大西 亘

Multirate feedforward control with mode decomposition for intersample performance in multivariable motion systems
Masahiro Mae,Wataru Ohnishi,Hiroshi Fujimoto
Control Engineering Practice 141(105694) 2023年12月 [査読有り]

Train trajectory generation method to mitigate delay propagation based on continuous train position acquisition
Keisuke Sakai,Wataru Ohnishi,Takafumi Koseki,Kazuhiro Tanaka,Shunji Morita,Katsutoshi Tokuhara,Koki Kasai
IEEJ Journal of Industry Applications 12(5) 2023年09月 [査読有り]

Systematic Filter Design by Convex Optimization for Disturbance Rejection in Dual-Stage Actuated Hard Disk Drives
Xiaoke Wang,Wataru Ohnishi,Takenori Atsumi
22nd IFAC World Congress 11384-11389 2023年07月 [査読有り]

Task Flexible and High Performance ILC: Preliminary Analysis of Combining a Basis Function and Frequency Domain Design Approach
Kentaro Tsurumoto,Wataru Ohnishi,Takafumi Koseki
22nd IFAC World Congress 2057-2062 2023年07月 [査読有り]

Frequency Response Data-Based Resonant Filter Design Considering Phase Stabilization and Stroke Limitation Applied to Dual-Stage Actuator Hard Disk Drives
Masahiro Mae,Wataru Ohnishi,Hiroshi Fujimoto
22nd IFAC World Congress 11390-11395 2023年07月 [査読有り]

遅延伝搬を抑制する次世代列車制御における閉塞分割効果
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
電気学会論文誌D 143(6) 447-454 2023年06月 [査読有り]

Proposal for Estimation of the Vertical Center of Gravity and the Decoupling Control with 2-DoF for a Maglev Linear Conveyor
Yueying Yang,Wataru Ohnishi,Takafumi Koseki
The 14th International Symposium on Linear Drivers for Industry Applications 2023年06月 [査読有り]

Practical numerical modeling approach for a design of a two-dimensional linear synchronous actuator
Noriaki Ito,Takafumi Koseki,Wataru Ohnishi,Yuichiro Nakamura,Kenji Takahashi,Hiroyuki Sekiguchi
The 14th International Symposium on Linear Drivers for Industry Applications 2023年06月 [査読有り]

A proposal for a personalized trustable guidance system for urban railways considering passenger behavior attributes
So Ueno,Wataru Ohnishi,Takafumi Koseki
The Japan Society of Mechanical Engineers TER-21-057(TER-21-057) 11-16 2023年04月 [査読有り]

Improved Intersample Behaviour of Non-Minimum Phase Systems using State-Tracking Iterative Learning Control
Liang Oei,Kentaro Tsurumoto,Wataru Ohnishi
IEEE International Conference on Mechatronics 2023年03月 [査読有り]

Review on Multirate Feedforward Control with Mode Decomposition for Intersample Performance in Multi-Modal Motion Systems
Masahiro Mae,Wataru Ohnishi,Hiroshi Fujimoto
9th IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization 2023年03月 [査読有り]

非因果的非線形フィードフォワードによる昇圧コンバータの出力電圧軌道精密追従制御法
三好正太,大西亘,古関隆章,佐藤基
電気学会論文誌D 143(3) 242-255 2023年03月 Boost converters are key components of DC power conversion used for electric mobility and renewable ... [査読有り]

Fast and precise temperature control for a semiconductor vertical furnace via heater-cooler integration
Wataru Ohnishi,Akira Hirata,Ryosuke Shibatsuji,Tatsuya Yamaguchi
IEEE Transactions on Semiconductor Manufacturing 36(2) 197-204 2023年01月 [査読有り]

State-Tracking Iterative Learning Control in Frequency Domain Design for Improved Intersample Behavior
Wataru Ohnishi,Nard Strijbosch,Tom Oomen
International Journal of Robust and Nonlinear Control 33(7) 4009-4027 2022年11月 [査読有り]

Neural Networks for Motion Feedforward: Control-Relevant Training and Non-Causality
Leontine Aarnoudse, Johan Kon, Wataru Ohnishi, Maurice Poot, Paul Tacx, Nard Strijbosch, Tom Oomen
Euspen Special Interest Group Meeting on Precision Motion Systems & Control 2022年11月 [査読有り]

Non-causal state estimation for improved state tracking in iterative learning control
Kentaro Tsurumoto,Wataru Ohnishi,Takafumi Koseki,Nard Strijbosch,Tom Oomen
Modeling, Estimation, and Control Conference 55(37) 7-12 2022年10月 State-tracking Iterative Learning Control (ILC) yields perfect state-tracking performance at each n ... [査読有り]

Feedforward with acceleration and snap using sampled-data differentiator for a multi-modal motion system
Masahiro Mae,Max van Haren,Wataru Ohnishi,Tom Oomen,Hiroshi Fujimoto
Modeling, Estimation, and Control Conference 2022年10月 [査読有り]

Feasibility of adopting bilateral co-phase traction network in single phase 25 kV AC traction system
Nipun Pande,Wataru Ohnishi,Takafumi Koseki
48th Annual Conference of the IEEE Industrial Electronics Society 2022年10月 [査読有り]

Efficient utilization of regenerative braking energy in bilateral co-phase systems
Nipun Pande,Wataru Ohnishi,Takafumi Koseki
International Conference on Rail Transportation 2022年08月 [査読有り]

Proof-of-Concept of a Fuse-Semiconductor Hybrid Circuit Breaker with a Fast Fuse Exchanger
Wataru Ohnishi,Yuki Inada,Shungo Zen,Reon Sasaki,Yasuhiro Takada,Yuta Miyaoka,Kosuke Tsukamoto,Yasushi Yamano
IEEE Transactions on Power Delivery 38(2) 937-946 2022年08月 [査読有り]

Design of loop shaping filters based on convex optimization guaranteeing robust performance
Xiaoke Wang,Wataru Ohnishi,Takenori Atsumi
IEEE/ASME International Conference on Advanced Intelligent Mechatronics 2022年07月 [査読有り]

Frequency Response Data-based Disturbance Observer Design: With Application to a Non-minimum Phase Motion Stage
Xiaoke Wang,Wataru Ohnishi,Takafumi Koseki
IEEE/ASME Transactions on Mechatronics 27(6) 5318-5326 2022年04月 Disturbance observer based control system, which utilizes estimated disturbance to compensate the in... [査読有り]

Improved state estimation by non-causal state observer
Kentaro Tsurumoto,Wataru Ohnishi,Takafumi Koseki,Nard Strijbosch,Tom Oomen
8th IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization 447-450 2022年03月 [査読有り]

Linear Matrix Inequality Based Data-driven Disturbance Observer Design: Application to a Non-Minimum Phase Motion Stage
Xiaoke Wang,Wataru Ohnishi,Takafumi Koseki
IEEJ Journal of Industry Applications 11(2) 334-340 2022年03月 Disturbance observers are widely used in the industrial field to mitigate the influence of disturban... [査読有り]

Effect of Dead Zone Compensation by Mass-Flow-Rate Twin Drive System with Anti-Windup for Pressure Control System
Yui Shirato,Wataru Ohnishi,Hiroshi Fujimoto,Yoichi Hori,Koichi,Sakata,Atsushi Hara
IEEJ Journal of Industry Applications 11(2) 299-307 2022年03月 [査読有り]

Frequency Response Data-based Multiple Peak Filter Design Applied to High-Precision Stage in Translation and Pitching
Masahiro Mae,Wataru Ohnishi,Hiroshi Fujimoto,Koichi Sakata
IEEE 17th International Conference on Advanced Motion Control 100-105 2022年02月 [査読有り]

Frequency response data-based peak filter design applied to MIMO large-scale high-precision scan stage
Masahiro Mae,Wataru Ohnishi,Hiroshi Fujimoto,Koichi Sakata,Atsushi Hara
Mechatronics 83(May) 2022年01月 [査読有り]

Study of Unbalance Reduction in 25kV AC Traction System by Different Transformer Configurations
Varsha Singh,Wataru Ohnishi,Takafumi Koseki
10th IEEE PES International Innovative Smart Grid Technologies Conference - Asia 2021年12月 Voltage unbalance of three-phase grid caused by the single-phase AC traction network is a significan... [査読有り]

Adhesion estimation-based heuristic approach for wheel slip control in electric locomotives
Shikha Saini,Wataru Ohnishi,Takafumi Koseki
STECH2021 2021年11月 [査読有り]

Interaction of Traction Substations in Phase Shift Technique Based Traction Power Supply Network
Varsha Singh,Wataru Ohnishi,Takafumi Koseki
4th Asia Conference on Energy and Electrical Engineering 2021年09月 [査読有り]

空気圧駆動システムのための流量ツインドライブシステムによるデッドゾーン補償法
白戸柚衣,大西亘,藤本博志,堀洋一,坂田晃一,原篤史
精密工学会誌 87(9) 759-764 2021年09月 [査読有り]

Compensation of time and amplitude discretization by applying feedback modulator for motion control of electric railway
Shota Miyoshi,Wataru Ohnishi,Takafumi Koseki
30th International Symposium on Industrial Electronics 2021年06月 A discrete control input system called notch is commonly used for motion control of a railway rollin... [査読有り]

Running trajectory optimization to mitigate delay propagation at highly frequent train service based on continuous train position acquisition
Keisuke Sakai,Wataru Ohnishi,Takafumi Koseki,Kazuhiro Tanaka,Shunji Morita,Katsutoshi Tokuhara,Koki Kasai
30th International Symposium on Industrial Electronics 2021年06月 In a highly frequent urban train service, mitigation of delay propagation due to excessive dwell tim... [査読有り]

Data-based simultaneous design of plant model and robustness filter in disturbance observer
XiaoKe Wang,Wataru Ohnishi and Takafumi Koseki
American Control Conference 2021年05月 [査読有り]

Tip Vibration Suppression of a Flexible Lightweight Robot by Fixed Structure H∞ Control Using Acceleration Feedback
Takaaki Hayashi,Wataru Ohnishi,Takafumi Koseki,Yasuhiro Minoura,Koji Yoshihara and Masamichi Nawa
IEEJ International Workshop on Sensing, Actuation, Motion Control, and Optimization 356-359 2021年03月 [査読有り]

Proposal of Anti-Windup Method of Twin Drive Mass-Flow-Rate Control for Pneumatic Driving System
Yui Shirato,Wataru Ohnishi,Hiroshi Fujimoto,Yoichi Hori,Koichi Sakata and Atsushi Hara
IEEJ International Workshop on Sensing, Actuation, Motion Control, and Optimization 226-231 2021年03月 [査読有り]

A Summary of Disturbance Observer Design Methodology for Non-Minimum Phase System
XiaoKe Wang,Wataru Ohnishi,Takafumi Koseki
IEEJ International Workshop on Sensing, Actuation, Motion Control, and Optimization 1-6 2021年03月 [査読有り]

Multirate Feedforward Control based on Modal Form with Mode Selection Applied to Multi-Modal High-Precision Positioning Stage
Masahiro Mae,Wataru Ohnishi,Hiroshi Fujimoto
IEEE International Conference on Mechatronics 2021年03月 [査読有り]

Multirate State Tracking for Improving Intersample Behavior in Iterative Learning Control
Wataru Ohnishi,Nard Strijbosch,Tom Oomen
IEEE International Conference on Mechatronics 2021年03月 [査読有り]

Control-Relevant Neural Networks for Intelligent Motion Feedforward
Leontine Aarnoudse,Wataru Ohnishi,Maurice Poot,Paul Tacx,Nard Strijbosch,Tom Oomen
IEEE International Conference on Mechatronics 2021年03月 [査読有り]

Two-Degree-of-Freedom Flow Rate Control for Pneumatic Valves using Fast Response Flow Meter
Yui Shirato,Wataru Ohnishi,Takafumi Koseki,Hiroshi Fujimoto
IEEJ Journal of Industry Applications 10(2) 192-199 2021年03月 [査読有り]

Interaction of Traction Substations in Phase Shift Technique Based Traction Power Supply Network
Varsha Singh, Wataru Ohnishi, Takafumi Koseki
4th Asia Conference on Energy and Environment Engineering 19-23 2021年02月 [査読有り]

Prototype Current-Limiting Hybrid DC Circuit Breaker Incorporating a Fuse and a Semiconductor Device
Shungo Zen,Yuki Inada,Wataru Ohnishi,Yusuke Fukai,Naoki Takayasu,Mitsuaki Maeyama,Yasushi Yamano
IEEE Transactions on Power Delivery 36(4) 2231-2233 2021年01月 [査読有り]

MIMO Multirate Feedforward Controller Design with Selection of Input Multiplicities and Intersample Behavior Analysis
Masahiro Mae,Wataru Ohnishi,Hiroshi Fujimoto
Mechatronics 71(November) 1-9 2020年11月 [査読有り]

Bandwidth Maximization of Disturbance Observer Based on Experimental Frequency Response Data
Xiaoke Wang,Wataru Ohnishi,Takafumi Koseki
SICE Journal of Control, Measurement, and System Integration 13(6) 257-264 2020年11月 [査読有り]

Frequency Response Data-Based Disturbance Observer Design Via Convex Optimization
Xiaoke Wang,Wataru Ohnishi,Takafumi Koseki
21st IFAC World Congress 2020年07月 [査読有り]

Modified Preactuation Tracking Control for LPV Systems with Application to Boost Converters
Shota Miyoshi,Wataru Ohnishi,Takafumi Koseki,Motoki Sato
21st IFAC World Congress 2020年07月 [査読有り]

Peak Filter Tuning Based on Disturbance Spectrum for MIMO High-Precision Scan Stage
Masahiro Mae,Wataru Ohnishi,Hiroshi Fujimoto,Koichi Sakata,Atsushi Hara
21st IFAC World Congress 2020年07月 [査読有り]

大型超精密位置決めステージのモデルベースト制御技術
大西亘,藤本博志,坂田晃一
電気学会論文誌D 140(4) 272-280 2020年04月 [査読有り]

Controller design of mass flow rate loop for high-precision pneumatic actuator
Yui Shirato,Wataru Ohnishi,Hiroshi Fujimoto,Takafumi Koseki,Yoichi Hori
IEEE 16th International Workshop on Advanced Motion Control 32-37 2020年04月 [査読有り]

Improving Intersample Behavior in Discrete-Time System Inversion: With Application to LTI and LPTV Systems
Jurgen van Zundert,Wataru Ohnishi,Hiroshi Fujimoto,Tom Oomen
IEEE/ASME Transactions on Mechatronics 25(1) 55-65 2020年02月 [査読有り]

Balancing on-sample and intersample behavior in sampled-data system inversion
Wataru Ohnishi,Jurgen van Zundert,Hiroshi Fujimoto,Tom Oomen
39th Benelux Meeting on Systems and Control 155-155 2020年01月 [査読有り]

A Train Group Control Method to Mitigate Peak Power Demand based on Numerical Calculations of DC-Electrification Circuit
Takafumi Koseki,Ryu Shimizu,Wataru Ohnishi
2nd International Railway Symposium Aachen 2019年11月 [査読有り]

駆動側と負荷側情報を有効に利用するフィードバック制御器の周波数応答データによる自動設計法
大西亘
電気学会論文誌D 139(11) 924-932 2019年11月 [査読有り]

Frequency response data based disturbance observer design applicable to non-minimum phase systems
Xiaoke Wang,Wataru Ohnishi,Takafumi Koseki
SICE Annual Conference 358-363 2019年09月 [査読有り]

Intersample Behavior Analysis of MIMO Multirate Feedforward Control depending on Selection of Input Multiplicities
Masahiro Mae,Wataru Ohnishi,Hiroshi Fujimoto
8th IFAC Symposium on Mechatronic Systems 566-571 2019年09月 [査読有り]

Data-based feedback controller tuning utilizing collocated and non-collocated sensors
Wataru Ohnishi
8th IFAC Symposium on Mechatronic Systems 560-565 2019年09月 [査読有り]

State Trajectory Generation for MIMO Multirate Feedforward using Singular Value Decomposition and Time Axis Reversal
Masahiro Mae,Wataru Ohnishi,Hiroshi Fujimoto
American Control Conference 5693-5698 2019年07月 [査読有り]

System Inversion for Sampled-Data Feedforward Control: Balancing On-Sample and Intersample Behavior
Jurgen van Zundert,Wataru Ohnishi,Hiroshi Fujimoto,Tom Oomen
American Control Conference 4472-4477 2019年07月 [査読有り]

Proposal of Simplified Transfer Function Model for Dynamic Rectified DC Voltage in DWPT
Kodai Takeda,Wataru Ohnishi,Takefumi Koseki
IEEE Wireless Power Transfer Conference (WPTC) 2019年06月 [査読有り]

冗長アクチュエータの自由度を活かした回転中心・重心点ハイブリッド駆動による精密位置決めステージの非干渉化制御法
大西亘,藤本博志,坂田晃一,鈴木一弘
電気学会論文誌D 139(5) 480-487 2019年05月 [査読有り]

Preactuated Multirate Feedforward Control for Independent Stable Inversion of Unstable Intrinsic and Discretization Zeros
Wataru Ohnishi,Thomas Beauduin,Hiroshi Fujimoto
IEEE/ASME Transactions on Mechatronics 24(2) 863-871 2019年04月 [査読有り]

Two-Degree-of-Freedom Control with Adaptive Dead Zone Compensation for Pneumatic Valves
Yui Shirato,Wataru Ohnishi,Takafumi Koseki
5th IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization 1-6 2019年03月 [査読有り]

Evaluation of Disturbance Caused by Cable Tension in Multi-axis High-Precision Stage using Wireless Power Transfer
Yuma Yazaki,Wataru Ohnishi,Takehiro Imura,Hiroshi Fujimoto,Koichi Sakata,Atsushi Hara,Zhaoxiang Chen,Kazuhiro Yokoyama,Kazuhiro Suzuki
5th IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization 1-6 2019年03月 [査読有り]

Precision tracking control by pneumatic actuator: challenges for input delay and acoustic vibrations
Wataru Ohnishi,Hiroshi Fujimoto
5th IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization 1-6 2019年03月 [査読有り]

Perfect Tracking Control Considering Generalized Controllability Indices and Application for High-Precision Stage in Translation and Pitching
Masahiro Mae,Wataru Ohnishi,Hiroshi Fujimoto,Yoichi Hori
IEEJ Journal of Industry Applications 8(2) 263-270 2019年03月 [査読有り]

Development of Multi-axis High-Precision Stage using Multistep Wireless Power Transfer
Yuma Yazaki,Wataru Ohnishi,Takehiro Imura,Hiroshi Fujimoto,Koichi Sakata,Atushi Hara,Zhaoxiang Chen,Kasuhiro Yokoyama,Kazuhiro Suzuki
44th Annual Conference of the IEEE Industrial Electronics Society 4799-4804 2018年10月 [査読有り]

Optimal State Trajectory Regeneration for Nonminimum Phase Systems: No Preactuation Approach
Wataru Ohnishi,Thomas Beauduin,Hiroshi Fujimoto
44th Annual Conference of the IEEE Industrial Electronics Society 4594-4599 2018年10月 [査読有り]

Multirate Feedforward Control Based on Modal Form
Wataru Ohnishi,Hiroshi Fujimoto
IEEE Conference on Control Technology and Applications 1120-1125 2018年08月 [査読有り]

Finite Time Optimal Preactuation for Non-Minimum Phase Systems Considering Control Input and Tracking Error Constraints
Wataru Ohnishi,Thomas Beauduin,Hiroshi Fujimoto
IEEE Conference on Control Technology and Applications 1114-1119 2018年08月 [査読有り]

Perfect Tracking Control of Dual-Input Dual-Output System for High-Precision Stage in Translation and Pitching Motion
Masahiro Mae,Wataru Ohnishi,Hiroshi Fujimoto,Yoichi Hori
The 4th IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization 1-6 2018年03月 [査読有り]

Review on multirate feedforward: model-inverse feedforward control for nonminimum phase systems
Wataru Ohnishi,Hiroshi Fujimoto
The 4th IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization 1-6 2018年03月 [査読有り]

Acoustic Wave Equation Based Modeling and Collocated Side Vibration Cancellation for Pneumatic Cylinder
Wataru Ohnishi,Hiroshi Fujimoto,Pai-Hsueh Yang,Ping-Wei Chang,Bausan Yuan,Koichi Sakata,Atsushi Hara
IEEJ Journal of Industry Applications 7(2) 109-116 2018年03月 [査読有り]

Moving Coil Type Wireless Linear Motor based on Magnetic Resonance Coupling
Yuma Yazaki,Takurou Nishimura,Wataru Ohnishi,Takehiro Imura,Hiroshi Fujimoto
43rd Annual Conference of the IEEE Industrial Electronics Society 7288-7293 2017年11月 [査読有り]

Preactuated multirate feedforward for a high-precision stage with continuous time unstable zeros
Wataru Ohnishi,Thomas Beauduin,Hiroshi Fujimoto
The 20th World Congress of the International Federation of Automatic Control 50(1) 10907-10912 2017年07月 [査読有り]

時間軸反転による状態変数軌道生成とマルチレートフィードフォワードを用いた完全追従制御法
大西亘,藤本博志
電気学会論文誌D 137(6) 469-477 2017年06月 [査読有り]

Wave Equation Based Modeling and Vibration Cancellation for Pneumatic Cylinder
Wataru Ohnishi,Hiroshi Fujimoto,Pai-Hsueh Yang,Ping-Wei Chang,Bausan Yuan,Koichi Sakata,Atsushi Hara
The 3rd IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization 1-6 2017年03月 [査読有り]

Tracking control method for a plant with continuous time unstable zeros: Finite preactuation based on state trajectory regeneration by using redundant order polynomial
Wataru Ohnishi,Hiroshi Fujimoto
55th IEEE Conference on Decision and Control 4015-4020 2016年12月 [査読有り]

Trajectory Tracking Control for Pneumatic Actuated Scan Stage with Time Delay Compensation
Wataru Ohnishi,Hiroshi Fujimoto,Koichi Sakata,Atsushi Hara,Kazuaki Saiki
42nd Annual Conference of the IEEE Industrial Electronics Society 5125-5130 2016年10月 [査読有り]

Multirate Feedforward Control with State Trajectory Generation based on Time Axis Reversal for Plant with Continuous Time Unstable Zeros
Wataru Ohnishi,Hiroshi Fujimoto
IEEE International Conference on Advanced Intelligent Mechatronics 689-694 2016年07月 [査読有り]

Decoupling Control by the Center of Rotation and Gravity Hybrid-Driven Method for High-Precision Scan Stage with Multiple Actuators
Wataru Ohnishi,Hiroshi Fujimoto,Koichi Sakata,Kazuhiro Suzuki,Kazuaki Saiki
The 14th International Workshop on Advanced Motion Control 2016年04月 [査読有り]

Decoupling Control Method for High-Precision Stages using Multiple Actuators considering the Misalignment among the Actuation Point, Center of Gravity, and Center of Rotation
Wataru Ohnishi,Hiroshi Fujimoto,Koichi Sakata,Kazuhiro Suzuki,Kazuaki Saiki
IEEJ Journal of Industry Applications 5(2) 141-147 2016年03月 [査読有り]

Integrated Design of Mechanism and Control for High-Precision Stages by the Interaction Index in the Direct Nyquist Array Method
Wataru Ohnishi,Hiroshi Fujimoto,Koichi Sakata,Kazuhiro Suzuki,Kazuaki Saiki
American Control Conference 2825-2830 2015年07月 [査読有り]

Feasible trajectory generation for a dual stage positioning system using a simplified model predictive control approach
Riccardo Antonello,Roberto Oboe,Stefano Bizzotto,Emanuele Siego,Yuma Yazaki,Wataru Ohnishi,Hiroshi Fujimoto
IEEE International Conference on Mechatronics 604-609 2015年03月 [査読有り]

Proposal of Decoupling Control Method for High-Precision Stages using Multiple Actuators considering the Misalignment among the Actuation Point, Center of Gravity, and Center of Rotation
Wataru Ohnishi,Hiroshi Fujimoto,Koichi Sakata,Kazuhiro Suzuki,Kazuaki Saiki
The 1st IEEJ International Workshop on Sensing, Actuation, and Motion Control 1-6 2015年03月 [査読有り]

Design and Control of 6-DOF High-Precision Scan Stage with Gravity Canceller
Wataru Ohnishi,Hiroshi Fujimoto,Koichi Sakata,Kazuhiro Suzuki,Kazuaki Saiki
American Control Conference 997-1002 2014年06月 [査読有り]

Dual Rate Kalman Filter Considering Delayed Measurement and Its Application in Visual Servo
Binh Minh Nguyen,Kiyoto Ito,Wataru Ohnishi,Yafei Wang,Hiroshi Fujimoto,Yoichi Hori,Masaki Odai,Hironori Ogawa,Erii Takano,Tomohiro Inoue,Masahiro Koyama
The 13th International Workshop on Advanced Motion Control 494-499 2014年03月 [査読有り]

超精密ステージにおけるオイラーの運動方程式と物体座標系の回転の非線形性と軸間干渉を補償した姿勢制御法
大西亘,藤本博志,堀洋一,坂田晃一,鈴木一弘,佐伯和明
電気学会論文誌D 134(3) 293-300 2014年03月 [査読有り]

Proposal of Attitude Control for High-Precision Stage by Compensating Nonlinearity and Coupling of Euler's Equation and Rotational Kinematics
Wataru Ohnishi,Hiroshi Fujimoto,Koichi Sakata,Kazuhiro Suzuki,Kazuaki Saiki
39th Annual Conference of the IEEE Industrial Electronics Society 6531-6536 2013年11月 [査読有り]