Segments number design of the complementary magnetic-geared dual-rotor motors

Magnetic-geared dual-rotor motor (MGDRM) has been considered as a promising candidate of the power-split device in the hybrid electric vehicle (HEV). Essentially, MGDRM is a pure electrical component without gears, so the lubrication system can be canceled, and its lifetime can also perform well. However, current series-parallel powertrain for HEVs is dominated by the Toyota Hybrid System (THS). This is because the design principle of the MGDRM has not been fully transformed to a practical technology. This paper performs as an analysis and application of the segments number design of the complementary MGDRM. Complementary structure has been proposed to improve the performance of MGDRM. In this paper, more detailed discussion of the complementary structure will be made. A prototype machine is also fabricated for experimental validation of the proposed MGDRM.