Koseki-Ohnishi Laboratory

Kodai Takeda, Takafumi Koseki:

“Visual Map of Power Transmission of Magnetically Coupled Wireless Power Transfer System Based on Independent Analysis of Transmitter and Receiver Sides,”

IEEJ Transactions on Industry Applications, Vol. 141, No. 4, pp. 330-338, 2021

Shungo Zen, Yuki Inada, Wataru Ohnishi, Yusuke Fukai, Naoki Takayasu, Mitsuaki Maeyama, Yasushi Yamano:

“Prototype Current-Limiting Hybrid DC Circuit Breaker Incorporating a Fuse and a Semiconductor Device,”

IEEE Transactions on Power Delivery (Early Access)

Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto, Yoichi Hori:

“Perfect Tracking Control Considering Generalized Controllability Indices and Application for High-Precision Stage in Translation and Pitching,”

IEEJ Journal of Industry Applications, Vol. 8, No. 2, pp. 263-270, 2019

Wataru Ohnishi, Hiroshi Fujimoto, Koichi Sakata, Kazuhiro Suzuki:

“Decoupling Control for High-Precision Positioning Stages by the Center of Rotation and Gravity Hybrid-Driven Method Utilizing Additional Actuators,”

IEEJ Transactions on Industry Applications, Vol. 139, No. 5, pp. 480-487, 2019

Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto:

“MIMO Multirate Feedforward Controller Design with Selection of Input Multiplicities and Intersample Behavior Analysis,”

Mechatronics, Vol. 71, 2020

Xiaoke Wang, Wataru Ohnishi, Takafumi Koseki:

“Bandwidth Maximization of Disturbance Observer Based on Experimental Frequency Response Data,”

SICE Journal of Control, Measurement, and System Integration, Vol. 13, No. 6, pp. 257-264, 2020

Yui Shirato, Wataru Ohnishi, Takafumi Koseki, Hiroshi Fujimoto:

“Two-Degree-of-Freedom Flow Rate Control for Pneumatic Valves using Fast Response Flow Meter,”

IEEJ Journal of Industry Applications, Vol. 10, No. 2, pp. 192-199, 2021

Kodai Takeda, Takafumi Koseki:

“Geometrical Circuit Design for Dynamic Wireless Power Transfer to Suppress Power Fluctuation to Coupling Variation,”

IECON2020, Singapore, Oct. 2020

Kodai Takeda, Takafumi Koseki, Takehiro Imura, Toshiyuki Fujita, Yusuke Minagawa:

“Visualized Evaluation of Feasibility of Power Transmission with Electrical Constraints in Wireless Power Transfer,”

WoW2020, Korea, Nov. 2020

Shota Miyoshi, Wataru Ohnishi, Takafumi Koseki, Motoki Sato:

“Modied preactuation tracking control for LPV systems with application to boost converters,”

IFAC World congress, Vol. 21, Jul. 2020

Takaaki Hayashi, Wataru Ohnishi, Takafumi Koseki, Yasuhiro Minoura, Koji Yoshihara, Masamichi Nawa:

“Tip Vibration Suppression of a Flexible Lightweight Robot by Fixed Structure H∞ Control Using Acceleration Feedback,”

IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization (SAMCON2021), Chiba, Japan, Mar. 2021

Xiaoke Wang, Wataru Ohnishi, Takafumi Koseki:

“A summary of disturbance observer design methodology for non-minimum phase system,”

samcon2021, Mar. 2021

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

Kodai Takeda, Toshiyuki Fujita, Takehiro Imura, Yusuke Minagawa, Takafumi Koseki:

“Evaluation of Interoperability and Visualization of Power Transmission Characteristics of Wireless Power Transfer with Practical Constraints for EV,”

2020 JSAE Annual Congress (Spring), 2020

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