| Title |
Duplication Control of Dual 3-Phase IPMSM Control |
| Authors |
박준휘(JunHwi Park) ; 마재성(Jaesung Ma) ; 김동윤(Dong-Youn Kim) ; 강정화(Junghwa Kang) ; 김영민(Youngmin Kim) ; 류현정(Hyun-jung Ryu) ; 윤동원(Dong Won Yoon) ; 김장목(Jang-Mok Kim) |
| DOI |
https://doi.org/10.5370/KIEE.2025.74.4.614 |
| Keywords |
Dual 3-phase IPMSM; Duplication control; Resolver fault detection |
| Abstract |
This paper presents a method to enhance the reliability of a dual 3-phase IPMSM (Interior Permanent Magnet Synchronous Motor) system with a parallel stator-winding structure by introducing redundancy in the motor, inverter, and rotor position sensors. The system includes two rotors on a single shaft, managed by one speed controller and two current controllers, allowing one motor to compensate if the other fails. Inverter redundancy ensures synchronized control and continued operation if one inverter fails. A sensorless control algorithm is implemented for emergency operation during position sensor failure, using resolver-based hardware and software-based sensorless fault detection. The IF(Current Frequency) - sensorless control method provides stable emergency ? operation both at rest and in motion. The paper also introduces an improved speed controller for smooth transitions, with experimental results validating the algorithm's effectiveness. |