Prediction method of driving mileage of electric car

Abstract

The invention relates to a prediction method of the driving mileage of an electric car. The prediction method comprises the steps that the traveling mileage of the electric car is obtained; a first SOC difference value of the traveling mileage of the electric car is obtained; a first SOC value during initial charging of the electric car is obtained; a calculation model of the driving mileage is established according to the traveling mileage, the first SOC difference value and the first SOC value; and the driving mileage is obtained according to the calculation model of the driving mileage. According to the prediction method of the driving mileage, calculation is conducted according to the actual condition, the prediction method conforms to the actual application situation of the electric car, the prediction method is high in accuracy rate, timely and accurate data can be provided for a car owner, and the using situation of the electric car is mastered conveniently by the car owner in time so as to avoid the situation that the car owner cannot master the actual driving mileage of the electric car and consequently generates anxious emotion.

Description

Technical field [0001] The invention belongs to the technical field of electric vehicles, and specifically relates to a method for predicting the cruising range of an electric vehicle. Background technique [0002] In 1881, the world's first electric car powered by rechargeable batteries appeared on the streets of Paris, France. Later, due to the rise of internal combustion engine cars, electric cars almost disappeared. However, in the 21st century, as the importance of “energy security” and “environmental protection” has gradually been valued by the state, electric vehicles have begun to rise again. [0003] There are two main types of existing electric vehicles, one is pure electric vehicles; the other is hybrid vehicles (plug-in hybrid vehicles). Existing electric vehicles mainly reflect the cruising range and remaining power of electric vehicles through the remaining cruising range and remaining power (SOC, State Of Charge) displayed on the instrument. Among them, SOC refers ...

AI Technical Summary

Problems solved by technology

[0004] However, the existing electric vehicles generally only give the cruising range and the maximum cruising range under working conditions, without considering the impact of the driving temperature, driving road section or the driving habits of the owner on the cruising range of the electric vehicle, resulting in the remaining mileage displayed by the electric vehicle. There is a big gap between the cruising range and the actual driving range of the car owner, so that the car owner cannot accurately judge the actual usage of the electric car owner

Images