WASET
    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 28 March 2024]. Available from: https://publications.waset.org/pdf/7138.