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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 24  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EMCJ 2019-04-11
13:30
Okinawa Okinawa Industry Support Center A study on noise source modeling with voltage source for synchronous rectification DC-DC buck converter
Takaaki Ibuchi, Yuya Saito, Tsuyoshi Funaki (Osaka Univ.), Kazuma Kawai, Takahiro Tsuda (Denso) EMCJ2019-2
Small and high efficiency switching power supplies are widely demanded for many applications. However, fast switching op... [more] EMCJ2019-2
pp.7-12
EMCJ 2018-07-27
15:20
Tokyo Kikai-Shinko-Kaikan Bldg. A study on visualizing dynamic noise current distribution in a power module based on synchronized near magnetic field measurement
Takaaki Ibuchi, Tsuyoshi Funaki (Osaka Univ.) EMCJ2018-31
 [more] EMCJ2018-31
pp.55-59
EMCJ 2017-11-22
14:50
Tokyo Kikai-Shinko-Kaikan Bldg. A study on dynamic characteristic measurement method for power electronics circuit applying wide band gap semiconductor device
Kei Hayashi, Tsuyoshi Funaki, Takaaki Ibuchi (Osaka Univ.) EMCJ2017-72
 [more] EMCJ2017-72
pp.45-50
EMCJ 2016-09-16
11:05
Hyogo University of Hyogo A current distribution measurement with magnetic near field intensity for designing wiring pattern in a SiC power module
Eisuke Masuda, Takaaki Ibuchi, Tsuyoshi Funaki (Osaka Univ.), Hirotaka Otake, Tatsuya Miyazaki, Yasuo Kanetake, Takashi Nakamura (ROHM) EMCJ2016-50
Fast switching operation of wide-bandgap power semiconductor devices is expected to reduce the switching losses in a pow... [more] EMCJ2016-50
pp.1-6
EMCJ 2016-05-13
14:50
Hokkaido Hokkaido University A study on influence of interconnect inductance of a SiC power module on transient characteristic
Eisuke Masuda, Takaaki Ibuchi, Tsuyoshi Funaki (Osaka Univ.), Hirotaka Otake, Tatsuya Miyazaki, Yasuo Kanetake, Takashi Nakamura (ROHM) EMCJ2016-15
Fast switching operation using wide-bandgap power semiconductor devices is expected to reduce the switching loss in a co... [more] EMCJ2016-15
pp.35-40
EMCJ 2015-03-06
16:10
Tokyo Kikai-Shinko-Kaikan Bldg. A study on ringing simulation by modeling high-frequency transformer characteristic for fly-back converter
Takaaki Ibuchi, Katsuya Sugiki, Tsuyoshi Funaki (Osaka Univ.) EMCJ2014-109
 [more] EMCJ2014-109
pp.41-46
EE, CPM 2014-02-27
11:30
Tokyo Kikai-Shinko-Kaikan Bldg. An experimental study on the effect of temperature on effective series resistance and open circuit voltage for Mn-type Li-Ion battery
Natthawuth Somakettarin, Tsuyoshi Funaki (Osaka Univ.) EE2013-51 CPM2013-152
This paper presents experimental results of the dynamic behaviors for Mn-type Li-Ion battery in charging and discharging... [more] EE2013-51 CPM2013-152
pp.15-20
EE, CPM 2014-02-27
13:00
Tokyo Kikai-Shinko-Kaikan Bldg. A Study on large signal characterization and modeling of Mn type Li ion battery
Tsuyoshi Funaki (Osaka Univ), Shiro Kato, Shinji Katsura (KRI) EE2013-52 CPM2013-153
The small signal frequency characterization of ac impedance is standard method in evaluating and modeling battery. The a... [more] EE2013-52 CPM2013-153
pp.21-26
EMCJ 2013-07-11
15:05
Tokyo Kikai-Shinko-Kaikan Bldg. Reducing Common-Mode Noise of Power Converter Using Impedance Balance Method.
Atsuhiro Takahashi, Hiroshi Tsukada, Takashi Kojima, Yoshiyuki Hattori (TOYOTA Central Labs.), Tsuyoshi Funaki (Osaka Univ.), Osami Wada (Kyoto Univ.) EMCJ2013-35
This study discusses the generating mechanism of the common-mode voltage in FM-radio band at the input terminal of a ste... [more] EMCJ2013-35
pp.45-50
EE, CPM 2013-01-24
16:10
Kumamoto   A study on an equivalent circuit model of Mn-system lithium-ion battery module for cyclic charge and discharge energy efficiency evaluation
Takaaki Oishi, Hideharu Sugihara, Tsuyoshi Funaki (Osaka Univ) EE2012-39 CPM2012-161
An accurate model in electrical behaviors of lithium-ion battery is necessary to design the optimal installation capacit... [more] EE2012-39 CPM2012-161
pp.65-70
EMCJ 2013-01-10
14:55
Nagasaki Nagasaki Univ. A study on Optimal Copper Loss and Dimension Design of Air Core Reactor for Power Conversion Circuit
Takaaki Ibuchi, Tsuyoshi Funaki (Osaka Univ.) EMCJ2012-110
It is important to design passive components e.g. inductors and capacitors for the operation of power conversion circuit... [more] EMCJ2012-110
pp.47-52
EMCJ, ITE-BCT 2012-03-16
13:00
Tokyo Kikai-Shinko-Kaikan Bldg. A study on reduction of common mode noise in non-isolated DCDC converter -- Effect of common mode noise reduction by balanced circuit --
Hiroyuki Okumura, Hidenori Sekiguchi, Tsuyoshi Funaki (Osaka Univ.) EMCJ2011-137
 [more] EMCJ2011-137
pp.43-48
EMCJ, ITE-BCT 2012-03-16
13:25
Tokyo Kikai-Shinko-Kaikan Bldg. A study on ripple factor in DCDC converter output voltage influenced by non-ideal characteristic of passive component
Keiwa Tsukano, Tsuyoshi Funaki (Osaka Univ) EMCJ2011-138
 [more] EMCJ2011-138
pp.49-54
EE 2012-01-25
14:15
Nagasaki   A study on charge and discharge control system of EDLC for compensation of output fluctuation in renewable energy source
Kazuya Ushigome, Tsuyoshi Funaki (Osaka Univ) EE2011-39
An output fluctuation compensation system for renewable power generation is indispensable to balance power supply-demand... [more] EE2011-39
pp.47-52
NLP, CAS 2010-08-03
09:00
Tokushima Naruto University of Education An Experimental Study on Mechanical Model for Understanding Power System Stability
Yuko Omagari, Tsuyoshi Funaki (Osaka Univ.) CAS2010-47 NLP2010-63
It is difficult to understand the power system behavior intuitively due to its invisibility. The equivalent mechanical m... [more] CAS2010-47 NLP2010-63
pp.73-78
EMCJ, IEE-EMC 2010-06-18
16:15
Osaka Osaka Univ. [Special Talk] Phase coordinate conversion and balanced condition of power circuit
Tsuyoshi Funaki (Osaka Univ.) EMCJ2010-20
The advent of inverter circuit brought the problem of common mode conduction noise from the power supply circuit to the ... [more] EMCJ2010-20
pp.73-78
SIP, CAS, CS 2007-03-06
09:30
Tottori Blancart Misasa (Tottori) [Poster Presentation] A Study on Thermal Conduction and Distribution in Package for SiC-SBD
Tsuyoshi Funaki, Akira Nishio, Takashi Hikihara (Kyoto Univ.) CAS2006-98 SIP2006-199 CS2006-115
Electrical characeristics of semiconductor devices vary with temperature. Thermal influence becomes more important for S... [more] CAS2006-98 SIP2006-199 CS2006-115
pp.29-34
NLP 2006-11-14
13:30
Okayama   A Study on Generation Mechanism of Subharmonic Oscillation in TCR-SVC
Koto Nakagawa, Tsuyoshi Funaki, Takashi Hikihara (Kyoto Univ)
 [more] NLP2006-85
pp.45-50
NLP, CAS 2006-10-04
13:05
Osaka   A Study of the Power-Diode Model in Consideration of Reverse Recovery and Depletion Layer Charge
Tsuyoshi Funaki, Takashi Sawada, Takashi Hikihara (Kyoto Univ.)
In the switching circuits using power semiconductor devices, the reverse recovery of diodes produces an increase in the ... [more] CAS2006-23 NLP2006-46
pp.13-18
NLP, CAS 2006-10-04
13:30
Osaka   High voltage-capacitance characteristics measurement for SiC-JFET -- Circuit for applying high voltage and gate voltage to SiC-JFET --
Syuntaro Matsuzaki, Tsuyoshi Funaki, Takashi Hikihara (Kyoto Univ.)
We have been modeling SiC power devices for circuit simulation to design and evaluate power converter circuit.
The ele... [more]
CAS2006-24 NLP2006-47
pp.19-24
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