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    1. Sakahisa Nagai, Roberto Oboe, Tomoyuki Shiono, Atsuo Kawamura, �gFast force control without force sensor using combination of aaKF and RFBO for in-circuit test with probing system�g, IEEJ Journal of Industry Applications, Vol.8 Issue.2, pp.152-159, 2019 (https://doi.org/10.1541/ieejia.8.152)
    2. Masaya Katayama, Tatsuki Ohno, Hidemine Obara, Atsuo Kawamura, "Application of Multi-Level Converter for Fast Current Control in Small-Scale DC Power Network", IEEE Transactions on Industry Applications. Vol.55, Issue 3, May-June 2019, (https://doi.org/10.1109/TIA.2019.2896839)
    3. Ayataro Tamura, Takayuki Ishibashi, Atsuo Kawamura, �eEV Range extender in a two-battery HEECS chopper-based Power train�h, World Electr. Veh. J. 2019, 10,19. (https://doi.org/10.3390/wevj10020019)
    4. Ayataro Tamura, Takayuki Ishibashi,Takuro, Umihara,Yukinori Tsuruta, Hidemine Obara, Atsuo Kawamura, �gVoltage Control of Intermittent Pulse Density Modulation for Two Battery HEECS chopper and the Application for Range extension of Electric Vehicles�h, IEEJ Journal of Industry Applications, vol. 8, no. 5, pp. 787-794, 2019, (https://doi.org/10.1541/ieejjia.8.787)
    5. Yukinori Tsuruta, Atsuo Kawamura, �gRealization and highly precise measurement of 100kW HEECS chopper with 99.5% efficiency�h, IEEJ Journal of Industry Applications vol. 8, no. 5, pp. 843-848, 2019 (https://doi.org/10.1541/ieejjia.8.843)
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    1. Satoshi Nakazaki, Ito Shogo, Hidemine Obara, Atsuo Kawamura, "Discussion on Loss Breakdown of 99.6% Efficiency Two Battery HEECS Inverter", 21th European Conference on Power Electronics and Application, EPE'19 ECCE Europe, Italy, Genova, 2019-9.
    2. Yoshiki Kosode, Hidemine Obara, Atsuo Kawamura, Yu Hosoyamada, Itsuo Yuzurihara, "Experimental Realization of High Performance Transient Response for Two-Phase Interleaved DC-DC Buck Converter using Half Sampling Time Deadbeat Control", IEEE 45th Annual Conference of the Industrial Electronics Society(IECON), Portugal, Lisbon, 2019-10
    3. Takayuki Ishibashi, Hidemime Obara, Atsuo Kawamura, �gProposal of SOC Unbalancing Solution Combined with Flux-weakening Control for Two-battery HEECS Chopper-based EV Powertrain�h, IEEE IFEEC, Singapore, 2019-12
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    3. �¬‘³‹`‹M�E�¬Œ´�G—ä�E‰Í‘º“Ä’j�i‰¡•l�‘—§‘åŠw�j�E�׎R“c —I�E––‰i–L�º�E�÷Œ´ˆí’j�i‹žŽO�»�ì�Š�j�A�gHigh/Low“dˆ³ƒpƒ‹ƒX�o—͂̂½‚߂̓ñ‘ŠƒCƒ“ƒ^�[ƒŠ�[ƒu�~ˆ³ƒRƒ“ƒo�[ƒ^‚É‚¨‚¯‚é‚Þ‚¾ŽžŠÔ•â�žŒ^‚Ì”¼ŽüŠú–ˆ“d—¬ƒfƒbƒhƒr�[ƒg�§Œä�h“d‹CŠw‰ï‘S�‘‘å‰ï4-067�A�@pp.108-109�A2020”N3ŒŽ
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    1. ‰Í‘º“Ä’j�C2019”N 6ŒŽ11“ú�C‘æ49‰ñ YJCŽÀ‘•‹Z�pƒZƒ~ƒi�[(‰¡•l�‘‘å)�C�u“d—͕ϊ·Œø—¦99.9�“‚Ö‚Ì’§�í�v
    2. ‰Í‘º“Ä’j�C2019”N 8ŒŽ 8“ú�C‘åŠw“d‹CŒn‹³ˆõ‹¦‹c‰ï-‘åŠw“d‹C�HŠwŒ¤‹†�W‰ï�i‘«—˜‘åŠw�j�C�u‰¡•l�‘—§‘åŠw—��HŠw•”“dŽq�î•ñƒVƒXƒeƒ€EP‚É‚¨‚¯‚éƒpƒ�ƒGƒŒ‹³ˆç‚ÌŒ»�ê‚Æ�«—ˆ�v
    3. ‰Í‘º“Ä’j�C2019”N 9ŒŽ 8“ú�C‰iŽç�ÜŽö�ÜŽ®(‹ž“s)�C�u“d—͕ϊ·Œø—¦99.9�“‚Ö‚Ì’§�í‚Æ‚»‚ÌŒ¤‹†‚̕ϑJ�v
    4. ‰Í‘º“Ä’j�C2019”N10ŒŽ24“ú�C‘æ9‰ñƒXƒ}�[ƒgƒr�[ƒNƒ‹Œ¤‹†ƒZƒ“ƒ^�[ƒVƒ“ƒ|ƒWƒEƒ€�i–L“c�H‘å�j�C�u’¼—ñƒ`ƒ‡ƒbƒp•ûŽ®‚É‚æ‚鎩“®ŽÔ‚Ì‘–�s‹——£‰„�L‚ƕϊ·Œø—¦99.9�“‚Ì“d—͕ϊ·‹@ŠíŽÀŒ»‚Ö‚Ì’§�í‚̃Cƒ“ƒpƒNƒg�v
    5. A. Kawamura, �hChallenge to 99.9 % efficiency electric power conversion and the applications�h, Keynote Speech, ICRERA2019(Romania), Nov.4th, 2019