August 27, 2017 to September 1, 2017
RAI Congress Center, Amsterdam, The Netherlands
Europe/Amsterdam timezone

Study on Counter-rotating Dual Rotors Radial Permanent Magnet Motor for underwater vehicle Propulsion

Aug 28, 2017, 5:30 PM


Regular 15 minutes Oral Presentation E1 - Motors Mon-Af-Or8


Prof. Guangwei Liu (Shenyang University of Technology)


A novel Permanent-magnet Machine with Counter-rotating Dual Rotors (PMCDR) is proposed in order to improve operation performance of underwater vehicle anti-rotation propulsion system. It can be substantially simplify system structure, decrease volume, reduce mass and cost, moreover, improve reliability without brush and slip-ring. The idea and principle of electromagnetic design are provided in order to meet power angle characteristic corresponding to uniform or similar between Inner Rotor Permanent-magnet Machine Unit (IRPMU) and Outer Rotor Permanent-magnet Machine Unit (ORPMU). Magnetic field, Stator yoke flux density , air gap flux density, inductance, no-load back-EMF and torque angle characteristic are obtained through the finite element method. A prototype has been designed, built, and tested. The method of detecting no-load back-EMF with search coils is proposed. The validity is verified by FEA results and experimental measurements.

Submitters Country P. R. of China

Primary authors

Prof. Guangwei Liu (Shenyang University of Technology) Mr Qiu Guohua (Shenyang University of Technology) Prof. Shi Jin (Shenyang University of Technology) Prof. Zhang Fengge (Shenyang University of Technology)

Presentation materials