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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
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Committee Date Time Place Paper Title / Authors Abstract Paper #
EE, IEE-SPC 2019-07-24
Hiroshima   Digitally controlled dc-dc converter using predictive control
Reo Sumita, Terukazu Sato (Oita Univ.)
(To be available after the conference date) [more] EE2019-18
EA, ASJ-H, ASJ-AA 2019-07-17
Hokkaido SAPPORO COMMUNITY PLAZA Sound source separation by synchronized joint diagonalization under underdetermined conditions using regularization
Taiki Izumi (Oita Univ.), Yuuki Tachioka (Denso IT Laboratory), Shingo Uenohara, Ken'ichi Furuya (Oita Univ.)
(To be available after the conference date) [more] EA2019-13
CCS, NLP 2019-06-09
Niigata machinaka campus nagaoka Characteristic Measures in Optimized Power Grid Using Simulated Annealing
Toshichika Aoki (Nippon Institute of Tec.), Hideyuki Kato (Oita Univ.), Takayuki Kimura (Nippon Institute of Tec.)
The electric power generated at power plants to surrounding consumers are the most important in- frastructure for a comf... [more] NLP2019-32 CCS2019-15
EE, IEE-HCA 2019-05-16
Tokyo Kikai-Shinko-Kaikan Bldg. Digital Control of LLC Converter -- Consideration of Frequency Resolution and AD Conversion Resolution --
Hironori Takemoto, Terukazu Sato (Oita Univ.)
In this research, the sufficient resolution of frequency and AD conversion of the micro control unit that is used in the... [more] EE2019-1
EA, SIP, SP 2019-03-14
Nagasaki i+Land nagasaki (Nagasaki-shi) [Poster Presentation] An Initialization Method for Multichannel Nonnegative Matrix Factorization using Nonnegative Independent Component Analysis
Takahiro Ushijima, Takanobu Uramoto, Shingo Uenohara, Ken'ichi Furuya (Oita Univ.)
Recently, devices that handle voice have become widely used, and there is a demand for a technique to extract only the t... [more] EA2018-105 SIP2018-111 SP2018-67
EA, SIP, SP 2019-03-14
Nagasaki i+Land nagasaki (Nagasaki-shi) [Poster Presentation] Snore sound identification using noise suppression and multi-class classification under real environments
Keisuke Nishijima, Ken'ichi Furuya (Oita Univ.)
In the conventional snore sound identification method, there is an issue that performance deteriorates when identifying ... [more] EA2018-106 SIP2018-112 SP2018-68
DC 2019-02-27
Tokyo Kikai-Shinko-Kaikan Bldg. A built-in self-diagnosis mechanism based on self-generation of expected signatures
Yushiro Hiramoto, Satoshi Ohtake (Oita Univ.), Hiroshi Takahashi (Ehime Univ.)
 [more] DC2018-76
EE 2019-01-17
Kumamoto KCIC Small Signal Analysis of LLC Current Resonant Converter -- Small Signal Analysis Change due to the Temperature Change --
Kosuke Yoshimaru, Terukazu Sato (Oita Univ.)
This paper presents small signal frequency characteristics due to temperature change of transformer used for LLC current... [more] EE2018-55
EA 2018-12-13
Fukuoka kyushu Univ. Improvement of noisy speech recognition performance by using hierarchical cluster analysis in multi-channel non-negative matrix factorization
Taiki Izumi, Takanobu Uramoto, Shingo Uenohara, Ken'ichi Furuya (Oita Univ.)
 [more] EA2018-84
EE, CPM, OME 2018-11-21
Tokyo Kikai-Shinko-Kaikan Bldg. Characteristics of Partial Shading Compensator with Duty Cycle Controlled
Takuya Murasato, Terukazu Sato (Oita Univ)
This paper presents characteristics of a partial shading compensator using buck converter to obtain potential maximum po... [more] EE2018-29 CPM2018-57 OME2018-17
EE, CPM, OME 2018-11-21
Tokyo Kikai-Shinko-Kaikan Bldg. Power Supply For Idling Stop With H-Bridge DC-DC Converter
Junpei Okuma, Terukazu Sato (Oita Univ.)
In this paper, the static characteristics and dynamic characteristics against the input voltage in the digitally control... [more] EE2018-30 CPM2018-58 OME2018-18
EE, CPM, OME 2018-11-21
Tokyo Kikai-Shinko-Kaikan Bldg. Verification of oxidation prevention of edible oil using magnetic field generator
Taro Ikuta, Terukazu Sato (Oita Univ)
In this study, we compare and evaluate the deterioration degree of oil by submerging the winding coil of the magnetic fi... [more] EE2018-31 CPM2018-59 OME2018-19
SDM, ICD, ITE-IST [detail] 2018-08-08
Hokkaido Hokkaido Univ., Graduate School of IST M Bldg., M151 [Invited Talk] Neuromorphic Operation using an Atom/Ion Movement-Type Device
Takeo Ohno (Oita Univ.)
Artificial synaptic operation has been achieved by using an atom/ion movement-type Atomic Switch. In addition, the Atomi... [more] SDM2018-38 ICD2018-25
EE, WPT, IEE-SPC 2018-07-03
Hokkaido Hokkaido University Feedforward Control of Digital Controlled DC-DC Converter
Junpei Okuma, Terukazu Sato (Oita Univ.)
 [more] EE2018-17
EE, IEE-HCA 2018-05-11
Tokyo Tokyo University of Science MPPT control of a solar power system -- Improvement of the reply rate to the sudden change of the illumination --
Takuya Murasato, Yuichi Nagatsu, Terukazu Sato (Oita Univ)
This paper considers the reply to the sudden change of the illumination in MPPT (maximum power point tracking) control. ... [more] EE2018-6
ET 2018-03-03
Kochi Kochi University of Technology (Eikokuji Campus) Evaluation of items of writing rubric through differential item functioning
Katsuhiko Ishikawa (YAMAGAKU Univ.), Akifumi Notsu (OUN)
In evaluating essay, we are not able to set only one correct answer, different from language test. Even if evaluation ru... [more] ET2017-131
EA 2018-02-15
Hiroshima Pref. Univ. Hiroshima The influence that a quality change of the steady noise environment gives for Lombard effect
Wataru Saito, Masanori Akita, Yoichi Midorikawa (Oita Univ.)
We measured the shift of the formant frequencies of Japanese 5 vowels under the noisy environment to detect the quantity... [more] EA2017-93
EA 2018-02-16
Hiroshima Pref. Univ. Hiroshima The effect of increasing the number of channels with multi-channel non-negative matrix factorization for noisy speech recognition
Takanobu Uramoto (Oita Univ.), Youhei Okato, Toshiyuki Hanazawa (Mitsubishi Electric), Iori Miura, Shingo Uenohara, Ken'ich Furuya (Oita Univ.)
Nonnegative Matrix Factorization (NMF) factorizes a non-negative matrix into two non-negative matrices. In the field of ... [more] EA2017-99
EE 2018-01-29
Oita Satellite Campus Oita Influence of circuit parameters on small signal characteristics of LLC converter
Yusuke Murakami, Terukazu Sato, Kimihiro Nishijima (Oita Univ.)
This paper presents the influence of circuit parameters on the small signal characteristics of the control to output tra... [more] EE2017-42
EE 2018-01-29
Oita Satellite Campus Oita [Poster Presentation] Influence On Partial Shadows In Photovoltaic Power Generation System And Its Countermeasure -- Maximum Power Point Tracking Control Using Particle Swarm Optimization --
Yuichi Nagatsu, Genki Hara, Terukazu Sato, Kimihiro Nishizima (Oita Univ)
This paper considers the usefulness of PSO (particle swarm optimization) in MPPT (maximum power point tracking) control.... [more] EE2017-58
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