Control method of transmission gear and motor torque of electric vehicle
A technology for motor torque and electric vehicles, which is applied to the layout of electric vehicles, power plant control mechanisms, and control of driving, etc., can solve problems such as not being well solved, and achieve the effect of reducing power loss.
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[0042] According to the control process of a PHEV vehicle, the implementation of the control method is described;
[0043] Please refer to the accompanying drawings for a further description of the present invention;
[0044] The total mass of the vehicle m = 1800kg, the air resistance coefficient C D =0.34, windward area A=2.4m 2 , wheel rolling radius r=0.299m, transmission efficiency η T = 0.9, rolling resistance coefficient f = 0.015; the maximum power of the motor is 60kW, the rated speed and the maximum speed are 2500 and 5500r / min respectively; the battery is well matched to meet the power demand of the vehicle; the speed ratio of 1st to 5th gear They are 3.73, 1.96, 1.32, 0.95 and 0.76 respectively, and the final reduction ratio is 4.19.
[0045] The specific steps are:
[0046] 1) According to the accelerator pedal opening and the rate of change of the accelerator pedal opening, the driver's acceleration (deceleration) intention is obtained by formulating the vari...
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