rectifiers Farhan Mahmood, Ken Okamoto, Yuichiro Okugawa, Jun Kato (NTT) EMCJ2017-37 MW2017-89 EST2017-52 |
(To be available after the conference date) [more] | EMCJ2017-37 MW2017-89 EST2017-52 pp.61-65 |
| PRMU, IE, MI, SIP | 2017-05-25 14:40 |
Aichi | Local linear predictive coding for characterizing electro-magnetic noise Fumihiko Ishiyama, Yuichiro Okugawa, Yoshiharu Akiyama (NTT) SIP2017-9 IE2017-9 PRMU2017-9 MI2017-9 |
We are investigating methods of characterizing electric noise to identify the source of the electric noise. For the purp... [more] | SIP2017-9 IE2017-9 PRMU2017-9 MI2017-9 pp.49-54 |
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| EMCJ | 2017-04-14 14:05 |
Tokyo | NTT Musashino R&D Center | Feature extraction of conducted disturbance below 150 kHz from power conversion equipment Farhan Mahmood, Ken Okamoto, Fumihiko Ishiyama, Yuichiro Okugawa, Yoshiharu Akiyama (NTT) EMCJ2017-1 |
[more] | EMCJ2017-1 pp.1-6 |
| EMCJ | 2017-04-14 14:30 |
Tokyo | NTT Musashino R&D Center | Method of transient signal analysis and its application to switching noise Fumihiko Ishiyama, Farhan Mahmood, Yuichiro Okugawa, Yoshiharu Akiyama (NTT) EMCJ2017-2 |
We are investigating methods of characterizing electric noise to identify the source of the electric noise. For the purp... [more] | EMCJ2017-2 pp.7-12 |
| CAS, ICTSSL | 2017-01-27 11:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Characterizing and modeling of switching power supply noise Fumihiko Ishiyama, Farhan Mahmood, Yuichiro Okugawa, Kazuhiro Takaya (NTT) CAS2016-104 ICTSSL2016-58 |
We are investigating methods of countermeasure against electric noise on telecommunication lines and on power lines. Swi... [more] | CAS2016-104 ICTSSL2016-58 pp.127-132 |
| NLP | 2016-09-14 13:50 |
Hyogo | Konan Univ. | Nonlinear oscillator expansion for characterizing noise of inverters Fumihiko Ishiyama, Farhan Mahmood, Yuichiro Okugawa, Kazuhiro Takaya (NTT) NLP2016-49 |
We are investigating methods of countermeasure against electric noise on telecommunication lines and on power lines. Swi... [more] | NLP2016-49 pp.27-30 |
| SIP | 2016-08-25 14:20 |
Chiba | Chiba Institute of Technology, Tsudanuma Campus | Time-variant pole analysis for characterizing noise of switching power supplies Fumihiko Ishiyama, Yasunao Suzuki, Yuichiro Okugawa, Kazuhiro Takaya (NTT) SIP2016-74 |
We are investigating methods of countermeasure against electric noise on telecommunication lines and on power lines. Swi... [more] | SIP2016-74 pp.11-16 |
| EMCJ | 2016-05-13 11:55 |
Hokkaido | Hokkaido University | A Study on Electric Field Strength at the surface of EUT for radiated immunity test in close proximity Naomichi Nakamura, Yuichiro Okugawa, Yoshiharu Hiroshima, Kazuhiro Takaya (NTT) EMCJ2016-11 |
[more] | EMCJ2016-11 pp.11-16 |
| EMCJ | 2016-05-13 13:20 |
Hokkaido | Hokkaido University | LCL Measurement Method Based on Equivalent Circuit Modeling Tohlu Matsushima (Kyoto Univ.), Kazuhiro Takaya, Yuichiro Okugawa, Ken Okamoto (NTT), Akira Sugiura, Osami Wada (Kyoto Univ.) EMCJ2016-12 |
In order to measure LCL (longitudinal conversion loss) of an equipment under test (EUT) or a circuit with high symmetry,... [more] | EMCJ2016-12 pp.17-22 |
| EMCJ, WPT (Joint) |
2016-01-29 09:50 |
Kumamoto | Kumamoto National Colle. Technology | Study on test distance between EUT and antenna for radiated immunity test in close proximity to equipment Kazuhiro Takaya, Naomichi Nakamura, Yuichiro Okugawa, Yoshiharu Hiroshima (NTT) EMCJ2015-116 |
IEC Technical Committee TC77 Subcommittee SC77B studies a radiated immunity test in close proximity to equipment as an I... [more] | EMCJ2015-116 pp.71-75 |
| EMCJ, WPT (Joint) |
2016-01-29 10:15 |
Kumamoto | Kumamoto National Colle. Technology | Study on test signal for radiated immunity test in close proximity to equipment Naomichi Nakamaura, Yuichiro Okugawa, Yoshiharu hiroshima, Kazuhiro Takaya (NTT) EMCJ2015-117 |
[more] | EMCJ2015-117 pp.77-81 |
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