Sakahisa Nagai

23 papers C 9Journal 5Unranked 9
YearRankTypeTitle / Venue / Authors
2026 — conf
Altitude Optimization above Transmitter Coil for In-flight Inductive Power Transfer Using Dynamic Programming.
AMC
Yuki Tanaka, Kota Fujimoto, Sakahisa Nagai, Hiroshi Fujimoto
2026 J jnl
Voltage and Rectification Timing Control for Start-Up Current Overshoot Suppression in Dynamic Wireless Power Transfer Systems.
IEEE Access
Yuya Deguchi, Sakahisa Nagai, Osamu Shimizu, Hiroshi Fujimoto, Masaya Takahashi, Hayato Sumiya
2025 — conf
Basic Study on Short Distance Landing Control with Reverse Thrust of Variable Pitch Propeller for Fixed Wing Electric Aircraft.
ICM
Pinzhe Feng, Yuto Naoki, Kota Fujimoto, Kentaro Yokota, Sakahisa Nagai, Hiroshi Fujimoto
2025 J jnl
Optimizing the Number of Parallel SiC MOSFET Chips in a Wireless Power Transfer Inverter With Pulse Width Control.
IEEE Trans. Ind. Electron.
Tatsuya Yanagi, Ken Nakahara, Sakahisa Nagai, Osamu Shimizu, Hiroshi Fujimoto
2025 — conf
Trajectory Tracking Control of Tilt-Wing eVTOL Using Aerodynamic Coupling Observer and Wing Angle Correction Method.
ICM
Takuma Katagiri, Kota Fujimoto, Sakahisa Nagai, Hiroshi Fujimoto
2024 C conf
Basic Study on Vortex Ring State Detection of Multi-rotor UAV Using Motor Counter Torque Observer.
IECON
Manto Kamiya, Sakahisa Nagai, Hiroshi Fujimoto
2024 J jnl
Effect of the Conduction Resistance of SiC MOSFET on the Harmonics of Inverter Voltage in Wireless Power-Transfer Systems for Electric Vehicles.
IEEE Access
Tatsuya Yanagi, Ken Nakahara, Hayato Sumiya, Sakahisa Nagai, Osamu Shimizu, Hiroshi Fujimoto
2024 — conf
Thrust Force Vibration Suppression of Drone Rotor by Higher Harmonic Rotational Speed Control.
AIM
Yuto Naoki, Sakahisa Nagai, Hiroshi Fujimoto
2024 C conf
Two-pulse Width Modulation for Voltage Regulation and Reduction of Electromagnetic Field Radiated by Third Harmonic Current in Wireless Power Transfer System.
IECON
Sakahisa Nagai, Toshiyuki Fujita, Osamu Shimizu, Hiroshi Fujimoto
2023 C conf
Basic Study on Received Power Control of In-Flight Inductive Power Transfer for Drones by Active Rectifier Switching and Altitude Regulation.
IECON
Yusuke Satoh, Kota Fujimoto, Ryo Matsumoto, Nguyen Binh Minh, Sakahisa Nagai, Hiroshi Fujimoto
2023 C conf
Learning-Based Distributed Approach to Energy-Optimized Speed Trajectory for Electric Vehicles at Multiple Signalized Intersections.
IECON
Yuki Hosomi, Binh-Minh Nguyen, Sakahisa Nagai, Hiroshi Fujimoto
2023 C conf
Multirate Attitude Control of Dual-Rotor System Considering Propeller Loss of Effectiveness.
IECON
Binh-Minh Nguyen, Sakahisa Nagai, Hiroshi Fujimoto
2023 C conf
Test Bench Study on Attitude Estimation in Ground Effect Region Based on Motor Current for In-Flight Inductive Power Transfer of Drones.
IECON
Kota Fujimoto, Sakahisa Nagai, Nguyen Binh Minh, Hiroshi Fujimoto
2023 J jnl
Test Bench Study on Attitude Estimation in Ground Effect Region Based on Motor Current for In-Flight Inductive Power Transfer of Drones.
CoRR
Kota Fujimoto, Sakahisa Nagai, Nguyen Binh Minh, Hiroshi Fujimoto
2023 — conf
Wind vector estimation considering difference of propeller model characteristics for fully actuated drone.
AIM
Manto Kamiya, Sakahisa Nagai, Hiroshi Fujimoto
2020 — conf
Development of Compact Linear Actuator Combining DC motor and Cylindrical Cam for Tactile Display.
AMC
Sakahisa Nagai, Atsuo Kawamura
2019 C conf
Position/Force Sensorless Force Control Using Reaction Force Observer for Compact Dual Solenoid Actuator.
IECON
Sakahisa Nagai, Atsuo Kawamura
2019 — conf
Sensorless Position Control for Compact Dual Solenoid Actuator Using Disturbance Observer.
ICM
Sakahisa Nagai, Atsuo Kawamura
2018 — conf
Basic study on 1D array actuator using solenoid actuators for 2D haptic display realization.
AMC
Sakahisa Nagai, Sota Ogura, Akihiro Shimazu, Atsuo Kawamura
2018 C conf
Sensorless Position Estimation with Thermal Compensation for Compact Dual Solenoid Actuator.
IECON
Sakahisa Nagai, Atsuo Kawamura
2017 C conf
Fast force control using acceleration-aided Kalman filter and reaction force observer for probing systems.
IECON
Sakahisa Nagai, Roberto Oboe, Tomoyuki Shimono, Atsuo Kawamura
2016 J jnl
Environmental Robust Position Control for Compact Solenoid Actuators by Sensorless Simultaneous Estimation of Position and Force.
IEEE Trans. Ind. Electron.
Sakahisa Nagai, Takahiro Nozaki, Atsuo Kawamura
2016 — conf
Realization of bilateral control by compact solenoid actuators without position and force sensors.
AMC
Sakahisa Nagai, Atsuo Kawamura