N. Kawamura, S. Inoue, T. Zanma, K. Kondo, K. Koiwa, K.Z. Liu, M. Shibata. Feedback Error Learning-Based Position Control System in Position-Sensorless Positioning Servo Systems of IPMSMs. IEEJ Journal of Industry Applications. 2023. 12. 4. 816-825
Naoki Kawamura, Keiichiro Kondo, Masaki Nagataki. A Method to Design the Controller for Single Pulse Mode Torque Feedback Control System of IPMSM. IEEJ Journal of Industry Applications. 2022. 11. 4. 582-593
Naoki Kawamura, Tadanao Zanma, Yuta Nomura, Kenta Koiwa, Kang-Zhi Liu, Masaru Hasegawa. Improved adaptive parameters estimation considering transient-state estimation error in sensorless control system of IPMSM. IET ELECTRIC POWER APPLICATIONS. 2021. 15. 8. 1111-1123
Naoki Kawamura, Tadanao Zanma, Kenta Koiwa, Kang-Zhi Liu, Masaru Hasegawa. Position Sensorless Adaptive Positioning Servo System with Simplified Differential Calculation and High-Frequency Voltage Injection Strategy Considering Acoustic Noise Suppression. IEEJ JOURNAL OF INDUSTRY APPLICATIONS. 2021. 10. 1. 1-10