According to an electric energy supplementing method for an electric vehicle, the probability that the electric vehicle travels to each chargeable or battery replacing area by utilizing the current residual energy is calculated by utilizing a statistical mode, the traveling path for the electric vehicle to travel to a charging and battery replacing facility can be rapidly planned, and it is ensured that the vehicle can still normally arrive even under the condition that the electric quantity is low. The probability density difference obtained under the conditions of different environment temperatures, loads, traffic road conditions and the like is considered, so that the method provides higher adaptability. The calculation cost required by the method based on statistics is relatively low, and the method has relatively high precision. The braking energy recovery function is fully utilized in path planning, smooth arrival of the vehicle is further guaranteed, and normal use of other electric appliances on the vehicle can be maintained.
一种电动汽车电能补充方法,其利用统计方式计算电动汽车利用当前剩余能量行驶至各个可充电或换电区域的概率大小,能够较为快速地规划出行驶至充换电设施的行车路径,保证车辆即使在电量较低的情况下仍可正常到达。考虑了不同环境温度、载荷以及交通路况等条件下所得到的概率密度差异,使方法提供了更强的自适应性。基于统计的方法所需的计算成本相对较低,且具有较高的精度。在路径规划中充分利用制动能量回收功能,进一步保障车辆顺利到达,并可维持车上其他用电器的正常使用。
Electric energy supplementing method for electric vehicle
一种电动汽车电能补充方法
2021-09-28
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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