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Journal Articles (peer-reviewed)

  1. Yuki Inada, Shungo Zen, Wataru Ohnishi, Naoto Kodama, Yusuke Nakano, Yasuhiro Takada, Reon Sasaki, Yuta Miyaoka, Kosuke Tsukamoto, Keiya Yamada, Yasushi Yamano: Fault and Load Current Interruption in Low-Voltage System Using Fuse-Semiconductor Current-Limiting Circuit Breaker, IEEJ Transactions on Industry Applications, Vol. 144, No.6, 2024. (in Japanese)
  2. 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, IEEJ Transactions on Industry Applications, Vol. 144, No.6, 2024. (in Japanese)
  3. 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, 2024. (in Japanese)
  4. So Ueno, Wataru Ohnishi, Takafumi Koseki: Fundamental Measurement of Adhesion Characteristics of a Scaled Roller Rig Device to Emulate Fast Change of Adhesion for Evaluating Railway Traction Control Performance, IEEJ Transactions on Industry Applications, Vol. 144, No.5, 2024. (in Japanese)
  5. Shota Miyoshi, Wataru Ohnishi, Takafumi Koseki: Train Stopping Trajectory Design with Minimal Running Time Based on Constant Jerk Braking under Position-Dependent Speed and Acceleration Restrictions, IEEJ Transactions on Industry Applications, Vol. 144, No.4, 2024. (in Japanese)
  6. Nipun Pande, Wataru Ohnishi, Takafumi Koseki: Analysis of voltage unbalance and mitigation of circulating power in bilateral co-phase traction system, Electric Power Systems Research, Vol. 228, No.110048, 2024.
  7. 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, Vol. 144, No.3, 2024. (in Japanese)
  8. Leontine Aarnoudse, Johan Kon, Wataru Ohnishi, Maurice Poot, Paul Tacx, Nard Strijbosch, Tom Oomen: Control-relevant neural networks for feedforward control with preview: Applied to an industrial flatbed printer, IFAC Journal of Systems and Control, No.100241, 2024.
  9. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto: Multirate feedforward control with mode decomposition for intersample performance in multivariable motion systems, Control Engineering Practice, Vol. 141, No.105694, 2023.
  10. 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, 2023.
  11. Yuki Inada, Yusuke Fukai, Naoki Takayasu, Yusuke Nakano, Shungo Zen, Wataru Ohnishi, Yasushi Yamano, Mitsuaki Maeyama, Naoto Kodama: Spatiotemporal Evolution of Electrical Conductivity in Current-Limiting-Fuse Arc, Journal of Physics D: Applied Physics, 2023.
  12. 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. (in Japanese)
  13. Wataru Ohnishi, Yuki Inada, Shungo Zen, Reon Sasaki, Yasuhiro Takada, Yuta Miyaoka, Kosuke Tsukamoto, Yasushi Yamano: Proof-of-Concept of a Fuse-Semiconductor Hybrid Circuit Breaker with a Fast Fuse Exchanger, IEEE Transactions on Power Delivery, Vol. 38, No.2, pp. 937-946, 2023. [preprint]
  14. So Ueno, Wataru Ohnishi, Takafumi Koseki: A proposal for a personalized trustable guidance system for urban railways considering passenger behavior attributes, The Japan Society of Mechanical Engineers, 2023.
  15. Shota Miyoshi, Wataru Ohnishi, Takafumi Koseki, Motoki Sato: Output Voltage Precise Tracking Control for Boost Converters based on Noncausal and Nonlinear Feedforward Control, IEEJ Transactions on Industry Applications, Vol. 143, No.3, pp. 242-255, 2023. (in Japanese) [preprint]
  16. Wataru Ohnishi, Akira Hirata, Ryosuke Shibatsuji, Tatsuya Yamaguchi: Fast and precise temperature control for a semiconductor vertical furnace via heater-cooler integration, IEEE Transactions on Semiconductor Manufacturing, Vol. 36, No.2, pp. 197-204, 2023. [open access]
  17. Wataru Ohnishi, Nard Strijbosch, Tom Oomen: State-Tracking Iterative Learning Control in Frequency Domain Design for Improved Intersample Behavior, International Journal of Robust and Nonlinear Control, Vol. 33, No.7, pp. 4009-4027, 2022. [preprint]
  18. Xiaoke Wang, Wataru Ohnishi, Takafumi Koseki: Frequency Response Data-based Disturbance Observer Design: With Application to a Non-minimum Phase Motion Stage, IEEE/ASME Transactions on Mechatronics, Vol. 27, No.6, pp. 5318-5326, 2022.
  19. Yui Shirato, Wataru Ohnishi, Hiroshi Fujimoto, Yoichi Hori, Koichi, Sakata, Atsushi Hara: Effect of Dead Zone Compensation by Mass-Flow-Rate Twin Drive System with Anti-Windup for Pressure Control System, IEEJ Journal of Industry Applications, Vol. 11, No.2, pp. 299-307, 2022. [open access]
  20. Xiaoke Wang, Wataru Ohnishi, Takafumi Koseki: Linear Matrix Inequality Based Data-driven Disturbance Observer Design: Application to a Non-Minimum Phase Motion Stage, IEEJ Journal of Industry Applications, Vol. 11, No.2, pp. 334-340, 2022. [open access]
  21. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto, Koichi Sakata, Atsushi Hara: Frequency response data-based peak filter design applied to MIMO large-scale high-precision scan stage, Mechatronics, Vol. 83, 2022.
  22. Yui Shirato, Wataru Ohnishi, Hiroshi Fujimoto, Yoichi Hori, Koichi Sakata, Atsushi Hara: Dead zone compensation method by mass flow rate twin drive system for a pneumatic driving system, Journal of the Japan Society for Precision Engineering, Vol. 87, No.9, pp. 759-764, 2021. (in Japanese)
  23. 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. [open access]
  24. 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, Vol. 36, No.4, pp. 2231-2233, 2021.
  25. 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.
  26. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto: MIMO Multirate Feedforward Controller Design with Selection of Input Multiplicities and Intersample Behavior Analysis, Mechatronics, Vol. 71, pp. 1-9, 2020.
  27. Wataru Ohnishi, Hiroshi Fujimoto, Koichi Sakata: Model-based Control Techniques for Large-Scale High-Precision Stage, IEEJ Transactions on Industry Applications, Vol. 140, No.4, pp. 272-280, 2020. (in Japanese) [preprint]
  28. Jurgen van Zundert, Wataru Ohnishi, Hiroshi Fujimoto, Tom Oomen: Improving Intersample Behavior in Discrete-Time System Inversion: With Application to LTI and LPTV Systems, IEEE/ASME Transactions on Mechatronics, Vol. 25, No.1, pp. 55-65, 2020.
  29. Wataru Ohnishi: Frequency Response Data-based Feedback Controller Auto-tuning Method Utilizing both Collocated and Non-collocated Sensors, IEEJ Transactions on Industry Applications, Vol. 139, No.11, pp. 924-932, 2019. (in Japanese) [preprint]
  30. 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. (in Japanese)
  31. Wataru Ohnishi, Thomas Beauduin, Hiroshi Fujimoto: Preactuated Multirate Feedforward Control for Independent Stable Inversion of Unstable Intrinsic and Discretization Zeros, IEEE/ASME Transactions on Mechatronics, Vol. 24, No.2, pp. 863-871, 2019. [preprint]
  32. 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. [open access]
  33. Wataru Ohnishi, Hiroshi Fujimoto, Pai-Hsueh Yang, Ping-Wei Chang, Bausan Yuan, Koichi Sakata, Atsushi Hara: Acoustic Wave Equation Based Modeling and Collocated Side Vibration Cancellation for Pneumatic Cylinder, IEEJ Journal of Industry Applications, Vol. 7, No.2, pp. 109-116, 2018.
  34. Wataru Ohnishi, Hiroshi Fujimoto: Perfect Tracking Control Method by Multirate Feedforward and State Trajectory Generation based on Time Axis Reversal, IEEJ Transactions on Industry Applications, Vol. 137, No.6, pp. 469-477, 2017. (in Japanese)
  35. Wataru Ohnishi, Hiroshi Fujimoto, Koichi Sakata, Kazuhiro Suzuki, Kazuaki Saiki: Decoupling Control Method for High-Precision Stages using Multiple Actuators considering the Misalignment among the Actuation Point, Center of Gravity, and Center of Rotation, IEEJ Journal of Industry Applications, Vol. 5, No.2, pp. 141-147, 2016. [open access]
  36. Wataru Ohnishi, Hiroshi Fujimoto, Yoichi Hori, Koichi Sakata, Kazuhiro Suzuki, Kazuaki Saiki: Attitude Control Method for High-Precision Stage by Compensating Nonlinearity and Coupling of Euler’s Equation and Rotational Kinematics, IEEJ Transactions on Industry Applications, Vol. 134, No.3, pp. 293-300, 2014. (in Japanese)

International Conference Publications (peer-reviewed)

  1. Kosuke Numata, Wataru Ohnishi, Takafumi Koseki, Yusuke Nomura, Adiyasuren Altanbileg, Shuji Takada: Estimation of higher-order state variables by polynomial approximation considering quantization step size of encoder and the implementation on FPGA, , 2024.
  2. Koki Hattori, Wataru Ohnishi, Takafumi Koseki: Mass Flow Rate Control with Compensation of Nonlinearity Using Valve Internal Variables, , 2024.
  3. Wataru Ohnishi, Shota Miyoshi, Takafumi Koseki, Motoki Sato: Noncausal Nonlinear Feedforward Controller Design for Boost Converter Voltage Trajectory Tracking, , 2024.
  4. Christian Milleneuve Budiono, Wataru Ohnishi, Takafumi Koseki, Akira Hirata, Ryosuke Shibatsuji, Tatsuya Yamaguchi: Time-Optimal Temperature Control via Binary Search in Semiconductor Vertical Furnace, 49th Annual Conference of the IEEE Industrial Electronics Society, 2023.
  5. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto: Frequency Response Data-Based Resonant Filter Design Considering Phase Stabilization and Stroke Limitation Applied to Dual-Stage Actuator Hard Disk Drives, 22nd IFAC World Congress, pp. 11390-11395, 2023.
  6. Kentaro Tsurumoto, Wataru Ohnishi, Takafumi Koseki: Task Flexible and High Performance ILC: Preliminary Analysis of Combining a Basis Function and Frequency Domain Design Approach, 22nd IFAC World Congress, pp. 2057-2062, 2023.
  7. Xiaoke Wang, Wataru Ohnishi, Takenori Atsumi: Systematic Filter Design by Convex Optimization for Disturbance Rejection in Dual-Stage Actuated Hard Disk Drives, 22nd IFAC World Congress, pp. 11384-11389, 2023.
  8. Noriaki Ito, Takafumi Koseki, Wataru Ohnishi, Yuichiro Nakamura, Kenji Takahashi, Hiroyuki Sekiguchi: Practical numerical modeling approach for a design of a two-dimensional linear synchronous actuator, The 14th International Symposium on Linear Drivers for Industry Applications, 2023.
  9. Yueying Yang, Wataru Ohnishi, Takafumi Koseki: Proposal for Estimation of the Vertical Center of Gravity and the Decoupling Control with 2-DoF for a Maglev Linear Conveyor, The 14th International Symposium on Linear Drivers for Industry Applications, 2023.
  10. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto: Review on Multirate Feedforward Control with Mode Decomposition for Intersample Performance in Multi-Modal Motion Systems, 9th IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization, 2023.
  11. Liang Oei, Kentaro Tsurumoto, Wataru Ohnishi: Improved Intersample Behaviour of Non-Minimum Phase Systems using State-Tracking Iterative Learning Control, IEEE International Conference on Mechatronics, 2023.
  12. 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.
  13. Masahiro Mae, Max van Haren, Wataru Ohnishi, Tom Oomen, Hiroshi Fujimoto: Feedforward with acceleration and snap using sampled-data differentiator for a multi-modal motion system, Modeling, Estimation, and Control Conference, 2022. [preprint]
  14. Kentaro Tsurumoto, Wataru Ohnishi, Takafumi Koseki, Nard Strijbosch, Tom Oomen: Non-causal state estimation for improved state tracking in iterative learning control, Modeling, Estimation, and Control Conference, 2022. [preprint]
  15. Nipun Pande, Wataru Ohnishi, Takafumi Koseki: Efficient utilization of regenerative braking energy in bilateral co-phase systems, International Conference on Rail Transportation, 2022.
  16. Xiaoke Wang, Wataru Ohnishi, Takenori Atsumi: Design of loop shaping filters based on convex optimization guaranteeing robust performance, IEEE/ASME International Conference on Advanced Intelligent Mechatronics, 2022.
  17. Kentaro Tsurumoto, Wataru Ohnishi, Takafumi Koseki, Nard Strijbosch, Tom Oomen: Improved state estimation by non-causal state observer, 8th IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization, pp. 447-450, 2022. [preprint]
  18. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto, Koichi Sakata: Frequency Response Data-based Multiple Peak Filter Design Applied to High-Precision Stage in Translation and Pitching, IEEE 17th International Conference on Advanced Motion Control, pp. 100-105, 2022.
  19. Varsha Singh, Wataru Ohnishi, Takafumi Koseki: Study of Unbalance Reduction in 25kV AC Traction System by Different Transformer Configurations, 10th IEEE PES International Innovative Smart Grid Technologies Conference - Asia, 2021.
  20. Shikha Saini, Wataru Ohnishi, Takafumi Koseki: Adhesion estimation-based heuristic approach for wheel slip control in electric locomotives, STECH2021, 2021.
  21. Varsha Singh, Wataru Ohnishi, Takafumi Koseki: Interaction of Traction Substations in Phase Shift Technique Based Traction Power Supply Network, 4th Asia Conference on Energy and Electrical Engineering, 2021.
  22. Keisuke Sakai, Wataru Ohnishi, Takafumi Koseki, Kazuhiro Tanaka, Shunji Morita, Katsutoshi Tokuhara, Koki Kasai: Running trajectory optimization to mitigate delay propagation at highly frequent train service based on continuous train position acquisition, 30th International Symposium on Industrial Electronics, 2021.
  23. Shota Miyoshi, Wataru Ohnishi, Takafumi Koseki: Compensation of time and amplitude discretization by applying feedback modulator for motion control of electric railway, 30th International Symposium on Industrial Electronics, 2021.
  24. XiaoKe Wang, Wataru Ohnishi and Takafumi Koseki: Data-based simultaneous design of plant model and robustness filter in disturbance observer, American Control Conference, 2021.
  25. Leontine Aarnoudse, Wataru Ohnishi, Maurice Poot, Paul Tacx, Nard Strijbosch, Tom Oomen: Control-Relevant Neural Networks for Intelligent Motion Feedforward, IEEE International Conference on Mechatronics, 2021.
  26. Wataru Ohnishi, Nard Strijbosch, Tom Oomen: Multirate State Tracking for Improving Intersample Behavior in Iterative Learning Control, IEEE International Conference on Mechatronics, 2021.
  27. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto: Multirate Feedforward Control based on Modal Form with Mode Selection Applied to Multi-Modal High-Precision Positioning Stage, IEEE International Conference on Mechatronics, 2021.
  28. XiaoKe Wang, Wataru Ohnishi,Takafumi Koseki: A Summary of Disturbance Observer Design Methodology for Non-Minimum Phase System, IEEJ International Workshop on Sensing, Actuation, Motion Control, and Optimization, pp. 1-6, 2021.
  29. Yui Shirato, Wataru Ohnishi, Hiroshi Fujimoto, Yoichi Hori, Koichi Sakata and Atsushi Hara: Proposal of Anti-Windup Method of Twin Drive Mass-Flow-Rate Control for Pneumatic Driving System, IEEJ International Workshop on Sensing, Actuation, Motion Control, and Optimization, pp. 226-231, 2021.
  30. Takaaki Hayashi, Wataru Ohnishi, Takafumi Koseki, Yasuhiro Minoura, Koji Yoshihara and 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, pp. 356-359, 2021.
  31. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto, Koichi Sakata, Atsushi Hara: Peak Filter Tuning Based on Disturbance Spectrum for MIMO High-Precision Scan Stage, 21st IFAC World Congress, 2020.
  32. Shota Miyoshi, Wataru Ohnishi, Takafumi Koseki, Motoki Sato: Modified Preactuation Tracking Control for LPV Systems with Application to Boost Converters, 21st IFAC World Congress, 2020.
  33. Xiaoke Wang, Wataru Ohnishi, Takafumi Koseki: Frequency Response Data-Based Disturbance Observer Design Via Convex Optimization, 21st IFAC World Congress, 2020.
  34. Yui Shirato, Wataru Ohnishi, Hiroshi Fujimoto, Takafumi Koseki, Yoichi Hori: Controller design of mass flow rate loop for high-precision pneumatic actuator, IEEE 16th International Workshop on Advanced Motion Control, pp. 32-37, 2020.
  35. Wataru Ohnishi, Jurgen van Zundert, Hiroshi Fujimoto, Tom Oomen: Balancing on-sample and intersample behavior in sampled-data system inversion, 39th Benelux Meeting on Systems and Control, pp. 155-155, 2020.
  36. Takafumi Koseki, Ryu Shimizu, Wataru Ohnishi: A Train Group Control Method to Mitigate Peak Power Demand based on Numerical Calculations of DC-Electrification Circuit, 2nd International Railway Symposium Aachen, 2019.
  37. Wataru Ohnishi: Data-based feedback controller tuning utilizing collocated and non-collocated sensors, 8th IFAC Symposium on Mechatronic Systems, pp. 560-565, 2019.
  38. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto: Intersample Behavior Analysis of MIMO Multirate Feedforward Control depending on Selection of Input Multiplicities, 8th IFAC Symposium on Mechatronic Systems, pp. 566-571, 2019.
  39. Xiaoke Wang, Wataru Ohnishi, Takafumi Koseki: Frequency response data based disturbance observer design applicable to non-minimum phase systems, SICE Annual Conference, pp. 358-363, 2019.
  40. Jurgen van Zundert, Wataru Ohnishi, Hiroshi Fujimoto, Tom Oomen: System Inversion for Sampled-Data Feedforward Control: Balancing On-Sample and Intersample Behavior, American Control Conference, pp. 4472-4477, 2019.
  41. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto: State Trajectory Generation for MIMO Multirate Feedforward using Singular Value Decomposition and Time Axis Reversal, American Control Conference, pp. 5693-5698, 2019.
  42. Kodai Takeda, Wataru Ohnishi, Takefumi Koseki: Proposal of Simplified Transfer Function Model for Dynamic Rectified DC Voltage in DWPT, WPTC2019, 2019.
  43. Wataru Ohnishi, Hiroshi Fujimoto: Precision tracking control by pneumatic actuator: challenges for input delay and acoustic vibrations, 5th IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization, pp. 1-6, 2019.
  44. Yuma Yazaki, Wataru Ohnishi, Takehiro Imura, Hiroshi Fujimoto, Koichi Sakata, Atsushi Hara, Zhaoxiang Chen, Kazuhiro Yokoyama, Kazuhiro Suzuki: Evaluation of Disturbance Caused by Cable Tension in Multi-axis High-Precision Stage using Wireless Power Transfer, 5th IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization, pp. 1-6, 2019.
  45. Yui Shirato, Wataru Ohnishi, Takafumi Koseki: Two-Degree-of-Freedom Control with Adaptive Dead Zone Compensation for Pneumatic Valves, 5th IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization, pp. 1-6, 2019.
  46. Wataru Ohnishi, Thomas Beauduin, Hiroshi Fujimoto: Optimal State Trajectory Regeneration for Nonminimum Phase Systems: No Preactuation Approach, 44th Annual Conference of the IEEE Industrial Electronics Society, pp. 4594-4599, 2018.
  47. Yuma Yazaki, Wataru Ohnishi, Takehiro Imura, Hiroshi Fujimoto, Koichi Sakata, Atushi Hara, Zhaoxiang Chen, Kasuhiro Yokoyama, Kazuhiro Suzuki: Development of Multi-axis High-Precision Stage using Multistep Wireless Power Transfer, 44th Annual Conference of the IEEE Industrial Electronics Society, pp. 4799-4804, 2018.
  48. Wataru Ohnishi, Thomas Beauduin, Hiroshi Fujimoto: Finite Time Optimal Preactuation for Non-Minimum Phase Systems Considering Control Input and Tracking Error Constraints, IEEE Conference on Control Technology and Applications, pp. 1114-1119, 2018.
  49. Wataru Ohnishi, Hiroshi Fujimoto: Multirate Feedforward Control Based on Modal Form, IEEE Conference on Control Technology and Applications, pp. 1120-1125, 2018.
  50. Wataru Ohnishi, Hiroshi Fujimoto: Review on multirate feedforward: model-inverse feedforward control for nonminimum phase systems, The 4th IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization, pp. 1-6, 2018.
  51. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto, Yoichi Hori: Perfect Tracking Control of Dual-Input Dual-Output System for High-Precision Stage in Translation and Pitching Motion, The 4th IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization, pp. 1-6, 2018.
  52. Yuma Yazaki, Takurou Nishimura, Wataru Ohnishi, Takehiro Imura, Hiroshi Fujimoto: Moving Coil Type Wireless Linear Motor based on Magnetic Resonance Coupling, 43rd Annual Conference of the IEEE Industrial Electronics Society, pp. 7288-7293, 2017.
  53. Wataru Ohnishi, Thomas Beauduin, Hiroshi Fujimoto: Preactuated multirate feedforward for a high-precision stage with continuous time unstable zeros, The 20th World Congress of the International Federation of Automatic Control, Vol. 50, No.1, pp. 10907-10912, 2017.
  54. Wataru Ohnishi, Hiroshi Fujimoto, Pai-Hsueh Yang, Ping-Wei Chang, Bausan Yuan, Koichi Sakata, Atsushi Hara: Wave Equation Based Modeling and Vibration Cancellation for Pneumatic Cylinder, The 3rd IEEJ international workshop on Sensing, Actuation, Motion Control, and Optimization, pp. 1-6, 2017.
  55. Wataru Ohnishi, Hiroshi Fujimoto: Tracking control method for a plant with continuous time unstable zeros: Finite preactuation based on state trajectory regeneration by using redundant order polynomial, 55th IEEE Conference on Decision and Control, pp. 4015-4020, 2016.
  56. Wataru Ohnishi, Hiroshi Fujimoto, Koichi Sakata, Atsushi Hara, Kazuaki Saiki: Trajectory Tracking Control for Pneumatic Actuated Scan Stage with Time Delay Compensation, 42nd Annual Conference of the IEEE Industrial Electronics Society, pp. 5125-5130, 2016.
  57. Wataru Ohnishi, Hiroshi Fujimoto: Multirate Feedforward Control with State Trajectory Generation based on Time Axis Reversal for Plant with Continuous Time Unstable Zeros, IEEE International Conference on Advanced Intelligent Mechatronics, pp. 689-694, 2016.
  58. Wataru Ohnishi, Hiroshi Fujimoto, Koichi Sakata, Kazuhiro Suzuki, Kazuaki Saiki: Decoupling Control by the Center of Rotation and Gravity Hybrid-Driven Method for High-Precision Scan Stage with Multiple Actuators, The 14th International Workshop on Advanced Motion Control, 2016.
  59. Wataru Ohnishi, Hiroshi Fujimoto, Koichi Sakata, Kazuhiro Suzuki, Kazuaki Saiki: Integrated Design of Mechanism and Control for High-Precision Stages by the Interaction Index in the Direct Nyquist Array Method, American Control Conference, pp. 2825-2830, 2015.
  60. Wataru Ohnishi, Hiroshi Fujimoto, Koichi Sakata, Kazuhiro Suzuki, Kazuaki Saiki: 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, The 1st IEEJ International Workshop on Sensing, Actuation, and Motion Control, pp. 1-6, 2015.
  61. Riccardo Antonello, Roberto Oboe, Stefano Bizzotto, Emanuele Siego, Yuma Yazaki, Wataru Ohnishi, Hiroshi Fujimoto: Feasible trajectory generation for a dual stage positioning system using a simplified model predictive control approach, IEEE International Conference on Mechatronics, pp. 604-609, 2015.
  62. Wataru Ohnishi, Hiroshi Fujimoto, Koichi Sakata, Kazuhiro Suzuki, Kazuaki Saiki: Design and Control of 6-DOF High-Precision Scan Stage with Gravity Canceller, American Control Conference, pp. 997-1002, 2014.
  63. Binh Minh Nguyen, Kiyoto Ito, Wataru Ohnishi, Yafei Wang, Hiroshi Fujimoto, Yoichi Hori, Masaki Odai, Hironori Ogawa, Erii Takano, Tomohiro Inoue, Masahiro Koyama: Dual Rate Kalman Filter Considering Delayed Measurement and Its Application in Visual Servo, The 13th International Workshop on Advanced Motion Control, pp. 494-499, 2014.
  64. Wataru Ohnishi, Hiroshi Fujimoto, Koichi Sakata, Kazuhiro Suzuki, Kazuaki Saiki: Proposal of Attitude Control for High-Precision Stage by Compensating Nonlinearity and Coupling of Euler’s Equation and Rotational Kinematics, 39th Annual Conference of the IEEE Industrial Electronics Society, pp. 6531-6536, 2013.

Domestic Conference Publications (non peer-reviewed)

  1. Yecheng Liu, Reon Sasaki, Wataru Ohnishi, Keiya Yamada, Taihei Kobayashi, Yuki Inada, Yasushi Yamano, Shungo Zen: Verification of Fuse-Semiconductor Commutation Based on Online Estimation of Fuse Current-Limiting Status, 令和6年電気学会全国大会, pp. 36-37, 2024.
  2. Xuanlang Meng, Tianyue Sun, Wataru Ohnishi, Takafumi Koseki: Two-Step Multi-Fidelity Approaches for Optimizing Railway Operations through Collaborative Energy Exchange between Powering and Regenerating Trains ~Comparison of Computational Load and Energy Saving Performance, IEE of Japan Technical Meeting Record, pp. 27-32, 2024.
  3. Koki Hattori, Wataru Ohnishi, Takafumi Koseki: Compensation of Pressure Dependent Disturbance in a 2-port Valve with a Built-in Linear DC Motor, IEE of Japan Technical Meeting Record, pp. 5-10, 2024. (in Japanese)
  4. Kensuke Nagai, Wataru Ohnishi, Takafumi Koseki: Proposal of Cubic Codes for Improving Accuracy of Structure Identification Using Single-Dimensional LiDAR Sensor, IEE of Japan Technical Meeting Record, pp. 23-28, 2024. (in Japanese)
  5. Keisuke Sakai, Wataru Ohnishi, Takafumi Koseki: Energy-Saving Optimization of Speed Profile of an Electric Train Considering Jerk Upper Limit by Parallel Dynamic Programming, J-RAIL, pp. 316-319, 2023. (in Japanese)
  6. Kiyotaka Hamanaka, Wataru Ohnishi, Takafumi Koseki, Mitsuki Asai, Koji Yoshihara, Masamichi Nawa: Basic Study of Vibration Suppression Control Using Active Mass Damper for Stacker Crane, IEE of Japan Technical Meeting Record, pp. 7-12, 2023. (in Japanese)
  7. Kosuke Numata, Wataru Ohnishi, Takafumi Koseki, Yusuke Nomura, Adiyasuren Altanbileg, Shuji Takada: Estimation of higher-order state variables by polynomial approximation considering quantization step size of encoder, IEE of Japan Technical Meeting Record, pp. 65-70, 2023. (in Japanese)
  8. Yecheng Liu, Reon Sasaki, Wataru Ohnishi, Keiya Yamada, Taihei Kobayashi, Yuki Inada, Yasushi Yamano, Shungo Zen: Optimized Operation for Fuse-Semiconductor Hybrid DC Circuit Breaker Based on Real-Time Estimation of Fuse Current-Limiting Status, IEE of Japan Technical Meeting Record, pp. 1-6, 2023.
  9. Kentaro Tsurumoto, Wataru Ohnishi, Takafumi Koseki: Combining frequency-domain design and basis functions in Iterative Learning Control: Basic study of using rational basis functions with preactuation for improved task-flexibilit, IEE of Japan Technical Meeting Record, pp. 31-36, 2023. (in Japanese)
  10. Christian Milleneuve Budion, Wataru Ohnishi, Takafumi Koseki , Akira Hirata, Ryosuke Shibatsuji, Tatsuya Yamaguchi: Analysis of Temperature Dependency in Semiconductor Vertical Furnace through Closed-loop System Identification and Feedback Control Design, IEE of Japan Technical Meeting Record, pp. 35-40, 2023. (in Japanese)
  11. Wataru Ohnishi, Christian Milleneuve Budion, Akira Hirata, Ryosuke Shibatsuji, Tatsuya Yamaguchi: Proposal of a Temperature Uniformity Control Considering Position Dependence of Semiconductor Vertical Furnace, IEE of Japan Technical Meeting Record, pp. 41-46, 2023. (in Japanese)
  12. Akira Hirata, Tatsuya Yamaguchi, Wataru Ohnishi: Disturbance Suppression by Applying Iterative Learning Control to Temperature Control System of Single Wafer Deposition System, IEE of Japan Technical Meeting Record, pp. 47-52, 2023. (in Japanese)
  13. Kensuke Nagai, Wataru Ohnishi, Takafumi Koseki: Absolute Train Localization Based On The Identification Of Surrounding Structures Using 1D-LiDAR Sensor, Proceedings of the IEE Japan Industry Applications Society Conference, 2023. (in Japanese)
  14. Mamoru Katayama, Wataru Ohnishi, Takafumi Koseki, Houng-Joong Kim, Koichi Sakata: Design of a Pair of Transverse Flux Linear Synchronous Motors for Simultaneous Two-Dimensional Translational and Yaw Motion Control to High-Acceleration Precision Stage, Proceedings of the IEE Japan Industry Applications Society Conference, 2023. (in Japanese)
  15. 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, Proceedings of the IEE Japan Industry Applications Society Conference, 2023. (in Japanese)
  16. So Ueno, Wataru Ohnishi, Takafumi Koseki: Prototyping of a Scaled Roller Rig Device to Emulate Fast Change of Adhesion for Evaluating Performance of Railway Traction Control Technology and Fundamental Measurement of Adhesion, Proceedings of the IEE Japan Industry Applications Society Conference, 2023. (in Japanese)
  17. So Ueno, Wataru Ohnishi, Takafumi Koseki: Measurement of Adhesion by a Scaled Roller Rig Device to Emulate Fast Change of It for Evaluating Performance of Railway Traction Control Technology, 電気学会 交通・電気鉄道 研究会, pp. 13-18, 2023. (in Japanese)
  18. Ryoga Shimizu, Shungo Zen, Yuki Inada, Wataru Ohnishi, Yusuke Nakano, Naoto Kodama, Yasushi Yamano: Development of Fault Current Limit Hybrid DC Circuit breaker for High Voltage, 電気学会 放電・プラズマ・パルスパワー/静止器/開閉保護合同研究会, 2023. (in Japanese)
  19. So Ueno, Wataru Ohnishi, Takafumi Koseki: A Proposal for a Simulated Running Environment for Railway Vehicle Control Engineering Tests Using a Scaled Roller Rig that Simulates High-Speed Friction Fluctuations, 電気学会 交通・電気鉄道/リニアドライブ 合同研究会, 2023. (in Japanese)
  20. Yang Yueying, 大西亘, 古関隆章: Feedback Control Design for a 3-DOF Magnetic Levitation System based on I-PD Closed-Loop System Identification, 電気学会 交通・電気鉄道/リニアドライブ 合同研究会, 2023.
  21. Kensuke Nagai, Wataru Ohnishi, Takafumi Koseki: A proposal of a virtual balise for train localization by on-board sensor fusion, 電気学会 交通・電気鉄道/リニアドライブ 合同研究会, 2023. (in Japanese)
  22. 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, 電気学会 交通・電気鉄道/リニアドライブ 合同研究会, 2023. (in Japanese)
  23. Mamoru Katayama, Wataru Ohnishi, Takafumi Koseki, Houng-Joong Kim, Koichi Sakata: Design of a Transverse Flux Type Linear Synchronous Motor for High Acceleration Drive of a Non-contact Precision Positioning Stage, 電気学会 交通・電気鉄道/リニアドライブ 合同研究会, 2023. (in Japanese)
  24. Kaiyu Lao, Takafumi Koseki, Wataru Ohnishi, Jun Umeda, Tomoki Taniguchi, Toshifumi Fujiwara, Hiroki Goto: Real-time control experiments of Transverse Flux Type Linear Generator for Wave Energy Converter, 電気学会 交通・電気鉄道/リニアドライブ 合同研究会, 2023. (in Japanese)
  25. Christian Milleneuve Budion, Wataru Ohnishi, Takafumi Koseki , Akira Hirata, Ryosuke Shibatsuji, Tatsuya Yamaguchi: Analysis of Temperature Dependency in Batch Type Semiconductor Vertical Furnace through Frequency Domain Closed-loop System Identification, The Journal of The Institute of Electrical Engineers of Japan, pp. 101-106, 2022. (in Japanese)
  26. Reon Sasaki, Wataru Ohnishi, Takafumi Koseki: Compensation for state variable dependent disturbances in linear motor using gaussian process regression, The Journal of The Institute of Electrical Engineers of Japan, pp. 95-100, 2022. (in Japanese)
  27. Yecheng Liu, Reon Sasaki, Wataru Ohnishi, Takafumi Koseki, Kosuke Tukamoto, Yasusi Yamano, Yuki Inada, Shungo Zen: Operation timing considerations of Hybrid DCCB based on data analysis of current-limiting-status inside fuse, 電気学会 放電・プラズマ・パルスパワー/開閉保護/高電圧 合同研究会, 2022.
  28. Wataru Ohnishi, Akira Hirata, Ryosuke Shibatsuji, Tatsuya Yamaguchi: Proposal of a fast and precise temperature control for a semiconductor vertical furnace by heater-cooler integration, IEE of Japan Technical Meeting Record, pp. 73-78, 2022. (in Japanese)
  29. Xiaoke Wang, Wataru Ohnishi, Takenori Atsumi: An optimal design of loop shaping filter by convex optimization and RBode plots for a dual-stage HDD system, IEE of Japan Technical Meeting Record, pp. 19-24, 2022. (in Japanese)
  30. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto: Frequency Response Data-based Resonant Filter Design for Disturbance Rejection in Dual-Stage-Actuator HDD Benchmark Problem, IEE of Japan Technical Meeting Record, pp. 25-30, 2022. (in Japanese)
  31. Kentaro Tsurumoto, Wataru Ohnishi, Takafumi Koseki: Basic study on a task-flexible and high-performance ILC combining a basis function and frequency domain design, IEE of Japan Technical Meeting Record, pp. 31-36, 2022. (in Japanese)
  32. Kaiyu Lao, Takafumi Koseki, Wataru Ohnishi, Jun Umeda, Tomoki Taniguchi, Toshifumi Fujiwara, Hiroki Goto: Water Tank Experiment to Evaluate a Transverse Flux Type Linear Generator in Wave Energy Converter, IEE of Japan Technical Meeting Record, pp. 5-10, 2022.
  33. 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, Proceedings of the IEE Japan Industry Applications Society Conference, 2022. (in Japanese)
  34. Xiaoke Wang, Wataru Ohnishi, Takenori Atsumi: ロバスト性能を満たす高次制御器のRCBode plotの支援に基づくデータ駆動設計～HDDベンチマーク問題への適用～, Proceedings of the IEE Japan Industry Applications Society Conference, 2022. (in Japanese)
  35. Shota Miyoshi, Wataru Ohnishi, Takafumi Koseki, Motoki Sato: Output voltage perfect tracking control of boost converters based on nonlinear and noncausal stable inversion, IEE of Japan Technical Meeting Record, pp. 29-34, 2022. (in Japanese)
  36. Wenchao Yuan, Shungo Zen, Nozomi Takeuchi, Wataru Ohnishi, Yuki Inada: Copper Contact Collaborating with SiC MOSFET and Drive Circuit Design for Hybrid DCCB in MVDC System, 電気学会 放電・プラズマ・パルスパワー/静止器/開閉保護合同研究会, 2022.
  37. Noriaki Ito, Wataru Ohnishi, Takafumi Koseki, Yuichiro Nakamura, Kenji Takahashi, Hiroyuki Sekiguchi: Fundamental study on numerical analysis on multi-physics integrating magnetic field, electric circuit and motion of a planar motor, IEE of Japan Technical Meeting Record, 2022. (in Japanese)
  38. Reon Sasaki, Wataru Ohnishi, Yasuhiro Takada, Takafumi Koseki, Shungo Zen, Yuki Inada: Basic study of high-speed fuse replacement using a linear motor in the fuse semiconductor hybrid circuit breaker, IEE of Japan Technical Meeting Record, pp. 7-12, 2022. (in Japanese)
  39. Wataru Ohnishi, Yuki Inada, Shungo Zen, Reon Sasaki, Yasuhiro Takada, Yuta Miyaoka, Kosuke Tsukamoto, Yasushi Yamano: Experimental Validation of Fuse-Semiconductor Hybrid Circuit Breaker with Fast Fuse Switcher, The Papers of Joint Technical Meeting on “Electrical Discharges, Plasma and Pulsed Power”, “Switching and Protecting Engineering” and “High Voltage Engineering”, IEE Japan, pp. 13-18, 2021. (in Japanese)
  40. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto: Comparison of Multirate Feedforward Control with Multiplicative and Additive Decomposition for High-Order Resonant System, IEE of Japan Technical Meeting Record, 2021. (in Japanese)
  41. Wang Xiaoke, Ohnishi Wataru, Atsumi Takenori: Proposal of an Automated Robust Controller Design Method with the Aid of RCBode Plots, IEE of Japan Technical Meeting Record, 2021. (in Japanese)
  42. Wataru Ohnishi, Hiroshi Fujimoto, Takafumi Koseki: Control engineering education under Covid-19: an example of online/hybrid lectures, IEE of Japan Technical Meeting Record, pp. 9-14, 2021. (in Japanese)
  43. Wataru Ohnishi: Data-driven controller design for high-speed and high-precision motion control of linear motor driven-system, Proceedings of the IEE Japan Industry Applications Society Conference, 2021. (in Japanese)
  44. Shota Miyoshi, Wataru Ohnishi, Takafumi Koseki: Application of feedback modulator mitigating the influence of discrete notch control to train automatic stop control, IEE of Japan Technical Meeting Record, pp. 5-10, 2021. (in Japanese)
  45. So Ueno, Wataru Ohnishi, Takafumi Koseki: A proposal for a personalized trustable guidance system for urban railways considering passenger behavior attributes, IEE of Japan Technical Meeting Record, pp. 11-16, 2021. (in Japanese)
  46. Tomoya Mizoguchi, Wataru Ohnishi, Takafumi Koseki: Experimental verification of online method for identifying mass and center of gravity of a levitated body to improve control performance of electromagnetic levitation for a transportation system, The Papers of Joint Technical Meeting on “Transportation and Electric Railway” and “Linear Drives”, IEE Japan, pp. 15-20, 2021. (in Japanese)
  47. Keisuke Sakai, Wataru Ohnishi, Takafumi Koseki, Kazuhiro Tanaka, Shunji Morita, Katsutoshi Tokuhara: Delay propagation mitigating train control method based on communication-based continuous train position and departure prediction of the preceding train, The Papers of Joint Technical Meeting on “Transportation and Electric Railway” and “Linear Drives”, IEE Japan, pp. 61-66, 2021. (in Japanese)
  48. XiaoKe Wang, Wataru Ohnishi, Takafumi Koseki: Experimental verification of FRD-based disturbance observer design for the non-minimum phase system compared with H∞-based design, IEE of Japan Technical Meeting Record, pp. 111-116, 2020. (in Japanese)
  49. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto: Study on Mode Selection depending on Reference Signal in Multirate Feedforward Control based on Modal Form with Application to Two-Inertia System, IEE of Japan Technical Meeting Record, pp. 105-110, 2020. (in Japanese)
  50. Keisuke Sakai, Wataru Ohnishi, Takafumi Koseki, Kazuhiro Tanaka, Shunji Morita, Katsutoshi Tokuhara: Numerical evaluation of a train control method to mitigate delay propagation based on communication-based continuous train position, 鉄道技術連合シンポジウム, Vol. 27, 2020. (in Japanese)
  51. Shota Miyoshi, Wataru Ohnishi, Takafumi Koseki, Motoki Sato: Proposal of precise voltage tracking control for a boost converter by two-degree-of-freedom control with linear-parameter-varying model and non-casual control input, IEE of Japan Technical Meeting Record, pp. 37-42, 2020. (in Japanese)
  52. Tomoya Mizoguchi, Wataru Ohnishi, Takafumi Koseki: Proposal of online identification of mass and center of gravity for a permanent magnet linear synchronous motor suspended electromagnetically, The Papers of Joint Technical Meeting on “Transportation and Electric Railway” and “Linear Drives”, IEE Japan, 2020. (in Japanese)
  53. 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, The Papers of Joint Technical Meeting on “Transportation and Electric Railway” and “Linear Drives”, IEE Japan, pp. 7-12, 2020. (in Japanese)
  54. Yuki Inada, Shungo Zen, Wataru Ohnishi, Yusuke Fukai, Naoki Takayasu, Mitsuaki Maeyama, Yasushi Yamano: Prototype Current-Limiting Circuit Breaker Installing Fuse and Semiconductor, IEE of Japan Technical Meeting Record, 2019. (in Japanese)
  55. Yui Shirato, Wataru Ohnishi, Hiroshi Fujimoto, Takafumi Koseki, Yoichi Hori: A study on pole placement for the high-speed high-precision pneumatic system with time delay, IEE of Japan Technical Meeting Record, 2019. (in Japanese)
  56. Wataru Ohnishi: Proposal of data-driven vibration suppression controller design utilizing multiple sensors, IEE of Japan Technical Meeting Record, 2019. (in Japanese)
  57. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto: MIMO Multirate Feedforward Control for Two-Inertia System focus on Control Inputs and State Variables of Motor Side and Load Side, IEE of Japan Technical Meeting Record, 2019. (in Japanese)
  58. Shota Miyoshi, Wataru Ohnishi, Takafumi Koseki, Motoki Sato: Precise control of output voltage transient response for a boost converter based on preactuation, IEE of Japan Technical Meeting Record, 2019. (in Japanese)
  59. Wataru Ohnishi, Yui Shirato, Hiroshi Fujimoto, Takafumi Koseki: Challenges for precision tracking control by pneumatic actuators, IEE of Japan Technical Meeting Record, pp. 1-6, 2019. (in Japanese)
  60. Kodai TAKEDA, Wataru OHNISHI, Takafumi KOSEKI: Proposal of Parameter Identification Method for S/S Topology Based on Obtained Frequency Domain Data from Inverter Current/Voltage of Wireless Power Transfer, TECHNICAL REPORT OF IEICE., 2019. (in Japanese)
  61. Takafumi Koseki, Wataru Ohnishi, Kodai Takeda: Roles of Wireless Power Transmission in Energy Management of Electric Railways, Proceedings. JSAE Annual Congress, pp. 1-2, 2019. (in Japanese)
  62. 米田琢見, 大西亘, 古関隆章: 都市鉄道の列車遅延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, 電気学会交通・電気鉄道研究会資料, 2019. (in Japanese)
  63. Yuto Mitsui, Akira Kurosaki, Wataru Ohnishi, Takafumi Koseki: Performance evaluation of active controls of a linear synchronous generator for various input ocean waveforms, IEE of Japan Technical Meeting Record, 2019. (in Japanese)
  64. Wataru Ohnishi: Frequency response data based P-PI feedback controller design method using self resonance cancellation control, IEE of Japan Technical Meeting Record, pp. 13-18, 2018. (in Japanese)
  65. Xiaoke Wang, Wataru Ohnishi, Takafumi Koseki: Causal design of Taylor series approximation in a disturbance observer for a non-minimum phase system, IEE of Japan Technical Meeting Record, pp. 65-70, 2018.
  66. Masahiro Mae, Wataru Ohnishi, Hiroshi Fujimoto: State Trajectory Generation for MIMO PTC using Singular Value Decomposition, IEE of Japan Technical Meeting Record, pp. 71-76, 2018. (in Japanese)
  67. Wataru Ohnishi, Hiroshi Fujimoto: Basic study on a multirate feedfoward control based on modal form, IEE of Japan Technical Meeting Record, pp. 37-42, 2017. (in Japanese)
  68. Wataru Ohnishi, Hiroshi Fujimoto: Tracking control method for plant with continuous time unstable zeros: Finite preactuation method based on redundant order polynomial trajectory, IEE of Japan Technical Meeting Record, pp. 1-6, 2016. (in Japanese)
  69. Takurou Nishimura, Takehiro Imura, Yoichi Hori: Basic Study on Moving Coil Type Wireless Linear Motor based on Magnetic Resonance Coupling, IEE of Japan Technical Meeting Record, pp. 33-38, 2016. (in Japanese)
  70. Hiroshi Fujimoto, Wataru Ohnishi: Novel extension of trajectory tracking control based on multirate feedforward control for precision servo system, Proceedings of the IEE Japan Industry Applications Society Conference, 2016. (in Japanese)
  71. Wataru Ohnishi, Hiroshi Fujimoto: Tracking control method for plant with continuous time unstable zeros ?Stable inversion by time axis reversal and multirate feedforward?, IEE of Japan Technical Meeting Record, pp. 109-114, 2015. (in Japanese)
  72. Wataru Ohnishi, Hiroshi Fujimoto, Koichi Sakata, Kazuhiro Suzuki, Kazuaki Saiki: Decoupling Control for High-Precision Stages by the Center of Rotation and Gravity Hybrid-Driven Method using Multiple Actuators, Proceedings of the IEE Japan Industry Applications Society Conference, pp. 217-220, 2015. (in Japanese)
  73. Wataru Ohnishi, Hiroshi Fujimoto, Koichi Sakata, Kazuhiro Suzuki, Kazuaki Saiki: Proposal of integrated design of mechanism and control for high-precision stage by interaction index on Direct Nyquist Array method, IEE of Japan Technical Meeting Record, pp. 1-6, 2014. (in Japanese)
  74. Wataru Ohnishi, Hiroshi Fujimoto, Koichi Sakata, Kazuhiro Suzuki, Kazuaki Saiki: Interference Analysis of Rotational Motion for High-precision Stage Considering Nonlinearity and Coupling, IEE of Japan Technical Meeting Record, pp. 61-66, 2013. (in Japanese)
  75. Wataru Ohnishi, Hiroshi Fujimoto, Yoichi Hori, Koichi Sakata, Kazuhiro Suzuki, Kazuaki Saiki: Proposal of Attitude Control for High-Precision Stage by Compensating Nonlinearity and Coupling of Euler’s Equation, IEE of Japan Technical Meeting Record, pp. 67-72, 2013. (in Japanese)

Review paper

  1. Motoki Sato, Shota Miyoshi, Wataru Ohnishi, Takafumi Koseki: Perfect tracking control of boost converters based on noncausal stable inversion with load current feedforward, Toyo Denki review, Vol. 146, pp. 1-10, 2022. (in Japanese)
  2. Motoki Sato, Shota Miyoshi, Wataru Ohnishi, Takafumi Koseki: A Research of Boost Converter for perfect tracking control, Toyo Denki review, Vol. 142, pp. 19-26, 2020. (in Japanese)
  3. Wataru Ohnishi, Koichi Sakata, Hiroshi Fujimoto: 大型超精密位置決めステージにおける精密サーボ技術, 電気学会技術報告「精密サーボシステムにおける共通基盤技術」, Vol. 1485, pp. 15-20, 2020. (in Japanese)
  4. Wataru Ohnishi: 自己共振相殺制御をマイナーループに持つP-PI制御系の周波数応答を用いた自動設計, 電気学会技術報告「精密サーボシステムにおける共通基盤技術」, Vol. 1485, pp. 74-79, 2020. (in Japanese)
  5. Shota Miyoshi, Takumi Yoneda, Kodai Takeda, Wataru Ohnishi: Railway Technical Research Institute：Challengers for New Railway Systems, The Journal of The Institute of Electrical Engineers of Japan, Vol. 138, No.11, pp. 724-727, 2018. (in Japanese)
  6. Wataru Ohnishi: 複数アクチュエータの回転中心・重心点ハイブリッド駆動法による超精密ステージの非干渉化制御, 電気学会技術報告「精密サーボシステムを支える要素技術と制御応用」, Vol. 1426, 2018. (in Japanese)
  7. Hiroshi Fujimoto, Wataru Ohnishi: Trajectory Tracking Control for Precision Servo Technology, The Journal of The Institute of Electrical Engineers of Japan, Vol. 137, No.1, pp. 11-14, 2017. (in Japanese)