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Equivalency of Series-Parallel Hybrid System Using Planetary Gear and Hybrid System Using EVT
Yuki Kubo,Satoshi Ogasawara,Masatsugu Takemoto 전력전자학회 2011 ICPE(ISPE)논문집 Vol.2011 No.5
The series-parallel hybrid system using a planetary gear realizes low-fuel consumption and restraining of the exhaust gas by performing an optimal control of the internal combustion engine (ICE) with various driving modes. On the other hand, the hybrid system using electric variable transmission (EVT) has been proposed. This paper presents a theoretical consideration on equivalency of the series-parallel hybrid system and the hybrid system using the EVT. Additionally, some experimental results and simulation results are compared to confirm equivalency of the two systems.
Soonhwan Hwang,Satoshi Ogasawara,Koji Orikawa,Masatsugu Takemoto 전력전자학회 2019 ICPE(ISPE)논문집 Vol.2019 No.5
This paper proposes an interleaved AC/DC buckboost converter with active power decoupling(APD) using the modular design method. It also introduces the control method using the sliding mode control (SMC) strategy for the proposed circuit. The contribution of this paper was first proposed by AC/DC Interleaved Converter circuits with APD functions, which allowed the size of input filters and magnetic cores to be reduced. Additionally, we have applied SMC strategies to the control system to be robust for the disturbance or model uncertainty. The effectiveness of the proposed circuit and control method is shown by simulations using MATLAB/SIMULINK.
Kanako Tsushima,Satoshi Ogasawara,Koji Orikawa,Masatsugu Takemoto,Kenji Koyama 전력전자학회 2019 ICPE(ISPE)논문집 Vol.2019 No.5
This paper deals with electromagnetic interference radiated from air-conditioner piping that acts as an antenna and emits electromagnetic noise. The current distribution on the piping is measured by using a near-field magnetic probe, and the distribution mode is analyzed. The results show that the piping resonates at the frequencies where the piping length accords with λ/4, 3λ/4, and 5λ/4, and radiates electromagnetic noise as a monopole antenna. This radiation mechanism is confirmed by simulations using the CST EMC Studio electromagnetic field simulator.