Rchr
J-GLOBAL ID：200901030925595769
Update date: Feb. 13, 2026
Koseki Takafumi
コセキ タカフミ | Koseki Takafumi
Affiliation and department：
Homepage URL (1)：
https://ctl.t.u-tokyo.ac.jp/
Research field (1)：
Electrical power engineering
Research keywords (2)：
電力工学・電気機器工学 交通システム 磁気浮上 リニアモータ 制御工学応用
, Power Engineering. Electric machinery
Research theme for competitive and other funds (24)：
- 2024 - 2027 Virtual Valise and Train Location Identification with Sensor Fusion for a Sustainable Future of the Railways
- 2019 - 2022 Innovative design and operation methods of electric railway vehicle traction systems for peak power shaving and increased regenerative power
- 2019 - 2022 System design and output energy maximization control of ocean wave linear generators as sustainable fundamental energy source
- 2016 - 2019 Study on a method to enhance the regenerative energy on railway vehicles with on board energy storage devices.
- 2016 - 2019 Advanced rail-guided urban public transportation based on intelligent energy management based on communication-based automatic train operation
- 2016 - 2019 Methodology for Resilient Electric Railway Systems against Disaster and Power Failure
- 2013 - 2016 Study on periodical power feedings system for electric raiwaly vehicles.
- 2012 - 2015 冗長性を持つ高安全・高性能ロボットシステムの制御系設計
- 2009 - 2011 Proposal and experimental study on permanent magnet-type transverse flux synchronous machines with a disk rotor for large torque direct drives
- 2005 - 2007 State Estimation of a Linear Synchronous Motor with a Coarse Position Sensor or Sensorless Drive Suspended Magnetically
- 2003 - 2004 A study on a vertical transport system consisting of coreless linear synchronous drive and magnetic suspension with novel arrangement of permanent magnets
- 2000 - 2002 Three-degrees-of-freedom control of electromagnetic levitation and two-dimensional linear synchronous drive for a flexible transport lines
- 1998 - 1999 Improvement of a public transport system using data carriers
- 1997 - 1998 二次元駆動のためのリング巻線・永久磁石形同期モータの開発
- 1995 - 1996 Experimental study on a turnout device with a flux-synthesizing two-dimensional linear synchronous motor
- 1994 - 1995 Simulator for Evaluating Scheduling and Operation of Trains
- 1994 - 1994 垂直輸送システムのリニア同期モータによる直接駆動の研究
- 1992 - 1993 Theoretical Determination of Stopping Patterns For High Density Guided Transportation Systems
- デュアル・サンプリングレート・オブザーバを用いた電気車の駆動制御
- 交通システム運行管理の計算機支援と自動化の研究
- 永久磁石形リニア同期モータを用いた輸送システム
- Control of AC traction motors using multirate sampling observer
- Computer aid and automation of train operation system
- Transportation using a linear synchronous motor with permanent magnets
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Papers (107)：
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Christian Milleneuve Budiono, Akira Hirata, Tatsuya Yamaguchi, Takafumi Koseki, Wataru Ohnishi. Fast and High-Precision Temperature Control in Semiconductor Vertical Furnace via Iterative Experiments. IEEE TRANSACTIONS ON SEMICONDUCTOR MANUFACTURING. 2025. 38. 3. 478-486
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Koki Hattori, Wataru Ohnishi, Takafumi Koseki. High-precision and high-speed flow rate control with nonlinear disturbance compensation using valve body position feedback. Mechatronics. 2025
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Haruki Taniguchi, Keiichiro Kondo, Takafumi Koseki, Masafumi Miyatake. The Braking Technique and Control Method for Increasing Regenerative Energy in DC Electric Railways. IEEJ Transactions on Industry Applications. 2024. 144. 4. 224-233
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Shota Miyoshi, Wataru Ohnishi, Takafumi Koseki, Motoki Sato. Experimental Verification of Two Degree-of-Freedom Control Using Nonlinear Noncausal Feedforward Control for Boost Converters. IEEJ Transactions on Industry Applications. 2024. 144. 3. 112-121
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Xuanlang Meng, Wataru Ohnishi, Takafumi Koseki. Time-efficient Design of Energy-efficient Train Operation Strategy with Multi-fidelity Train Simulators. IEEJ Journal of Industry Applications. 2024. 13. 6. 609-617
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MISC (648)：
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張 皓翔, 長井 健介, 大西 亘, 古関 隆章, 瀬戸口 裕亮, 山口 瑛史, 森田 隼史, 田中 和広. センサフュージョンによるRTK測位の遅延時間推定と列車位置推定の精度向上-Accuracy Improvement of Time Delay Estimation of RTK Positioning and Train Position Estimation Using Sensor Fusion-自動車/ITS/交通・電気鉄道合同研究会 ITS交通,鉄道,自動車,およびその学際領域. 電気学会研究会資料. ITS / ITS研究会 [編]. 2025. 2025. 28-44. 55-60
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コウツウ ・ デンキ テツドウ/マイクロマシン ・ センサ システム ゴウドウ ケンキュウカイ テツドウ 、 センサ ギジュツ イッパン. 2025. 2025. 4-23・25・27-33. 17-22
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服部光希, 大西亘, 古関隆章. Fast Response of Pneumatic Valve Using Feedforward Control to Cancel Acoustic Resonance in Air Tubes. フルードパワーシステム講演会講演論文集(CD-ROM). 2025. 2025
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服部光希, 大西亘, 古関隆章. Fast flow rate control of pneumatic valve driven by linear motor using feedforward control. 電気学会研究会資料(Web). 2025. RM-25-075-095/LD-25-060-080/HCA-25-013-033
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古関隆章. 鉄道の省エネ・脱炭素 鉄道における省エネルギー・脱炭素技術の動向と展望~持続可能な社会を支える交通システムのGX~. 省エネルギー. 2025. 77. 12
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Patents (8)：
Books (13)：
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ノイズ体制試験・設計ハンドブック
科学技術出版 2013
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震災後の工学は何をめざすのか
内田老鶴圃 2012
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鉄道技術ポケットブック
オーム社 2012 ISBN:9784274211683
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鉄道の百科事典
丸善 2012
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鉄道技術ハンドブック
オーム社 2012
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Lectures and oral presentations (342)：
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Global Technical Trend of Driverless Automatic Train Operation and Problems in Promoting Commercial Application of the Technology in Japanese Public Transport
(電気学会研究会資料 2018)
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History of successful commerical operation of Japanese Linear metros for about thirty years and their future
(電気学会研究会資料 2018)
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Visualization of measured energy consumption and train running time useful for studies on energy-saving operation
(電気学会研究会資料 2018)
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Study on Design Method for Increasing Power Density of Induction Motors for Electric Railway Vehicle Traction
(電気学会研究会資料 2018)
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Optimized infrastructure design for frequent mixed urban train service-as a cost-flow minimization based on mixed integer linear programing
(電気学会研究会資料 2018)
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Education (4)：
- - 1992 The University of Tokyo
- - 1992 The University of Tokyo Graduate School, Division of Engineering
- - 1986 The University of Tokyo The Faculty of Engineering
- - 1986 The University of Tokyo Faculty of Engineering
Professional career (1)：
- (BLANK) (The University of Tokyo)
Work history (6)：
Committee career (251)：
Awards (8)：
Association Membership(s) (8)：
Japan Railway Engineers' Association
, Japan Railway Rolling Stock & Machinery Association
, Institue of Electroial and Electronic Engineers
, Institute of Electrical Engineers Japan
, 日本精密工学会
, 日本鉄道電気技術協会
, 日本AEM学会
, 日本機械学会
