Title :
Transmission torque characteristics in a magnetic gear
Author :
Niguchi, Noboru ; Hirata, Katsuhiro ; Muramatsu, Masari ; Hayakawa, Yuichi
Author_Institution :
Dept. of Adaptive Machine Syst., Osaka Univ., Suita, Japan
Abstract :
This paper describes the transmission torque characteristics in a surface permanent magnet-type (SPM-type) magnetic gear. The operating principle of this gear and its transmission torque under the synchronous operation in accordance with the gear ratio are formulated. And the high-order components contained in the cogging torque are verified by employing the 3-D finite element method (FEM) and carrying out measurements on a prototype. Furthermore, a method for reducing the cogging torque is discussed.
Keywords :
finite element analysis; gears; permanent magnet machines; torque; 3-D finite element method; cogging torque; magnetic gear; surface permanent magnet; synchronous operation; transmission torque characteristics; Forging; Gears; Magnetic flux; Prototypes; Rotors; Torque; Torque measurement; 3-D finite element method; cogging torque; magnetic gear; skew;
Conference_Titel :
Electrical Machines (ICEM), 2010 XIX International Conference on
Conference_Location :
Rome
Print_ISBN :
978-1-4244-4174-7
Electronic_ISBN :
978-1-4244-4175-4
DOI :
10.1109/ICELMACH.2010.5608143
