Method for determining remaining range of vehicle, computer device, and computer-readable storage medium

Patent metadata

Field	Value
Publication number	US-12539786-B2
Application number	US-202117790290-A
Country	US
Kind code	B2
Filing date	Apr 28, 2021
Priority date	Apr 30, 2020
Publication date	Feb 3, 2026
Grant date	Feb 3, 2026

Abstract

A method for determining a remaining range of a vehicle, including: determining a remaining range of the vehicle driven depending on a current residual energy of a power battery, determining a remaining range of the vehicle driven depending on a current residual energy of a fuel cell, and determining a remaining range of the vehicle driven depending on a recuperated energy when an energy recuperation function of the vehicle is activated; and determining the remaining range of the vehicle based on the aforesaid remaining ranges of the vehicle. According to this method of the present disclosure, the remaining range of the vehicle may be accurately reflected, and it is more convenient for a user to schedule a vehicle trip.

First claim

What is claimed is:

1 . A method for determining a remaining range of a vehicle, performed by a computer device, comprising:
determining a remaining range of the vehicle driven depending on a current residual energy of a power battery, determining a remaining range of the vehicle driven depending on a current residual energy of a fuel cell, and determining a remaining range of the vehicle driven depending on a recuperated energy when an energy recuperation function of the vehicle is activated; and determining the remaining range of the vehicle, based on the remaining range of the vehicle driven depending on the current residual energy of the power battery, the remaining range of the vehicle driven depending on the current residual energy of the fuel cell of the vehicle, and the remaining range of the vehicle driven depending on the recuperated energy when the energy recuperation function of the vehicle is activated, wherein a result of the determining of the remaining range of the vehicle is output by the computer device to a display of the vehicle or to a user, wherein said determining the remaining range of the vehicle driven depending on the current residual energy of the power battery comprises:
obtaining a difference value between the current residual energy of the power battery of the vehicle and a reserved energy of a high-voltage electrical component of the vehicle;
obtaining a first average vehicle speed and a first average driving power of the vehicle driven depending on the current residual energy of the power battery;
obtaining a first consumed power of the high-voltage electrical component in a driving process of the vehicle driven depending on the current residual energy of the power battery; and
determining the remaining range of the vehicle driven depending on the current residual energy of the power battery, based on the difference value, the first average vehicle speed, the first average driving power and the first consumed power of the high-voltage electrical component.

2 . The method according to claim 1 , wherein said obtaining the first average vehicle speed, the first average driving power, and the first consumed power comprises:
obtaining a preset number of first time durations and at least one of parameters in each of the preset number of first time durations according to the first average vehicle speed and the first average driving power of the vehicle and the first consumed power of the high-voltage electrical component, wherein the parameters comprise: a vehicle moving distance, a first ratio factor reflecting a condition of allocation of driving powers of the power battery and the fuel cell, an energy consumption of a first drive motor of the vehicle, and an energy consumption of the first high-voltage electrical component; determining the first average vehicle speed based on the preset number of first time durations, the travel distance of the vehicle, and the first ratio factor; determining the first average driving power based on the preset number of first time durations, the energy consumption of the first drive motor, and the first ratio factor; and determining the first consumed power based on the preset number of first time durations, the energy consumption of the first high-voltage electrical component, and the first ratio factor.

3 . The method according to claim 1 , wherein said determining the remaining range of the vehicle driven depending on the current residual energy of the power battery comprises:
obtaining a second ratio factor reflecting the condition of allocation of the driving powers of the power battery and the fuel cell currently; and determining the remaining range of the vehicle driven depending on the current residual energy of the power battery according to a formula expressed as:

the
⁢

remaining
⁢

range
⁢

of
⁢

the
⁢

vehicle

driven
⁢

depending
⁢

on
⁢

the
⁢

current
⁢

residual
⁢

energy
⁢

=

the
⁢

difference
⁢

value
*
the
⁢

first
⁢

average
⁢

vehicle
⁢

speed

the
⁢

second
⁢

ratio
⁢

factor
*
the
⁢

first
⁢

average
⁢

driving
⁢

power

+

the
⁢

first
⁢

c
⁢
omsumed
⁢

power

.

4 . The method according to claim 1 , wherein said determining the remaining range of the vehicle driven depending on the current residual energy of the fuel cell of the vehicle comprises:
obtaining the current residual energy of the fuel

Assignees

• Great Wall Motor Co Ltd

Inventors

• Wu Maiqing
• Li Lei
• Lu Na
• Hao Yang
• Zhou Mingwang

Classifications

• B60L2260/54

  Energy consumption estimation · CPC title

• B60L2260/52

  drive range estimation, e.g. of estimation of available travel distance · CPC title

• B60L2240/12

  Speed · CPC title

• B60L58/30

  for monitoring or controlling fuel cells · CPC title

• B60L58/13 Primary

  Maintaining the SoC within a determined range · CPC title