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 (IECON, 2013)

Dual rate Kalman filter considering delayed measurement and its application in visual servo. - Binh Minh Nguyen; Wataru Ohnishi; Yafei Wang 002; Hiroshi Fujimoto; Yoichi Hori; Kiyoto Ito; Masaki Odai; Hironori Ogawa; Erii Takano; Tomohiro Inoue; Masahiro Koyama (AMC, 2014)

Design and control of 6-DOF high-precision scan stage with gravity canceller. - Wataru Ohnishi; Hiroshi Fujimoto; Koichi Sakata; Kazuhiro Suzuki; Kazuaki Saiki (ACC, 2014)

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 (ACC, 2015)

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 (ICM, 2015)

Multirate feedforward control with state trajectory generation based on time axis reversal for plant with continuous time unstable zeros. - Wataru Ohnishi; Hiroshi Fujimoto (AIM, 2016)

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 (AMC, 2016)

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 (CDC, 2016)

Trajectory tracking control for pneumatic actuated scan stage with time delay compensation. - Wataru Ohnishi; Hiroshi Fujimoto; Koichi Sakata; Atsushi Hara; Kazuaki Saiki (IECON, 2016)

Moving coil type wireless linear motor based on magnetic resonance coupling. - Yuma Yazaki; Takurou Nishimura; Wataru Ohnishi; Takehiro Imura; Hiroshi Fujimoto (IECON, 2017)

Finite Time Optimal Preactuation for Non-Minimum Phase Systems Considering Control Input and Tracking Error Constraints. - Wataru Ohnishi; Thomas Beauduin; Hiroshi Fujimoto (CCTA, 2018)

Multirate Feedforward Control Based on Modal Form. - Wataru Ohnishi; Hiroshi Fujimoto (CCTA, 2018)

Optimal State Trajectory Regeneration for Nonminimum Phase Systems: No Preactuation Approach. - Wataru Ohnishi; Thomas Beauduin; Hiroshi Fujimoto (IECON, 2018)

Development of Multi-Axis High-Precision Stage Using Multistep Wireless Power Transfer. - Yuma Yazaki; Wataru Ohnishi; Takehiro Imura; Hiroshi Fujimoto; Koichi Sakata; Atsushi Hara; Zhaoxiang Chen; Kazuhiro Yokovama; Kazuhiro Suzuki (IECON, 2018)

State Trajectory Generation for MIMO Multirate Feedforward using Singular Value Decomposition and Time Axis Reversal. - Masahiro Mae; Wataru Ohnishi; Hiroshi Fujimoto (ACC, 2019)

System Inversion for Sampled-Data Feedforward Control: Balancing On-Sample and Intersample Behavior. - Jurgen van Zundert; Wataru Ohnishi; Hiroshi Fujimoto; Tom Oomen (ACC, 2019)

Frequency response data based disturbance observer design applicable to non-minimum phase systems. - Xiaoke Wang; Wataru Ohnishi; Takafumi Koseki (SICE, 2019)

Controller design of mass flow rate loop for high-precision pneumatic actuator. - Yui Shirato; Wataru Ohnishi; Hiroshi Fujimoto; Takafumi Koseki; Yoichi Hori (AMC, 2020)

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 (AMC, 2021)

Data-based simultaneous design of plant model and robust filter in disturbance observer. - Xiaoke Wang; Wataru Ohnishi; Takafumi Koseki (ACC, 2021)

Control- Relevant Neural Networks for Intelligent Motion Feedforward. - Leontine Aarnoudse; Wataru Ohnishi; Maurice Poot; Paul Tacx; Nard Strijbosch; Tom Oomen (ICM, 2021)

Multirate Feedforward Control based on Modal Form with Mode Selection Applied to Multi-Modal High-Precision Positioning Stage. - Masahiro Mae; Wataru Ohnishi; Hiroshi Fujimoto (ICM, 2021)

Multirate State Tracking for Improving Intersample Behavior in Iterative Learning Control. - Wataru Ohnishi; Nard Strijbosch; Tom Oomen (ICM, 2021)

Study of Unbalance Reduction in 25kV AC Traction System by Different Transformer Configurations. - Varsha Singh; Wataru Ohnishi; Takafumi Koseki (ISGT Asia, 2021)

Compensation of time and amplitude discretization by applying feedback modulator for motion control of electric railway. - Shota Miyoshi; Wataru Ohnishi; Takafumi Koseki (ISIE, 2021)

Running trajectory optimization to mitigate delay propagation in highly frequent train service based on continuous train position acquisition. - Keisuke Sakai; Wataru Ohnishi; Takafumi Koseki; Kazuhiro Tanaka; Shunji Morita; Katsutoshi Tokuhara; Koki Kasai (ISIE, 2021)

Design of loop shaping filters based on convex optimization guaranteeing robust performance. - Xiaoke Wang; Wataru Ohnishi; Takenori Atsumi (AIM, 2022)

Feedforward of Sampled-Data System for High-Precision Motion Control using Basis Functions with ZOH Differentiator. - Masahiro Mae; Max van Haren; Wataru Ohnishi; Tom Oomen; Hiroshi Fujimoto (ACC, 2022)

Perfect tracking control of output voltage based on noncausal nonlinear stable inversion for boost converters. - Shota Miyoshi; Wataru Ohnishi; Takafumi Koseki; Motoki Sato (ACC, 2022)

A non-causal approach for suppressing the estimation delay of state observer. - Kentaro Tsurumoto; Wataru Ohnishi; Takafumi Koseki; Nard Strijbosch; Tom Oomen (ACC, 2022)

Robust controller design based on convex optimization and RCBode plots using frequency response data: Application to hard disk drive systems. - Xiaoke Wang; Wataru Ohnishi; Takenori Atsumi (ACC, 2022)

Feasibility of adopting bilateral co-phase traction network in single phase 25 kV AC traction system. - Nipun Pande; Wataru Ohnishi; Takafumi Koseki (IECON, 2022)

Improved Intersample Behaviour of Non-Minimum Phase Systems using State-Tracking Iterative Learning Control. - Liang Oei; Kentaro Tsurumoto; Wataru Ohnishi (ICM, 2023)

Time-Optimal Temperature Control via Binary Search in Semiconductor Vertical Furnace. - Christian Milleneuve Budiono; Wataru Ohnishi; Takafumi Koseki; Akira Hirata; Ryosuke Shibatsuji; Tatsuya Yamaguchi (IECON, 2023)

Vibration Suppression Feedforward Control Using Active Mass Damper for Stacker Crane. - Kiyotaka Hamanaka; Wataru Ohnishi; Takafumi Koseki; Mitsuki Asai; Koji Yoshihara; Masamichi Nawa; Norihiko Kato (AIM, 2024)

Compensation of Pressure Dependent Disturbance: Poppet Position Control in a Pneumatic Valve. - Koki Hattori; Wataru Ohnishi; Takafumi Koseki (AIM, 2024)

Velocity and acceleration estimation via quantization step aware convex optimization: real-time implementation on FPGA. - Kosuke Numata; Wataru Ohnishi; Takafumi Koseki; Yusuke Nomura; Adiyasuren Altanbileg; Shuji Takada (AIM, 2024)

State Variable Dependent Disturbances Compensation Using Gaussian Process Regression: With Application to Core-type Linear Motor. - Reon Sasaki; Wataru Ohnishi; Takafumi Koseki; Koichi Sakata; Pai-Hsueh Yang; Gaurav Keswani; Houng-Joong Kim (AIM, 2024)

Mass Flow Rate Control with Compensation of Nonlinearity using Valve Internal Variables. - Koki Hattori; Wataru Ohnishi; Takafumi Koseki (AMC, 2024)

Estimation of Higher-Order State Variables by Polynomial Approximation Considering Quantization Step Size of Encoder and the Implementation on FPGA. - Kosuke Numata; Wataru Ohnishi; Takafumi Koseki; Yusuke Nomura; Adiyasuren Altanbileg; Shuji Takada (AMC, 2024)

Combined Time-Domain Optimization Design for Task-Flexible and High Performance ILC. - Kentaro Tsurumoto; Wataru Ohnishi; Takafumi Koseki; Max van Haren; Tom Oomen (ECC, 2024)

Active Control of Pyrofuse in Circuit Breaker with State Estimation of Current-Limiting Fuse. - Taichi Nakano; Reon Sasaki; Wataru Ohnishi; Yasushi Yamano; Yuki Inada (IECON, 2024)

Optimized Sequence Control of a Fuse-Semiconductor Hybrid Circuit Breaker through Real-Time Fuse State Estimation. - Songah Shin; Reon Sasaki; Yusuke Nakano; Naoto Kodama; Shungo Zen; Yasushi Yamano; Yuki Inada; Wataru Ohnishi (IECON, 2024)

A frequency-domain approach for enhanced performance and task flexibility in finite-time ILC. - Max van Haren; Kentaro Tsurumoto; Masahiro Mae; Lennart Blanken; Wataru Ohnishi; Tom Oomen (Eur. J. Control, 2024)

Control-relevant neural networks for feedforward control with preview: Applied to an industrial flatbed printer. - Leontine Aarnoudse; Johan Kon; Wataru Ohnishi; Maurice Poot; Paul Tacx; Nard Strijbosch; Tom Oomen (IFAC J. Syst. Control., 2024)

Quick Response Valve for Active Control of Pneumatic Vibration Isolation Tables. - Kazuki Goto; Koki Hattori; Kohei Hashimoto; Ichiro Kishimoto; Takafumi Koseki; Wataru Ohnishi (ICM, 2025)

Modeling of Airflow Disturbance Force and Feedforward Controller Design in Pneumatic Valves. - Koki Hattori; Wataru Ohnishi; Takafumi Koseki (ICM, 2025)

Drive Stabilization of Multi-Degree-of-Freedom Maglev Planar Motor Based on Closed Loop System Identification. - Keigo Nakata; Wataru Ohnishi; Takafumi Koseki; Yuichiro Nakamura; Kenji Takahashi; Hiroyuki Sekiguchi (ICM, 2025)

FPGA Implementation of Velocity Estimation Method Using Chebyshev Expansion. - Kosuke Numata; Takafumi Koseki; Yusuke Nomura; Adiyasuren Altanbileg; Shuji Takada; Wataru Ohnishi (ICM, 2025)

Real-Time Tuning of Transformation Matrices for Decoupling Control in Dual-Drive Stage Systems Using Gaussian Process. - Reon Sasaki; Naoki Akima; Gimpei Ito; Hiroshi Fujiwara; Hisashi Ooto; Wataru Ohnishi (ICM, 2025)

On Analysis of Applying Iterative Learning Control to a Closed-Loop Three-Phase Linear Stepper-Motor. - Kentaro Tsurumoto; Wataru Ohnishi; Yoshihito Hara; Atsushi Kenjo; Yoneta Tanaka (ICM, 2025)