Ryoichi Takahata

Fabrication of Bi(Pb)SrCaCuO Thin Film of High-T_c Phase

Tsutom Yotsuya, Yoshihiko Suzuki, Soichi OGAWA et al. · Japanese Journal of Applied Physics · 1989 · 23 citations

Materials Science, High-tc Superconductivity, Engineering +11

Position Sensorless Control Method at Zero-Speed Region for Permanent Magnet Synchronous Motors Using the Neutral Point Voltage of Stator Windings

Yoshitaka Iwaji, Ryoichi Takahata, T. Suzuki et al. · IEEE Transactions on Industry Applications · 2016 · 21 citations

Electric Machine, Motor Drive, Mechatronics +5

Influences of Inverter Modulation on Permanent Magnet Synchronous Motor Characteristics

Ryoichi Takahata, Shinichi Wakui, Kenji Miyata et al. · IEEJ Transactions on Industry Applications · 2014 · 14 citations

Minimum Current Start-Up Method by Combined Use of Two Position-Sensorless Controls

T. Suzuki, Yuichi Shimizu, Yoshitaka Iwaji et al. · IEEE Transactions on Industry Applications · 2014 · 13 citations

Combined Use, Harmonic Injection, Electrical Engineering +8

Influence of Rotor Eccentricity on Vibration Characteristics of Permanent Magnet Synchronous Motor

Ryoichi Takahata, Shinichi Wakui, Kenji Miyata et al. · IEEJ Journal of Industry Applications · 2019 · 11 citations · Full text