下河辺 明 SHIMOKOHBE Akira

ID:9000045471676

気象庁数値予報課 (2013年 CiNii収録論文より)

Search authors sharing the same name

Articles:  1-20 of 20

  • 気象庁全球モデルの鉛直層数増強計画  [in Japanese]

    Kanehama Takafumi , Nakagawa Masayuki , Yonehara Hitoshi , Ujiie Masashi , Sekiguchi Ryohei , Furukawa Takahiro , Shimokobe Akira , Nagasawa Ryoji , Yabu Shokichi , Murai Shigeki

    平成24年度京都大学防災研究所一般研究集会(24K-08)「週間及び1か月予報における顕著現象の予測可能性」, 京都大学防災研究所連携研究棟大セミナー室, 2012/11/20-22

    週間及び1か月予報における顕著現象の予測可能性, 81-85, 2013-03

    IR 

  • 現業数値予報結果の評価に基づく全球モデル改良への試み  [in Japanese]

    Umezu Hironori , Furukawa Takahiro , Shimokobe Akira , Yonehara Hitoshi , Murata Hidehiko , Kazumori Masahiro , Onoda Hirokatsu

    平成24年度京都大学防災研究所一般研究集会(24K-08)「週間及び1か月予報における顕著現象の予測可能性」, 京都大学防災研究所連携研究棟大セミナー室, 2012/11/20-22

    週間及び1か月予報における顕著現象の予測可能性, 86-90, 2013-03

    IR 

  • A Disposable Magnetically Levitated Centrifugal Blood Pump for Extracorporeal Circulation Support:—Improvement of Pump Performance for Animal Experiment—

    HIJIKATA Wataru , SHINSHI Tadahiko , SOMEYA Takeshi , ARAI Hirokuni , TAKATANI Setsuo , SHIMOKOHBE Akira

    A disposable magnetically levitated centrifugal blood pump, which aims to be used for from a few days to a few months, has been developed. An impeller is levitated and rotated without contact using a …

    Journal of the Japan Society for Precision Engineering 76(9), 1064-1069, 2010

    J-STAGE 

  • A One-degree-of-freedom Controlled Magnetic Bearing for Compact Centrifugal Pumps  [in Japanese]

    YUMOTO Atsushi , SHINSHI Tadahiko , ZHANG Xiaoyou , SHIMOKOHBE Akira

    We propose a compact one-degree-of-freedom controlled magnetic bearing for centrifugal pumps, such as implantable ventricular assist devices. The magnetic bearing passively supports radial and tilt mo …

    Transactions of the Japan Society of Mechanical Engineers C 74(742), 1625-1630, 2008-06-25

    References (15) Cited by (2)

  • 東京工業大学の産学連携戦略  [in Japanese]

    下河辺 明

    ITE technical report 29(26), 1-5, 2005-03-24

  • Axial displacement measurement using capacitance variation of a spindle  [in Japanese]

    KUROKI Jiro , SHINSHI Tadahiko , SHIMOKOHBE Akira

    This paper describes a design and performance of a capacitive position sensing in the axial direction of a one-axis-controlled magnetic bearing, which requires in-process displacement measurement and …

    The Proceedings of The Manufacturing & Machine Tool Conference 2004.5(0), 71-72, 2004

    J-STAGE 

  • Development of a High Precision Straight Motion System (3rd Report):Control of Five Degrees of Freedom of Straight Motion

    AOYAMA Hisayuki , WATANABE Ichiro , SHIMOKOHBE Akira

    A machine table has five kinds of straight motion errors, when it moves along a reference. Those are the errors of the vertical and horizontal positions, and the pitch, roll and yaw angle attitude err …

    Journal of the Japan Society of Precision Engineering 51(12), 2277-2283, 1985

    J-STAGE 

  • An Optical Non-contacting Probe (2nd Report):Experiments on a Miniaturized One Body Probe

    OSADA Hideharu , SHIMOKOHBE Akira

    An optical non-contacting probe which detects displacement, position and inclination of work surfaces, is introduced for three dimensional coordinate measuring machines. The probe uses two light beams …

    Journal of the Japan Society of Precision Engineering 51(12), 2271-2276, 1985

    J-STAGE 

  • An Optical Non-contacting Probe  [in Japanese]

    SHIMOKOHBE Akira , OSADA Hideharu

    表1は本論文の実験結果をまとめたものである.表中の○印,×印は,それぞれ測定可能,測定不能の場合を示している.測定可能例は,変位,位置,傾きの順に少なくなっている.これを増すためには,光学系の構成,電子回路の改良が必要であると思われる.<BR>変位測定の標準偏差σは,変位0μm位置での10回の測定出力電圧の標準偏差を,測定面変位に換算した値である.測定面位置合わせのばらつき,変位読取り …

    Journal of the Japan Society of Precision Engineering 50(7), 1123-1129, 1984

    J-STAGE 

  • Measurements of Relative Errors between a Worm and the Companion Hob  [in Japanese]

    OSADA Hideharu , TOYAMA Akira , SHIMOKOHBE Akira

    It is said that a worm gear set will perform well if both of the worm and mating worm wheel are machined correctly. When relative errors of profile and lead between the worm and the companion worm whe …

    Journal of the Japan Society of Precision Engineering 50(6), 992-997, 1984

    J-STAGE 

  • Development of a High Precision Straight Motion System  [in Japanese]

    SHIMOKOHBE Akira , AOYAMA Hisayuki

    In the system, a steel block is completely floated by some air pads. The block and pads are mounted on a conventional mechanical sliding table. When the table is driven straightly, the vertical and ho …

    Journal of the Japan Society of Precision Engineering 50(6), 986-991, 1984

    J-STAGE 

  • Evaluation of Form Errors by Minimum Zone Method  [in Japanese]

    SHIMOKOHBE Akira , TOYAMA Akira , FUKUDA Makoto

    A new method is introduced for evaluating form errors of a workpiece such as the straightness in a plane, flatness, roundness and cylindricity. By the method, the minimum zone containing a measured fe …

    Journal of the Japan Society of Precision Engineering 50(4), 697-703, 1984

    J-STAGE 

  • Automatic Calibration of Circular Magnetic Scales  [in Japanese]

    YAMANOUCHI Toru , SHIMOKOHBE Akira , TOYAMA Akira

    Circular magnetic scales are used widely as rotary encoders, and conventionally, they are calibrated by measurement of intervals of pulses which are generated from the output of magnetic head. But for …

    Journal of the Japan Society of Precision Engineering 47(11), 1419-1424, 1981

    J-STAGE 

  • Measuring System for Worm Hob (2nd Report):Experimental System and Measured Results

    SHIMOKOHBE Akira , TOYAMA Akira , KAWAMOTO Tomokazu

    An experimental system, which is intended for checking accurately the profile of worm hob teeth, is introduced. Although the system has a simple mechanism, it can be used for measuring workpieces of v …

    Journal of the Japan Society of Precision Engineering 47(10), 1276-1282, 1981

    J-STAGE 

  • Tooth Bearing and Angle Transmission Accuracy in Worm Gears (1st Report):A Numerical Method

    SHIMOKOHBE Akira , TOYAMA Akira , AZUMA Yusaku

    This report introduces a numerical method for calculating the tooth bearing and the angle trans-mission accuracy in worm gears. In this method, the tooth surface of the worm wheel is represented by th …

    Journal of the Japan Society of Precision Engineering 46(3), 367-372, 1980

    J-STAGE 

  • A Study on Worm Hob (2nd Report):Experimental Relief-grinding of Hob

    SHIMOKOHBE Akira , TOYAMA Akira , ITOH Fumikazu

    This report introduces results of experimental relief-grinding of worm hob. The objective of this experiment is to prove that the numerical method discussed in the previous report is effective in dete …

    Journal of the Japan Society of Precision Engineering 46(5), 627-631, 1980

    J-STAGE 

  • Tooth Bearing and Angle Transmission Accuracy in Worm Gears (2nd Report):Tooth Modification and its Effect

    SHIMOKOHBE Akira , TOYAMA Akira , AZUMA Yusaku

    Tooth modification makes worm gears have an entry gap and avoid the possibility of edge contact caused by the profile error and the setting error of hob and worm gears. Modification methods discussed …

    Journal of the Japan Society of Precision Engineering 46(11), 1428-1433, 1980

    J-STAGE 

  • Measuring System for Worm Hob (1st Report):Principle of the System

    SHIMOKOHBE Akira , TOYAMA Akira , KAWAMOTO Tomokazu

    This report is concerned with the measuring system, which is intended for checking accurately the form of worm wheel hob. The features of the system, such as a simple mechanism, short measuring times …

    Journal of the Japan Society of Precision Engineering 46(10), 1291-1296, 1980

    J-STAGE 

  • New Methods of Measuring the Tooth Profile of the Worm  [in Japanese]

    SHIMOKOBE Akira , TOYAMA Akira , AOYAMA Takashi , KOBAYASHI Yuji

    This article describes new methods to measure the tooth profile of the axial section of a worm accurately to a high degree with a ball shaped or a disk shaped probe. When the probe is moved along the …

    Journal of the Japan Society of Precision Engineering 45(540), 1443-1448, 1979

    J-STAGE 

  • A Study on Worm Hob (1st Report):Numerical Analysis of Relief Grinding Wheel Profile

    SHIMOKOHBE Akira , TOYAMA Akira , ITOH Fumikazu

    Generally, a cutting edge of hob is intersection of two ground surfaces (face and flank). It is difficult to finish accurately the cutting edge of worm hob having a high lead angle. This study concern …

    Journal of the Japan Society of Precision Engineering 43(507), 330-335, 1977

    J-STAGE 

Page Top