ELECTRIC VEHICLE SYSTEM TO REDUCE VIBRATION

DRIVE March 19, 2026
Source
An electrified vehicle includes an electrified powertrain including a battery system configured to power an electric traction motor to generate drive torque, a frame supporting the electric traction motor, a steering wheel, and a thermal system configured to provide cooling to the electrified vehicle. The thermal system includes a coolant loop with an electric compressor. The electric traction motor includes roll, pitch, and yaw rotational modes corresponding to an X-Y-Z coordinate system. The electric compressor is configured to generate axial force in an axial direction and radial forces in a radial direction. The electric compressor is coupled to the electric traction motor such that the axial direction is aligned with the Z-axis that corresponds to the yaw rotational mode to thereby excite the yaw rotational mode of the electric traction motor, which reduces vibrational output to the steering wheel.

Discussion in the ATmosphere

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