@ARTICLE{
author={Ortega Romeo,Yi Bowen,Vukosavic Slobodan N,Nam Kwanghee,Choi Jongwon},
year={2021},
title={A globally exponentially stable position observer for interior permanent magnet synchronous motors},
journal={AUTOMATICA},
volume={125},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Yi Bowen,Vukosavic Slobodan N,Ortega Romeo,Stankovic Aleksandar M,Zhang Weidong},
year={2020},
title={A new signal injection-based method for estimation of position in interior permanent magnet synchronous motors},
journal={IET POWER ELECTRONICS},
volume={13},
number={9},
pages={1865-1874},
document_type={Article},
}