Koseki-Ohnishi Laboratory

Kensuke Nagai, Wataru Ohnishi, Takafumi Koseki:

“Absolute Train Localization Based on the Identification of Surrounding Structures using 1D-LiDAR Sensor,”

IEEJ Transactions on Industry Applications, Vol. 144, No. 6, pp. 442-451, 2024

Kensuke Nagai, Wataru Ohnishi, Takafumi Koseki:

“Proposal of a Train Localisation Method Based on the Addition of Cubic Code,”

Railways 2024, Sep. 2024

Keisuke Sakai, Wataru Ohnishi, Takafumi Koseki, Kazuhiro Tanaka, Shunji Morita, Katsutoshi Tokuhara, Koki Kasai:

“Train Trajectory Generation Method to Mitigate Delay Propagation based on Continuous Train Position Acquisition,”

IEEJ Journal of Industry Applications, Vol. 12, No. 5, pp. 924-932, 2023

Keisuke Sakai, Wataru Ohnishi, Takafumi Koseki, Kazuhiro Tanaka, Shunji Morita, Katsutoshi Tokuhara, Koki Kasai:

“Effect of Block Division for Next-Generation Train Control to Mitigate Delay Propagation,”

IEEJ Transactions on Industry Applications, Vol. 143, No. 6, pp. 447-454, 2023

Kensuke Nagai, Wataru Ohnishi, Takafumi Koseki:

“Proposal of Cubic Codes for Improving Accuracy of Structure Identification Using Single-Dimensional LiDAR Sensor,”

TER-24-007, LD-24-007, 2024

Keisuke Sakai, Wataru Ohnishi, Takafumi Koseki, Kazuhiro Tanaka, Shunji Morita, Katsutoshi Tokuhara, Koki Kasai:

“Analysis of the Performance of Mitigating Delay Propagation for Railways Operated by the Moving Block Signaling Considering Turn-Back Stations,”

2023 IEE-Japan Industry Applications Society Conference, 2023

Kensuke Nagai, Wataru Ohnishi, Takafumi Koseki:

“Absolute Train Localization Based On The Identification Of Surrounding Structures Using 1D-LiDAR Sensor,”

2023 IEE-Japan Industry Applications Society Conference, 2023

Keisuke Sakai, Wataru Ohnishi, Takafumi Koseki:

“Energy-Saving Optimization of Speed Profile of an Electric Train Considering Jerk Upper Limit by Parallel Dynamic Programming,”

30th Jointed Railway Technology Symposium (J-RAIL2023), 2023

Shota Miyoshi, Wataru Ohnishi, Takafumi Koseki:

“Speed profile planning for train stopping motion in the shortest time considering ride comfort and braking performance under position-depending speed limits,”

International Conference on Rail Transportation (RAILWAYS 2022), 2022

Nipun Pande, Wataru Ohnishi, Takafumi Koseki:

“Efficient utilization of regenerative braking energy in bilateral co-phase systems,”

International Conference on Rail Transportation (RAILWAYS 2022), 2022

Nipun Pande, Wataru Ohnishi, Takafumi Koseki:

“Feasibility of adopting bilateral co-phase traction network in single phase 25 kV AC traction system,”

48th Annual Conference of the IEEE Industrial Electronics Society, 2022

Xuanlang Meng, Takafumi Koseki, Wataru Ohnishi:

“Design method for energy-efficient train operation based on the fast neighborhood search using numerical models with low and high fidelities,”

VT-22-016, TER-22-071, 2022

上野 爽, 大西 亘, 古関 隆章:

“摩擦変動を高速模擬する小型軌条輪装置を用いた鉄道車両制御技術試験のための模擬走行環境の提案,”

TER-23-011, LD-23-011, 2023

Kensuke Nagai, Wataru Ohnishi, Takafumi Koseki:

“A proposal of a virtual balise for train localization by on-board sensor fusion,”

TER-23-018, LD-23-018, 2023

Keisuke Sakai, Wataru Ohnishi, Takafumi Koseki, Kazuhiro Tanaka, Shunji Morita, Katsutoshi Tokuhara, Koki Kasai:

“Proposal of train control to mitigate delay propagation to the following express train based on communication-based continuous acquisition of train location,”

TER-23-020, LD-23-020, 2023

Keisuke Sakai, Wataru Ohnishi, Takafumi Koseki, Kazuhiro Tanaka, Shunji Morita, Katsutoshi Tokuhara, Koki Kasai:

“Analysis of the effect of block division for delay propagation mitigating control based on communication-based continuous train position,”

2022 IEE-Japan Industry Applications Society Conference, 2022

Keisuke Sakai, Wataru Ohnishi, Takafumi Koseki:

“Verification of Fast Calculation of Energy-Saving Speed Profile by Parallel Dynamic Programming,”

29th Jointed Railway Technology Symposium (J-RAIL2022), 2022

Shota Miyoshi, Wataru Ohnishi, Takafumi Koseki:

“Constant jerk oriented train trajectory generation for minimum time considering ride confort and position dependent speed and acceleration constraints,”

29th Jointed Railway Technology Symposium (J-RAIL2022), 2022

Shota Miyoshi, Wataru Ohnishi, Takafumi Koseki:

“Compensation of time and amplitude discretization by applying feedback modulator for motion control of electric railway,”

International Symposium on Industrial Electronics, Vol. 30, Jun. 2021

Keisuke Sakai, Wataru Ohnishi, Takafumi Koseki, Kazuhiro Tanaka, Shunji Morita, Katsutoshi Tokuhara, Koki Kasai:

“Running trajectory optimization to mitigate delay propagation in highly frequent train service based on continuous train position acquisition,”

The 30th International Symposium on Industrial Electronics (ISIE2021), Jun. 2021

Varsha Singh, Wataru Ohnishi, Takafumi Koseki:

“Interaction of Traction Substations in Phase Shift Technique Based Traction Power Supply Network,”

2021 4th Asia Conference on Energy and Electrical Engineering (ACEEE 2021), Sep. 2021, pp. 19-23

三好 正太, 大西 亘, 古関 隆章:

“車両駆動における離散ノッチの影響を緩和するフィードバック変調器の列車定位置停止制御への応用,”

TER-21-056, 2021

上野 爽, 大西 亘, 古関 隆章:

“利用者から信頼される旅客行動属性を考慮した都市鉄道の個別案内システムの提案,”

TER-21-057, 2021

Xuanlang Meng, Takafumi Koseki:

“Proposal of fast calculation of energy-saving train run curve based on surrogate method,”

TER-22-012, 2022

D. Akebi, H. Taniguchi, K. Kondo, T. Koseki, M. Miyatake:

“Less Peak Power and Equally Energy Recuperative Speed-Regenerative Brake Characteristics of Induction Motor for Railway Vehicle Traction System,”

MD-20-120, RM-20-113, LD-20-063, pp. 63-66, 2020

T. Koseki, T. Mizuma, K. Funayama, H. Hosokawa, T. Wajima, E. Isobe:

“Technical studies on driverless automatic train operation at Japan Subway Association,”

ITS-20-031, TER-20-086, pp. 26-31, 2020

S. Watanabe, T. Koseki, Y. Oka, Y. Sato, E. Isobe:

“Analysis of Energy-Saving Effects by Linked Self-steering Bogie in a Sharp-Curve Section in Linear Metro,”

TER-21-032, MSS-21-025, 2021

Keisuke Sakai, Wataru Ohnishi, Takafumi Koseki, Kazuhiro Tanaka, Shunji Morita, Katsutoshi Tokuhara, Koki Kasai:

“Delay propagation mitigating train control method based on communication-based continuous train position and departure prediction of the preceding train,”

TER-21-011, LD-21-011, pp. 61-66, 2021

Varsha Singh, Takafumi Koseki:

“Global criteria for power quality issues in single-phase railway traction focusing on unbalance in three-phase side,”

TER-20-078, ITS-20-023, 2020

Shikha Saini, Takafumi Koseki:

“Numerical analysis to evaluate adhesion estimation-based control strategy over the conventional method used for wheel slip control in Indian Railways,”

TER-21-013, LD-21-013, 2021

坂井 桂祐, 大西 亘, 古関 隆章, 田中 和広, 森田 隼史, 徳原 克俊, 葛西 光希:

“無線による連続位置情報に基づき遅延伝搬を抑制する列車制御法の数値的評価,”

第27回鉄道技術・政策連合シンポジウム (J-RAIL2020), 2020

Takafumi Koseki:

“Technical trend in automatic train operation,”

IEEJ Magazine, Vol. 140, No. 5, pp. 303-306, 2020

Takafumi Koseki:

“Technical trend in automatic train operation: Driverless train operation in our new life style,”

Journal of JREA, Vol. 63, No. 12, pp. 66-69, 2020

Takafumi Koseki:

“Advantages and problems in linear motors applied to rail-guided public transports,”

Electrixal review, Vol. 105, No. 5, pp. 16-21, 2020

Shota Miyoshi, Takafumi Koseki, Shoichiro Watanabe, Eisuke Isobe, Jun Kawashita:

“Energy-saving automatic train operation by increasing acceleration of linear motor railway systems and evaluation of its effect,”

IEEJ Transactions on Industry Applications, Vol. 140, No. 5, pp. 387-395, 2020

Warayut Kampeerawat, Takafumi Koseki:

“Integrated Design of Smart Train Scheduling, Use of Onboard Energy Storage, and Traction Power Management for Energy-Saving Urban Railway Operation,”

IEEJ Journal on Industry Applications, Vol. 8, No. 6, 2019

Warayut Kampeerawat, Takafumi Koseki:

“Efficient Urban Railway Design Integrating Train Scheduling, Wayside Energy Storage, and Traction Power Management,”

IEEJ Journal on Industry Applications, Vol. 8, No. 6, 2019

Warayut Kampeerawat, Takafumi Koseki:

“Optimization of train control and operation with the application of energy storage by integrated design approach considering traffic variation and the effect of pantograph voltage,”

Journal of Modern Transportation

Keisuke Sakai, Wataru Ohnishi, Takafumi Koseki, Kazuhiro Tanaka, Shunji Morita, Katsutoshi Tokuhara:

“Optimal tracking control to the preceding train to suppress delay propagation in a highly frequent service,”

TER-20-027, LD-20-027, pp. 7-12, 2020

三好 正太, 古関 隆章, 水間 毅, 渡邉 翔一郎, 磯部 栄介:

“列車加速度性能向上による省エネルギー自動列車運転と路線全体の省エネルギー戦略策定法,”

鉄道技術連合シンポジウム(J-RAIL), 2019

Warayut Kampeerawat, Fulin Zhou, Takafumi Koseki:

“Efficient Urban Railway Design integrating Train Scheduling, Onboard Energy Storage, and Traction Power Management,”

2018 International Power Electronics Conference (IPEC), Niigata, Japan, May 2018

三好 正太, 古関 隆章, 渡邉 翔一郎, 磯部 栄介:

“電気鉄道の省エネルギー運転手法の評価に有用な駅間走行時分と消費電力量の実測値の可視化,”

TER-18-062, pp. 1-6, 2018

清水 龍, 古関 隆章, 渡邉 翔一郎:

“列車出発時間の調整による電力ピークカット手法の饋電回路を考慮した傾向分析,”

TER-18-084, ITS-18-027, pp. 17-20, 2018

清水 龍, 古関 隆章:

“き電回路計算を用いたリアルタイムな列車力行電力の制限による鉄道用変電所の電力ピークカット手法,”

TER-19-003, MSS-19-003, pp. 7-12, 2019

米田 琢見, 大西 亘, 古関 隆章:

“都市鉄道の列車遅延発生時における時間差乗車の積極的案内の提案とその効果の検証,”

TER-19-003, 2019

三好 正太, 古関 隆章, 磯部 栄介, 川下 潤:

“リニア駆動鉄道の加速度向上による省エネルギー自動運転の性能評価,”

鉄道サイバネ・シンポジウム, 55, 2018

三好 正太, 米田 琢見, 武田 広大, 大西 亘:

“鉄道の未来を拓く―公益財団法人鉄道総合技術研究所―,”

電気学会誌, Vol. 138, No. 11, pp. 724-727, 2018

渡邉 翔一郎, 佐藤 安弘, 古関 隆章, 水間 毅, 田中 龍治, 宮路 佳浩, 磯部 栄介:

“自動列車運転装置を用いた省エネルギー運転制御手法の実証試験,”

電気学会論文誌D, Vol. 137, No. 12, pp. 924-933, 2017

Warayut Kampeerawat, Takafumi Koseki:

“A strategy for utilization of regenerative energy in urban railway system by application of smart train scheduling and wayside energy storage system,”

2017 International Conference on Alternative Energy in Developing Countries and Emerging Economies (AEDCEE-2017), (published in Energy Procedia Vol. 138), 2017, pp. 795-800

Warayut Kampeerawat, Takafumi Koseki:

“Integrated Design of Train Scheduling and Wayside Energy Storage for Energy-Saving Urban Railway Operation - A Case Study of Bangkok Rapid Transit System,”

TER-17-069, ITS-17-043, 2017

粟木 一輝, 古関 隆章:

“高頻度運転区間に最小の設備増強で優等列車を効果的に導入する利便性向上策の提案,”

TER-17-053, pp. 33-37, 2017

粟木 一輝, 古関 隆章:

“混合整数計画法に基づくグラフの最小費用流求解による列車待避を考慮した高頻度運転区間の効率的設備増強策,”

TER-18-039, PHS-18-014, 2018

三好 正太, 古関 隆章, 磯部 栄介, 川下 潤:

“リニア駆動鉄道の加速度向上による省エネルギー自動運転の性能評価,”

TER-18-029, PHS-18-004, pp. 21-26, 2018

粟木 一輝, 古関 隆章:

“最小の設備増強で優等列車の効果的導入を図る都市鉄道利便性向上策,”

第 24 回鉄道技術・政策連合シンポジウム（J-RAIL 2017), S9-9, 2017

Warayut Kampeerawat, Takafumi Koseki:

“Integrated Design of Train Scheduling and Onboard Energy Storage for Effective Power Management in Urban Railway,”

NU-Rail 2018., 2018

粟木 一輝:

“経済的設備増強で優等列車の効果的導入を図る利便性の高い都市鉄道設計法,”

NU-Rail 2018., 2018

三好 正太, 古関 隆章:

“リニアメトロの加速度向上による省エネルギー自動運転,”

NU-Rail 2018., 2018

渡邉 翔一郎, 古関 隆章, 野田 慶親, 宮武 昌史:

“リニア駆動鉄道の最適省エネルギー運転曲線,”

電気学会論文誌D, Vol. 137, No. 1, pp. 44-52, 2017

渡邉 翔一郎, 古関 隆章, 田中 龍治, 磯部 栄介:

“自動列車運転装置を用いた省エネルギー運転制御手法の実証試験,”

TER-16-070, ITS-16-049, pp. 35-40, 2016

美浦 健, 渡邉 翔一郎, 古関 隆章:

“快速列車導入時のエネルギー評価と旅客総旅行時間最適化の持つ意味,”

TER-16-035, pp. 71-76, 2016

渡邉 翔一郎, 宮武 昌史, 高木 亮, 小川 知行:

“運転方法の工夫による直流電気鉄道車両の消費電力量変化の実態把握,”

平成28年電気学会産業応用部門大会, 5-S1-5, 2016

渡邉 翔一郎, Van-Duc Doan, 古関 隆章, 松浦 豪, 宮武 昌史:

“電気鉄道車両の消費電力量を最小化する運転曲線数理最適化手法の比較分析,”

平成28年電気学会全国大会,C205-B1, 5-194, 2016

渡邉 翔一郎, 古関 隆章, 磯部 栄介:

“リニア駆動鉄道の電力変換効率測定による省エネルギー運転手法の効果の推定,”

平成28年電気学会産業応用部門大会, 5-37, 2016

美浦 健, Van-Duc Doan, 渡邉 翔一郎, 古関 隆章:

“急勾配区間の速度制限を考慮したリニア駆動電気鉄道の省エネルギー運転手法,”

電気学会第23回鉄道技術連合シンポジウム, S9-9, pp.337-340, 2016

古関 隆章:

“リニアモータを応用した交通システム,”

月刊 電気計算, Vol. 85, No. 3, pp. 30-35, 2016

渡邉 翔一郎, 近藤 健一, 松岡 絢香, 宮武 昌史, 野田 慶親:

“次世代半導体SiC いよいよ実用化,”

電気学会誌, Vol. 135, No. 10, pp. 676-679, 2015

古関 隆章:

“高速鉄道の方向性,”

運輸と経済, Vol. 74, No. 2, pp. 141-144, 2014

古関 隆章:

“-市民の視点からの鉄道の安全利用促進の試み-公共交通のプレーヤとしての旅客と市民の行動の重要性-,”

JREA, Vol. 54, No. 6, pp. 35994-35997, 2011

古関 隆章:

“解説「鉄道車両-リニア誘導主電動機国際規格 -- 日本提案の鉄道関連国際規格 IEC/TC9/PT62520 の発行までの歩み」,”

JREA, Vol. 54, No. 7, pp. 36118-36120, 2011

古関 隆章:

“都市と地域システムの脆弱性と強靱性：東日本大震災を踏まえて 交通ネットワークに見る脆弱性と頑健性（Vulnerability in Cities),”

都市計画, Vol. 60, No. 4, pp. 22-25, 2011

古関 隆章:

“電気鉄道のエネルギーマネージメントの考え方について ?- 震災後に何が変わり何は不変か？（特集 震災と鉄道の復興）,”

鉄道車両と技術, Vol. 17, No. 7, pp. 21-26, 2011

金子 慎, 古関 隆章, 竹内 建蔵, 家田 仁:

“座談会「リニア中央新幹線とは何なのか？ 期待と展望（特集 国土の特性と新幹線ネットワークの拡大）」,”

運輸と経済, 2011

古関 隆章:

“リニアモータカー：JR マグレブのほかに開発されているさまざまなリニア式鉄道（＜特集＞みんなを運ぶ-新しい地上交通-）,”

日本機械学会誌, Vol. 115, No. 1118, pp. 16-19, 2012

古関 隆章:

“鉄道技術ポケットブック,”

オーム社(編集委員長として編集全体の取りまとめ), 2012

古関 隆章:

“総論,”

電気学会誌, Vol. 130, No. 8, pp. 524-525, 2010

古関 隆章:

“LRT と公共交通・都市交通についての課題,”

鉄道車両と技術, No. 171, pp. 2-7, 2010

古関 隆章:

“「電気車両駆動：鉄道と道路走行用車両のための電気機械―変換器で電力供給する短一次形リニア誘導モータ」に関する国際規格文書審議状況,”

鉄道車両と技術, No. 139, pp. 31-39, 2007

野崎 雄一郎, 鈴木 武海, 藤井 康正, 大熊 栄一:

“燃料電池電車走る!! (十見百聞),”

電気学会誌, Vol. 127, No. 7, 2007

古関 隆章:

“次世代地下鉄システム研究委員会報告書について,”

日本地下鉄協会報, No. 142, pp. 23-60, 2003

古関 隆章:

“これからの電気鉄道技術,”

鉄道と電気技術, Vol. 14, No. 11, pp. 3-8, 2003

古関 隆章:

“21世紀の交通システムと電気系の技術,”

三菱電機技報, Vol. 77, No. 11, pp. 1, 2003

古関 隆章:

“ドライバレス運転の可能性と課題,”

鉄道車両と技術, No. 86, pp. 2-9, 2003

古関 隆章:

“パワエレの新しい電動力応用,”

月刊オーム, 2003

古関 隆章:

“鉄道車両の純電気ブレーキシステムとは、－その駆動性能、環境親和性、省エネ･保守･動力費など運転コスト削減効果,”

月刊オーム, 2003

古関 隆章:

“鉄道輸送力の改善と整備,”

鉄道と電気技術, Vol. 12, No. 4, pp. 3-8, 2001

古関 隆章:

“海外における磁気浮上技術鉄道開発と実用化動向,”

電気学会誌, Vol. 121, No. 10, pp. 694-697, 2001

古関 隆章:

“ヨーロッパ高速鉄道網を補完する高速磁気浮上鉄道 スイスメトロ開発の現状,”

月刊オーム, 2000

鈴木 高志, 古関 隆章:

“風に耳を澄ます 大型低騒音風洞 －鉄道総研 米原風洞技術センターを訪ねて－,”

電気学会誌, Vol. 121, No. 5, pp. 298-301, 2001