Gu Shan-Mao and He Feng-You and Ye Sheng-Wen and Ma Zhi-Xun, Study on Position Polarity Compensation for Permanent Magnet Synchronous Motor Based on High Frequency Signal Injection. journal = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. October 2009, vol. 34(10). 1852 - 1856 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/7138.