• 1411 Citations
  • 15 h-Index
19952019
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Research Output 1995 2019

  • 1411 Citations
  • 15 h-Index
  • 173 Conference contribution
  • 96 Article
  • 3 Chapter

Feasibility study of fractal-fin heat sink for improving cooling performance of switching power converters

Ikegami, S., Umetani, K., Hiraki, E., Sakai, S. & Higashino, S., Jan 14 2019, 2018 IEEE International Telecommunications Energy Conference, INTELEC 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8612377. (INTELEC, International Telecommunications Energy Conference (Proceedings); vol. 2018-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fins (heat exchange)
Heat sinks
Power converters
Fractals
Cooling

Application of Automatic Resonant Frequency Tuning Circuit to Induction Heating System

Kamaeguchi, K., Umetani, K. & Hiraki, E., Oct 30 2018, 2018 20th European Conference on Power Electronics and Applications, EPE 2018 ECCE Europe. Institute of Electrical and Electronics Engineers Inc., 8515340

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Induction heating
Natural frequencies
Tuning
Networks (circuits)
Magnetic fields
2 Citations (Scopus)

Automatic Resonance Frequency Tuning Method for Repeater in Resonant Inductive Coupling Wireless Power Transfer Systems

Ishihara, M., Umetani, K. & Hiraki, E., Oct 22 2018, 2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018. Institute of Electrical and Electronics Engineers Inc., p. 1610-1616 7 p. 8507768

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Telecommunication repeaters
Tuning
Induced currents
Networks (circuits)
Resonators
4 Citations (Scopus)
Resonators
Equivalent circuits
Magnetic couplings
Design optimization

Elucidation of quasi-duality between series-series and series-parallel topologies of resonant inductive coupling wireless power transfer systems

Ishihara, M., Umetani, K. & Hiraki, E., Feb 9 2018, 2017 IEEE 12th International Conference on Power Electronics and Drive Systems, PEDS 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-December. p. 674-679 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Topology
Equivalent circuits
Networks (circuits)