A method for power distribution of electric vehicle composite power supply system
A technology of electric vehicle and composite power supply, which is applied in the field of composite power supply system of electric vehicles, to achieve the effect of reducing charging and discharging current and optimal distribution effect
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[0018] Now in conjunction with accompanying drawing, the patent of the present invention is described in detail as follows:
[0019] as attached figure 1 As shown, the present invention provides a layered fuzzy control method for a composite power supply system of an electric vehicle. Specifically, the method includes a supercapacitor, a storage battery, a bidirectional DC / DC converter, an energy management fuzzy controller and a drive system. The implementation steps are as follows:
[0020] Step 1: Collect relevant data inside the car
[0021] as attached figure 1 As shown, the state of charge of the battery inside the car and the state of charge of the supercapacitor as well as the current of the battery during the operation of the electric car and the required power of the load connected to the drive system are obtained during the operation of the electric vehicle.
[0022] According to the battery current of the electric vehicle running, the battery current target diff...
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