Pure electric vehicle torque safety on-line monitoring method

The invention discloses a pure electric vehicle torque safety on-line monitoring method, which comprises the following steps: a motor controller detects the relevant parameters of the process of executing the torque by a drive motor at real time, estimates the actual output torque value of the drive motor, compares and monitors the obtained estimated torque, and timely feeds back the compared result to a vehicle controller; and the vehicle controller adopts corresponding protective measures, so as to ensure the safe and reliable operation of the electric vehicle.