According to Automotive News website Autoblog reports, in the 29th session of the world assembly of electric vehicles, electric drive innovation conference and Exhibition (EVS29), scientists and engineers have again focused on infinity in wheel motor (wireless an motor), the technology or cause future electric vehicles without the need of a battery.
Previously, the media have a large number of reported technology hub motor, wheel mounted motor technology, it is the biggest characteristic is power device, a transmission device and a braking device are integrated together to the wheel hub, will be greatly simplifies the mechanical parts of the electric vehicle. In addition to this obvious advantage, the hub motor can also achieve more complex driving mode, more convenient to re energy vehicles.
But now learning community for in wheel motor still exist some questions, for example, spring quality and hub of the moment of inertia will increase, affect the vehicle's control; moreover, motor efficiency will doubt, especially in the harsh environment of in wheel motor performance still need further testing.
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