@article{rotorthermalmonitoringschemefordirect,
  title = {Rotor Thermal Monitoring Scheme for Direct-Torque-Controlled Interior Permanent Magnet Synchronous Machines via High-Frequency Rotating Flux or Torque Injection},
  author = {Shen Zhang and Sufei Li and Lijun He and Jose A. Restrepo and Thomas G. Habetler},
  year = {2021},
  eprint = {2106.02116},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2106.02116v3},
}