Toru Inoue

Hiroshima University

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Tetsuo Irifune

Ehime University

Yuji Higo

Japan Synchrotron Radiation Research Institute

Akihiro Yamada

University of Shiga Prefecture

Hisayoshi Yurimoto

Hokkaido University

Takumi Kikegawa

High Energy Accelerator Research Organization

Norimasa Nishiyama

Tokyo Institute of Technology

Sho Kakizawa

Japan Synchrotron Radiation Research Institute

Ken‐ichi Funakoshi

Comprehensive Research Organization for Science and Society

Yoshio Kono

Ehime University

Hiroaki Ohfuji

Tohoku University

Cooperative Institutions

The University of Tokyo

Ehime University

Osaka University

Kyoto University

Tokyo Institute of Technology

Tohoku University

Japan Synchrotron Radiation Research Institute

Nagoya University

Hiroshima University

Okayama University

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Harmonics Reduction Control of Source Current of Electrolytic Capacitorless Inverter for Position-sensorless Drive System of Induction Motors

Taisei Shinagawa Kiyoshi Ohishi Kodai Abe Yuki Yokokura Toru Inoue

This paper proposes a novel system for harmonics reduction control of the source current of electrolytic capacitorless inverters for a position-sensorless drive system of an induction motor (IM). The proposed system is based on the estimation of the primary flux linkage. In this study, the application range of the control system of the IM is extended to a three-phase-to-three-phase electrolytic capacitorless inverter. Moreover, a direct dc-link current control is employed to improve the source current waveform. The validity of the control system is confirmed through experimental results.

10.23919/icems50442.2020.9291022

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Citations (3)

Phase relation of CaSO4 at high pressure and temperature up to 90 GPa and 2300 K

Physics and Chemistry of Minerals (2016)

Taku Fujii Hiroaki Ohfuji Toru Inoue

10.1007/s00269-016-0799-4

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Citations (10)

a high pressure and temperature phase relations in MgAl2O4

Abstracts for Annual Meeting of the Mineralogical Society of Japan Abstracts for the Meeting (2004) of the Mineralogical Society of Japan (2004)

Yuichiro Sueda Tetsuo Irifune Toru Inoue Yuji Higo Takehiro Kunimoto

10.14824/kobutsu.2004.0.9.0

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Citations (1)

Thermal expansion of wadsleyite, ringwoodite, hydrous wadsleyite and hydrous ringwoodite

Physics of The Earth and Planetary Interiors (2004)

Toru Inoue

Ringwoodite

Thermoelastic damping

10.1016/s0031-9201(04)00062-7

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Citations (4)

Density changes of pyrolite and MORB around 660 km seismic discontinuity by in-situ X-ray experiment

Abstracts for Annual Meeting of the Mineralogical Society of Japan 2005 Annual Meeting of the Mineralogical Society of Japan (2005)

T. Sanehira Tetsuo Irifune Yuichiro Sueda Toru Shinmei Toru Inoue

Discontinuity (linguistics)

10.14824/kobutsu.2005.0.18.0

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Existence of Water in the Earth's Upper Mantle and Generation of Ultrabasic Magma

Zisin (Journal of the Seismological Society of Japan 2nd ser ) (1995)

Toru Inoue

The possible existence of water in the upper mantle and its implications to the generation of ultrabasic (komatiite) magma have been discussed on the basis of the recent melting experiments in the systems pyrolite+H2O and Mg2SiO4 MgSiO3-H2O. The experiments demonstrated that presence of a certain amount of H2O changes the melting temperatures, liquidus phases, and melt compositions in these system. No hydrous phases were observed near the solidus temperature below 12GPa, whereas hydrous modified spinel was found near the solidus temperatures at 15.5GPa. The maximum content of H2O in this phase is estimated to be 3.3wt% from the microprobe analysis and crystallographic constraint. This suggests that a significant amount of H2O can be accommodated in the mantle transition zone. The melting phase relations suggest that komatiite magmas can be generated in the hydrous mantle at about 200km depth.

Solidus

Ultramafic rock

Liquidus

Peridotite

10.4294/zisin1948.48.1_167

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Citations (2)

Vibration of asymmetric rotor supported by oil film bearings

Ingenieur-Archiv (1986)

T. Iwatsubo Y. Tsujiuchi Toru Inoue

Rigid rotor

10.1007/bf00533569

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Citations (9)

In situ X‐ray experiment on the structure of hydrous Mg‐silicate melt under high pressure and high temperature

Geophysical Research Letters (2007)

Akihiro Yamada Toru Inoue Satoru Urakawa Ken‐ichi Funakoshi Nobumasa Funamori

Structure of a hydrous silicate melt with a forsterite‐enstatite‐H 2 O composition was investigated by in‐situ X‐ray diffraction with synchrotron radiation. The high temperature hydrous melt was successfully enclosed in a single‐crystal diamond capsule under high pressure, up to 6.5 GPa. Results showed that the first sharp diffraction peak ( FSDP ), which reflects the intermediate‐range structure of the complex melt, shifted drastically toward higher Q (scattering vector [Å −1 ]) at pressure below 2.2 GPa. This observation indicates that the silicate network in the melt was depolymerized by the influence of water molecules and partly replaced by Si‐OH units under those high‐pressure conditions. In contrast, between 3–5 GPa, such a peak shift was not clearly detected, suggesting that the lengthening of the intermediate‐range ordering of …‐Si‐O‐Si‐… linkage (i.e., polymerization of silicate network) occurred.

Forsterite

Enstatite

Atmospheric temperature range

Diamond anvil cell

10.1029/2006gl028823

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Citations (27)

Preface of the special issue on ‘Indian continent’ Tracking plate tectonics and related events in the Indian continent from Archean to recent times

Journal of Mineralogical and Petrological Sciences (2020)

Kaushik Das Jun‐ichi Ando Toru Inoue

Preface of the special issue on ‘Indian continent’ Tracking plate tectonics and related events in the Indian continent from Archean to recent times

Tracking (education)