Search Results - "Funato, Hirohito"

Refine Results
  1. 1

    Efficiency characteristics for changes in amplitude and power factor of diode‐clamped linear amplifier unequally divided voltage power supply by Haruna, Junnosuke, Matano, Yusuke, Funato, Hirohito

    Published in Electrical engineering in Japan (01-09-2022)
    “…A diode‐clamped linear amplifier (DCLA) is proposed to realize low electromagnetic interference (EMI) caused by switching operations. A new concept of the…”
    Get full text
    Journal Article
  2. 2

    A comprehensive study of three high‐gain DC‐DC topologies based on Cockcroft‐Walton voltage multiplier for reduced power PV applications by Abdel‐Rahim, Omar, Funato, Hirohito, Haruna, Junnosuke

    “…This work provides a comprehensive study of three different topologies founded on the well‐known Cockcroft–Walton (CW) voltage multiplier for reduced power PV…”
    Get full text
    Journal Article
  3. 3

    Gird‐connected boost inverter for low‐power PV applications with model predictive control by Abdel‐Rahim, Omar, Funato, Hirohito, Haruna, Junnosuke

    “…We present a two‐stage inverter with high‐voltage conversion ratio employing modified finite‐set model predictive control (MPC) for utility‐integrated…”
    Get full text
    Journal Article
  4. 4

    Proposal of Series‐Parallel Continuously Regulated Chopper Suitable for Auxiliary Power Supply of Railway Vehicle by MORI, TAKAO, NAKAMURA, MASAYUKI, MAKISHIMA, SHINGO, UEZONO, KEIICHI, FUNATO, HIROHITO

    Published in Electrical engineering in Japan (01-04-2017)
    “…SUMMARY The conventional auxiliary power supply (APS) of a railway vehicle is directly connected to the catenary through the LC filter. Hence, the switching…”
    Get full text
    Journal Article
  5. 5

    Improved Modified Switching Transient Pulse Width Modulation (MT-PWM) Method Applied to H-Bridge Type Step-Down Converter by MORI, TAKAO, FUNATO, HIROHITO, OGASAWARA, SATOSHI, OKAZAKI, FUMIHIRO, HIROTA, YUKITSUGU

    Published in Electrical engineering in Japan (01-02-2016)
    “…SUMMARY The authors have devised a new method to decrease high‐frequency harmonics in a specific frequency band by modifying the switching transient slope. In…”
    Get full text
    Journal Article
  6. 6

    Modified maximum power point tracking technique based on fixed frequency model predictive control for PV applications by Abdel-Rahim, Omar, Funato, Hirohito, Haruna, Junnosuke

    “…A novel Maximum Power Point Tracking Technique (MPPT) based on Fixed Frequency Model Predictive Control (FFMPC) for Photovoltaic (PV) is developed through this…”
    Get full text
    Conference Proceeding
  7. 7

    Efficiency Improvement for Diode-Clamped Linear Amplifier Using Unequally Divided Voltage Power Supply by Haruna, Junnosuke, Matano, Yusuke, Funato, Hirohito

    Published in IEEE transactions on industry applications (01-05-2021)
    “…A high-efficiency diode-clamped linear amplifier (DCLA) has been proposed to realize low electromagnetic interference caused by switching operations. In this…”
    Get full text
    Journal Article
  8. 8

    Proposal of Optimal Design Method for Capacitance in Operating Area Expandable SR Motor Drive Circuit by Kurishima, Taisei, Sugai, Ryuya, Goto, Hiroki, Funato, Hirohito, Haruna, Junnosuke

    “…Authors have proposed a novel drive circuit for SR motor expanding operating area under limited source voltage adding external capacitor in series to extend…”
    Get full text
    Conference Proceeding
  9. 9

    Selection of Capacitance in Operating Area Expandable SR Motor Drive Circuit by Kurishima, Taisei, Goto, Hiroki, Funato, Hirohito, Haruna, Junnosuke

    “…Authors have proposed a novel drive circuit for SR motor expanding operating area under limited source voltage adding external capacitor in series to extend…”
    Get full text
    Conference Proceeding
  10. 10

    Proposal of switching power amplifier using small-capacity linear amplifier and LC filter by Kamada, Jo, Funato, Hirohito, Ogasawara, Satoshi

    Published in Electronics and communications in Japan (01-10-2008)
    “…High efficiency and low noise in output voltage and current are required in audio‐video equipment, medical apparatus, and many other applications. This paper…”
    Get full text
    Journal Article
  11. 11

    A novel model predictive control for high gain switched inductor power conditioning system for photovoltaic applications by Abdel-Rahim, Omar, Funato, Hirohito

    “…This paper proposes Model Predictive Control (MPC) for single-phase grid connected inverter for PV applications. The proposed single-phase inverter is a…”
    Get full text
    Conference Proceeding
  12. 12

    Transfer Power Analysis of Capacitively Isolated Outlet and Plug (CapIsOP) using Series Resonance by Funato, Hirohito, Amano, Koki, Hatsumi, Takuya, Haruna, Junnosuke

    “…Authors have proposed capacitively isolated outlet and plug (CapIsOP) suitable for DC power distribution. In the previous studies, comb type capacitor is used…”
    Get full text
    Conference Proceeding
  13. 13

    Proposal of isolated outlet socket and plug using capacitive power transfer by Amano, Koki, Funato, Hirohito, Haruna, Junnosuke

    “…This paper proposes the novel isolated capacitive power transfer outlet socket and plug using comb type capacitor. The detachable comb capacitor is proposed as…”
    Get full text
    Conference Proceeding
  14. 14

    Pseudo single stage flyback current source inverter for grid connected PV applications by Abdel-Rahim, Omar, Funato, Hirohito, Haruna, Junnosuke

    “…Pseudo single stage flyback current source inverter designed for photovoltaic applications is presented in this paper. The proposed inverter consists of…”
    Get full text
    Conference Proceeding
  15. 15

    MPPT circuit with analog control suitable for solar cars by Kano, Fumihisa, Kasai, Yuji, Kimura, Hideki, Funato, Hirohito

    Published in Electrical engineering in Japan (01-12-2020)
    “…This paper presents a maximum power point tracking (MPPT) circuit composed of analog circuits suitable for solar cars. The MPPT controller circuit, which…”
    Get full text
    Journal Article
  16. 16

    Buck‐Boost‐Type MPPT Circuit Suitable for Vehicle‐Mounted Photovoltaic Power Generation by Kano, Fumihisa, Kasai, Yuji, Kimura, Hideki, Sagawa, Kouhei, Haruna, Junnosuke, Funato, Hirohito

    “…This paper presents a buck–boost maximum power point tracking (MPPT) circuit suitable for solar cars. The MPPT controller, which consists of analog elements…”
    Get full text
    Journal Article
  17. 17

    Space vector modulation‐included commutation method for voltage source‐type isolated three‐phase/single‐phase matrix converter by Haruna, Junnosuke, Funato, Hirohito, Ueda, Hiroshi

    “…This paper proposes a control strategy for voltage source‐type isolated AC/DC matrix converter. In this paper, differences of control strategy between a…”
    Get full text
    Journal Article
  18. 18

    Multilevel series–parallel continuously regulated chopper applied flying capacitor topology by Mori, Takao, Uezono, Keiichi, Funato, Hirohito, Haruna, Junnosuke

    “…This paper proposes a new configuration of the series–parallel continuously regulated chopper applying three‐level operation realized by flying capacitor…”
    Get full text
    Journal Article
  19. 19

    Loss analysis and efficiency enhancing method for a unipolar hysteresis‐Controlled single‐phase grid‐connected inverter by Haruna, Junnosuke, Masubuchi, Nobuhiro, Iwase, Shintaro, Funato, Hirohito

    “…This paper compares control schemes using hysteresis control and a conventional triangle‐carrier comparison control to discuss the theoretical efficiency of a…”
    Get full text
    Journal Article
  20. 20

    Switched inductor quadratic boosting ratio inverter with proportional resonant controller for grid-tie PV applications by Abdel-Rahim, Omar, Furiato, Hirohito

    “…This paper presents High-gain power conditioning system for grid connected PV applications. The construction of the proposed system consists of high-gain…”
    Get full text
    Conference Proceeding