A motor torque zero-crossing anti-shake control method for new energy vehicles
A new energy vehicle and motor torque technology, applied in the control of drive, control devices, vehicle components, etc., can solve the problems of limited jitter effect, weakening speed fluctuation and torque shock, and excessive control time period, so as to improve driving comfort. The effect of smoothness, reducing the loss of motor parts, and improving the driving experience
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[0049]Step 1: The torque request command from the ride controller unit VCU or the torque request command from other control terminals is sent to the motor controller PEU, combined with the existing torque zero-crossing identification algorithm to determine whether it is a torque zero-crossing condition, and if so, execute Step 2, otherwise, the output torque is equal to the requested torque, and continues to be in step 1, and the zero-crossing condition is monitored in real time;
[0050] Step 2: Confirm that it belongs to the torque zero-crossing condition. The torque slope of 100Nm / s is used to limit the response speed of the output torque following the torque command within 0.1 seconds of the set time. The limited output torque cannot exceed the requested torque, and then go to step 3;
[0051] Step 3: Determine whether the torque zero-crossing condition occurs again in the requested torque command within the time limit of the torque output slope, and if so, go back to Step ...
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