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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 92  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EA, ASJ-H 2022-08-05
11:00
Miyagi
(Primary: On-site, Secondary: Online)
A study of arrangement pattern selection method for directivity generation in speaker array
Mio Shibata, Manabu Okamoto (Sojo Univ.) EA2022-37
We are studying a speaker system that can generate strong unidirectionality by using the principle of boundary surface c... [more] EA2022-37
pp.56-61
EA, ASJ-H 2022-08-05
11:30
Miyagi
(Primary: On-site, Secondary: Online)
A Study of parameters for one-case stereo playback method by phase inversion
Manabu Okamoto (Sojo Univ.), Takuma Ftawatari (MEITEC FIELDERS) EA2022-38
When the phases of audio signals are inverted and input to two speakers installed close to each other, sound may be hear... [more] EA2022-38
pp.62-67
NLP 2022-08-02
09:50
Online Online Characteristics of degree period of commutative fourth order recurrence relations with two variables modulo a power of two
Takuma Nishizaka, Daisaburo Yoshioka (Sojo Univ.) NLP2022-28
In recent years, a public-key cryptosystem based on Chebyshev polynomials over Z_{2^k} has been presented. Unfortunately... [more] NLP2022-28
pp.11-14
EE, IEE-SPC
(Joint)
2022-03-10
14:55
Online Online Analytical Investigation of Phase-Shift Full Bridge Converter with Reduced Surge Voltage
Kunpei Yoshikawa, Kenichi Suzuki (Shindengen), Kimihiro Nishijima (Sojo Univ.) EE2021-55
Phase-shift full bridge converter is widely used for automotive dc-dc converter design due to its wide input voltage ran... [more] EE2021-55
pp.18-22
HCS 2022-01-29
13:30
Online Online Basic study of sign language learning support system: Facilitate learning of Non-Manual Signals
Kazuki Matsumaru (SIT), Ken Tsutsuguchi (Sojo Univ.), Shun-ichi Yonemura (SIT) HCS2021-56
Japanese sign language and Pidgin sign Japanese express themselves by coordinating manual signals such as hand shapes,mo... [more] HCS2021-56
pp.75-80
EE 2022-01-27
13:25
Online Online Autonomous Distributed Power Generation System for EV integrated solar PV
Taichi Utsunomiya, Kimihiro Nishijima (Sojo Univ.), Yosuke Tomita, Takumi Arai, Tsutomu Tanimoto (Nissan Motor) EE2021-36
 [more] EE2021-36
pp.30-35
EE 2022-01-27
13:50
Online Online DC48V power distribution system with built-in DC-DC converter in the duct rail
Natsuki Maeda, Kimihiro Nishijima (Sojo Univ.), Ikeda Satoshi (Panasonic) EE2021-37
 [more] EE2021-37
pp.36-41
EE, IEE-SPC 2021-07-20
09:30
Online Online Independent Controlled Hot-Plug Switches for Parallel Operation of Reuse Battery Strings
Kazuo Takehara, Fumiaki Nakao (NExTeS), Kimihiro Nishijima, Eiji Sakai (SOJO UNIV.) EE2021-10
The series strings of reused battery cells connected in parallel have different available voltage ranges due to the imba... [more] EE2021-10
pp.16-20
EA, ASJ-H 2021-07-15
10:55
Online Online A study of a small directional loud-speaker array that combines a horn loud-speaker and ordinary loud-speakers
Manabu Okamoto (Sojo Univ.), Ryotaro Sato, Kenta Niwa, Kazunori Kobayashi (NTT) EA2021-4
We propose a speaker array that combines multiple speakers with one small horn speaker. The horn speaker is mainly good ... [more] EA2021-4
pp.18-23
NLP, CCS 2021-06-11
16:20
Online Online A construction method for inverse permutations based on compositions of permutations
Yuuki Saitou, Daisaburo Yoshioka (Sojo Univ.) NLP2021-12 CCS2021-12
 [more] NLP2021-12 CCS2021-12
pp.57-60
EE, IEE-SPC
(Joint)
2021-03-01
15:50
Online Online A Multiport Bi-Directional On-Board Charger Combined with Isolated Current-Resonant Converter and Buck Converters
Ryo Oishi, Kimihiro Nishijima, Sakai Eiji (Sojo Univ.), Keisuke Tani, Nobuhisa Yamaguchi, Masaya Takahashi, Yusei Nakayashiki (DENSO) EE2020-42
A multi-output bi-directional isolated DC-DC converter for charging main battery and sub-batteries of electric vehicle i... [more] EE2020-42
pp.13-18
WIT 2020-09-08
14:45
Online Online Sign Language Learning Support System -- Proposal of Functions as Clearly Indicate Learning Points using Sign Keyframe --
Sho Inooka (SIT), Ken Tsutsuguchi (Sojo Univ.), Shunichi Yonemura (SIT) WIT2020-8
In case of novices learn sign language in self-study, they use books and videos as learning materials. Although illustra... [more] WIT2020-8
pp.15-20
CS, CAS 2020-02-27
17:15
Kumamoto   [Special Invited Talk] Social Community Brand for emerging local innovation
Takashige Hoshiai (Sojo Univ.) CAS2019-112 CS2019-112
(To be available after the conference date) [more] CAS2019-112 CS2019-112
pp.81-85
CS, CAS 2020-02-28
13:15
Kumamoto   A Study on Circuit Element Value Mismatches and Occupied Area of Poly-phase Circuits
Takafumi Yamaji (Sojo Univ.), Akio Shimizu (NIT, Ariake College) CAS2019-120 CS2019-120
An effect of the circuit element value error to modulated signal error in polyphase circuits is described. The sensitivi... [more] CAS2019-120 CS2019-120
pp.131-136
LOIS, ICM 2020-01-10
10:00
Nagasaki ARKAS SASEBO Prediction method of tumble using machine learning of footsteps. -- Evaluation results that increased the number of subjects. --
Takehiro Mori, Hiroyuki Nishi, Manabu Okamoto (Sojo Univ.) ICM2019-36 LOIS2019-51
With the progress of super-aged society, the number of elderlies living alone has increased, and the number of falls in ... [more] ICM2019-36 LOIS2019-51
pp.33-37
LOIS, ICM 2020-01-10
10:25
Nagasaki ARKAS SASEBO Examination of abnormal sound detection method of machine using standard deviation of multiple models
Akihio Ito, HIroyuki Nishi, Manbu Okamoto (Sojo Univ..) ICM2019-37 LOIS2019-52
Along with the progress of super aged society, the number of elderlies living alone has increased. Therefore, the demand... [more] ICM2019-37 LOIS2019-52
pp.39-44
LOIS, ICM 2020-01-10
10:50
Nagasaki ARKAS SASEBO Evaluation of automatic clustering by unsupervised learning with non-stationary sounds
Yuta Tanaka, Hiyoyuki Nishi, Manabu Okamoto (Sojo Univ.) ICM2019-38 LOIS2019-53
In order to monitor the elderly without contact and non-invasiveness, it is effective to identify recorded sounds from ... [more] ICM2019-38 LOIS2019-53
pp.45-50
WIT, HI-SIGACI 2019-12-05
13:15
Tokyo AIST Tokyo Waterfront (TBD) A study of sign language sentence structure considering deaf person sign language video reading strategy
Sayaka Shinada (SIT), Ken Tsutsuguchi (Sojo Univ.), Shunichi Yonemura (SIT) WIT2019-40
 [more] WIT2019-40
pp.101-106
WPT, EE
(Joint)
2019-10-10
13:00
Shiga Ryukoku Extension Center, Ryukoku University [Special Talk] 48V technology for data center and hybrid vehicle leading to the realization of MaaS (Mobility as a Service) distribution platform
Kimihiro Nishijima (Sojo Univ.)
 [more]
SITE, ISEC, LOIS 2018-11-03
14:00
Fukuoka   Prediction method of walking motion using machine learning of footsteps. -- Aiming at a tumbling down prediction system for the elderly. --
Takehiro Mori, Kimitaka Ito, Hiroyuki Nishi, Yoshimasa Kimura (Sojo Univ.) ISEC2018-68 SITE2018-46 LOIS2018-28
 [more] ISEC2018-68 SITE2018-46 LOIS2018-28
pp.25-29
 Results 1 - 20 of 92  /  [Next]  
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