Comparative Research on Topologies of Contra-Rotating Motors for Underwater Vehicles

B Cheng, S Pang, H Ou, Z Hu, Z Mao - Journal of Marine Science and …, 2023 - mdpi.com
Underwater vehicles have been widely used in marine exploration and development. A
contra-rotating propeller (CRP) can improve propulsion efficiency, eliminate the roll moment …

Analysis and experimental verification of transverse‐dislocated magnetic‐field modulated brushless contra‐rotating machine

Y Wang, Y Sui, G Liu, X Liang… - IET Electric Power …, 2023 - Wiley Online Library
The contra‐rotating machine (CRM) has been a preferable selection of the contra‐rotating
propulsion system (CRPS) owing to its high efficiency, high compactness, and low noise …

Introducing Analytical Formulas for Calculating Back EMF of the Contra-Rotating Double-Rotor Axial Flux Permanent Magnet Synchronous Machine

E Rahimi Namaghi, HR Izadfar - Electric Power Components and …, 2023 - Taylor & Francis
Back electromagnetic force (back EMF) is one of the most significant performance
characteristics of the machine which significantly affects the machine current, efficiency …