Vehicle acceleration condition motor order noise test method based on rotating hub forward towing condition

The invention belongs to the technical field of automobile noise testing, and particularly relates to a whole vehicle acceleration condition motor order noise testing method based on a rotating hub forward dragging condition. A test vehicle is fixed on a rotating hub dynamometer, left and right ears of all passengers in the vehicle are respectively provided with a microphone, the test vehicle is arranged at a D gear, and a driver controls the opening degree of an accelerator pedal from 10% to 100% at equal intervals of 10%. Obtaining a trend chart of the torque changing along with the rotating speed of the driving motor at each measuring point under different accelerator opening degrees, a trend chart of the order noise changing along with the rotating speed of the driving motor at each measuring point under different accelerator opening degrees, and an order noise Map chart in which the X axis is the rotating speed of the motor, the Y axis is the motor torque and the Z axis is the amplitude of the order nois