Ren Tsunata, Masatsugu Takemoto, Jun Imai, Tatsuya Saito, Tomoyuki Ueno. The Superiority of Efficiency Considering Harmonic Current caused by PWM inverter in Axial-Flux PM Machine Using Ferrite PM for Traction applications: Comparison to Radial-Flux PM Machines Using NdFeB PM. Proceedings - 2023 IEEE Energy Conversion Congress and Exposition (ECCE). 2023
Yuto Sho, Masatsugu Takemoto, Ren Tsunata, Jun Imai. Proposal of a Novel Air-Gap Structure For Magnet-Less 3-Axis Active Control-Type Magnetic Bearing With Cylindrical Rotor: Reducing Axial Length of Turbomachinery System. IEEE International Future Energy Electronics Conference (IFEEC2023). 2023
Ren Tsunata, Masatsugu Takemoto. Teaching Method for Electrical Machines Focusing on Differences Between Simulation and Experimental Verification. 2023 IEEE 10th International Conference on E-Learning in Industrial Electronics (ICELIE). 2023
Ren Tsunata, Masatsugu Takemoto, Jun Imai, Tatsuya Saito, Tomoyuki Ueno. A Proposal of an Axial-Flux Permanent-Magnet Machine Employing SMC Core With Tooth-Tips Constructed by One-Pressing Process: Improving Torque and Manufacturability. IEEE Access. 2023. 11. 109435-109447
Ren Tsunata, Keito Yokomichi, Masatsugu Takemoto, Jun Imai. Design and Analysis of Hybrid-Excitation Variable Flux Memory Motor for Traction Applications: Improving Output Power in High-Speed Area During Six-Step Operation Mode. IEEE Access. 2023. 11. 82024-82036