CN-117533146-B - Method and device for determining endurance mileage of vehicle, storage medium and electronic equipment

CN117533146BCN 117533146 BCN117533146 BCN 117533146BCN-117533146-B

Abstract

The disclosure relates to a method, a device, a storage medium and electronic equipment for determining a vehicle range, wherein the method comprises the steps of obtaining the accumulated running range, running speed, output power and residual electric quantity of a vehicle, determining the energy consumption distribution proportion of first energy consumption of a first preset mileage of the vehicle according to the running speed and output power obtained at the current moment, the running speed and output power obtained at the last adjacent moment and the interval time between the current moment and the last adjacent moment when the accumulated running range is larger than a preset mileage threshold, determining the second energy consumption of the first preset mileage according to the expected value and standard deviation of the energy consumption distribution proportion of the first energy consumption, and determining the range of the vehicle according to the residual electric quantity and the second energy consumption. By filtering the real-time energy consumption of the vehicle, the accuracy of the calculation of the energy consumption of the vehicle is improved, and the method is beneficial to more accurately determining the actual endurance mileage of the vehicle.

Inventors

HOU RONG
ZHANG ZHENHUA
SHI SHUMEI
QIAO ZHENMEI
TENG YUSONG
ZHANG RUI
CHANG TINGTING

Assignees

北汽福田汽车股份有限公司

Dates

Publication Date: 20260508
Application Date: 20220801

Claims (6)

1. A method of determining a range of a vehicle, the method comprising: Acquiring accumulated driving mileage, driving speed, output power and residual electric quantity of a vehicle; Determining the driving mileage of the vehicle in the interval time according to the driving speed at the current moment, the driving speed at the last adjacent moment and the interval time between the current moment and the last adjacent moment; Determining third energy consumption of the vehicle in the interval time according to the output power of the current moment, the output power of the last adjacent moment and the interval time; Under the condition that the accumulated driving mileage is larger than a preset mileage threshold, determining fourth energy consumption of each second preset mileage in a first preset mileage of the vehicle according to the driving mileage in the interval time and third energy consumption in the interval time, wherein the second preset mileage is smaller than the first preset mileage; Determining an energy consumption distribution proportion of the first energy consumption of the first preset mileage according to the second preset mileage and the fourth energy consumption; determining a filter coefficient according to the expected value and standard deviation of the energy consumption distribution proportion of the first energy consumption through a normal distribution probability calculation formula; Filtering the first energy consumption through the filter coefficient and a preset normal distribution filter formula, and determining a second energy consumption of the first preset mileage; and determining the endurance mileage of the vehicle according to the residual electric quantity and the second energy consumption.
2. The method of claim 1, wherein the determining the range of the vehicle based on the remaining power and the second energy consumption comprises: acquiring the ratio of the residual electric quantity to the second energy consumption; and determining the endurance mileage of the vehicle through the product of the ratio and the first preset mileage.
3. The method according to claim 1, wherein the method further comprises: Under the condition that the accumulated driving mileage is smaller than or equal to a preset mileage threshold value and larger than a third preset mileage, determining fifth energy consumption of the third preset mileage according to the driving mileage in the interval time and the third energy consumption in the interval time, wherein the third preset mileage is smaller than the preset mileage threshold value; Determining the endurance mileage of the vehicle according to the third preset mileage, the fifth energy consumption and the residual electric quantity; And under the condition that the accumulated driving mileage is smaller than or equal to the third preset mileage, determining the driving mileage of the vehicle according to the nominal hundred kilometers energy consumption and the residual electric quantity of the vehicle.
4.An apparatus for determining a range of a vehicle, the apparatus comprising: the acquisition module is used for acquiring the accumulated driving mileage, the driving speed, the output power and the residual electric quantity of the vehicle; The calculation module is used for determining the driving distance of the vehicle in the interval time according to the driving speed of the current moment, the driving speed of the last adjacent moment and the interval time of the current moment and the last adjacent moment, determining the third energy consumption of the vehicle in the interval time according to the output power of the current moment, the output power of the last adjacent moment and the interval time, determining the fourth energy consumption of each second preset mileage in the first preset mileage of the vehicle according to the driving mileage in the interval time and the third energy consumption in the interval time under the condition that the accumulated driving mileage is larger than a preset mileage threshold value, wherein the second preset mileage is smaller than the first preset mileage, and the first preset mileage is smaller than or equal to the preset mileage threshold value; The filtering module is used for determining a filtering coefficient according to the expected value and standard deviation of the energy consumption distribution proportion of the first energy consumption through a normal distribution probability calculation formula; And the determining module is used for determining the endurance mileage of the vehicle according to the residual electric quantity and the second energy consumption.
5. An electronic device, comprising: A memory having a computer program stored thereon; A processor for executing the computer program in the memory to carry out the steps of the method of any one of claims 1-3.
6. A vehicle, characterized in that it comprises an electronic device according to claim 5.

Description

Method and device for determining endurance mileage of vehicle, storage medium and electronic equipment Technical Field The present disclosure relates to the field of calculating vehicle mileage, and in particular, to a method, an apparatus, a storage medium, and an electronic device for determining a vehicle range. Background With the advent of more and more new energy vehicles, determining the range of the new energy vehicle has become an important issue. The existing driving mileage algorithm adopts staged SOC (state of charge) to carry out different treatments, when the SOC is higher, the calculation method takes the SOC as a proportion, the calculated real-time driving mileage and the nominal mileage are output in proportion, and in the later stage of the lower SOC, the actual measurement distance output is carried out according to the real-time electricity consumption. Because the algorithm for calculating the vehicle endurance mileage in the prior art adopts a display strategy which is only reduced, if the power consumption of the previous period is large, the mileage is reduced too fast, and the power consumption of the current period is small, when the actual mileage is increased, the output instrument displays the previous period of the mileage, and calculates the actual mileage in the background, and when the actual mileage is equal to the displayed mileage of the instrument, the endurance mileage is continuously changed according to the real-time power consumption calculation. The calculation method of the mode causes larger fluctuation of hundred kilometers of electricity consumption, and the calculated driving mileage correspondingly fluctuates, and the phenomenon of mileage output platformization exists because the display strategy is only reduced, namely the problem that the vehicle actually travels a certain distance and the display is unchanged, so that the actual driving mileage of the vehicle cannot be displayed. Disclosure of Invention In order to solve the problems, the present disclosure provides a method, a device, a storage medium and an electronic apparatus for determining a range of a vehicle. In a first aspect, the disclosure provides a method for determining a vehicle range, the method comprising obtaining an accumulated driving range, a driving speed, an output power and a residual electric quantity of a vehicle, determining an energy consumption distribution proportion of a first energy consumption of a first preset driving range of the vehicle according to the driving speed and the output power at a current moment, the driving speed and the output power at a last adjacent moment and the interval time between the current moment and the last adjacent moment when the accumulated driving range is larger than a preset driving range threshold, determining a second energy consumption of the first preset driving range according to an expected value and a standard deviation of the energy consumption distribution proportion of the first energy consumption, and determining the range of the vehicle according to the residual electric quantity and the second energy consumption. Optionally, the determining the energy consumption distribution ratio of the first energy consumption of the first preset mileage of the vehicle according to the running speed and the output power obtained at the current moment, the running speed and the output power obtained at the last adjacent moment and the interval time between the current moment and the last adjacent moment when the accumulated running mileage is greater than the preset mileage threshold value comprises determining the running mileage of the vehicle in the interval time according to the running speed at the current moment, the running speed at the last adjacent moment and the interval time between the current moment and the last adjacent moment, determining the third energy consumption of the vehicle in the interval time according to the output power at the current moment, the output power at the last adjacent moment and the interval time, and determining the energy consumption distribution ratio of the first energy consumption according to the running mileage in the interval time and the third energy consumption in the interval time when the accumulated running mileage is greater than the preset mileage threshold value. Optionally, when the accumulated driving distance is greater than a preset distance threshold, determining the energy consumption distribution proportion of the first energy consumption according to the driving distance in the interval time and the third energy consumption in the interval time includes determining the fourth energy consumption of each second preset distance in the first preset distance according to the driving distance in the interval time and the third energy consumption in the interval time, wherein the second preset distance is smaller than the first preset distance, and determining the energy consumption d