K. Hasegawa

Publications60
h-index10
Citations366
Highly Influential Citations13
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Long-term Memory of Foreign-word Learning by Short Movies for iPods
TLDR
In this study, we proposed and implemented "MultiPod", an online educational system for learning foreign words. Expand
  • 15
  • 2
Voltage balancing of the four split DC capacitors for a five-level diode-clamped PWM inverter with a front-end diode rectifier
This paper describes voltage balancing of all the four split dc capacitors for a five-level diode-clamped PWM inverter intended for a transformerless mediumvoltage motor drive with a three-phase… Expand
  • 13
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A Preliminary List of Deep-Sea Gastropods Collected from the Nansei Islands, Southwestern Japan
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  • 2
Low-Modulation-Index Operation of a Five-Level Diode-Clamped PWM Inverter With a DC-Voltage-Balancing Circuit for a Motor Drive
This paper presents a five-level diode-clamped pulse width-modulated (PWM) inverter intended for a medium-voltage motor drive with a constant-torque load but no regenerative braking. It is applicable… Expand
  • 95
  • 1
A New Output Current Measurement Method With Tiny PCB Sensors Capable of Being Embedded in an IGBT Module
This paper proposes a new output current measuring method using tiny printed-circuit-board (PCB) current sensors. The method will make it possible to install the PCB current sensors in an… Expand
  • 18
  • 1
Design and Analysis of a New Evaluation Circuit for Capacitors Used in a High-Power Three-Phase Inverter
TLDR
This paper proposes a new evaluation circuit for dc-link capacitors used in a high-power three-phase inverter, which is intended for testing power loss, failure rate, ageing, and so on. Expand
  • 14
  • 1
Short-circuit protection for an IGBT with detecting the gate voltage and gate charge
TLDR
This paper proposes a new short-circuit protection method with sensing the gate charge and gate voltage of the IGBT using a digitally-controlled real-time monitoring system. Expand
  • 15
  • 1
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Deep-Sea Gastropods of Tosa Bay, Japan, Collected by the R/V Kotaka-Maru and Tansei-Maru during the Years 1997-2000
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  • 1
｢しんかい6500｣システムによるマリアナ背弧海盆の熱水噴出現象とリソスフェアに関する生物・地球科学調査 / Biology and Earth Scientific Investigation by the Submersible "Shinkai 6500" System of Deep-Sea Hydrothermalism and Lithosphere in the Mariana…
  • 3
  • 1
Marine Molluscs Collected from the Shallow Waters of Hainan Island, South China Sea, by China-Japan Joint Research in 1997
  • 9
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