Electric vehicle remaining driving range estimation method and device, storage medium and equipment

A driving range, electric vehicle technology, applied in electric vehicles, battery/fuel cell control devices, vehicle energy storage, etc., can solve problems such as misleading user itinerary planning, difference, range anxiety, etc.

Active Publication Date: 2020-06-02
SHANDONG UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the main method for estimating the remaining driving range of electric vehicles is to construct a simple linear relationship between the battery SOC and the remaining driving range. In fact, the energy consumption of electric vehicles is greatly affected by factors such as driving style, driving road and road cond...

Method used

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  • Electric vehicle remaining driving range estimation method and device, storage medium and equipment
  • Electric vehicle remaining driving range estimation method and device, storage medium and equipment
  • Electric vehicle remaining driving range estimation method and device, storage medium and equipment

Examples

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Embodiment 1

[0091] The implementation of the present invention provides a method for estimating the remaining mileage of an electric vehicle, such as figure 1 As shown, the method includes:

[0092] S100: Obtain the remaining available power of the battery in real time.

[0093] During the driving of the electric vehicle, the on-board terminal collects the SOC information of the remaining power of the vehicle in real time, and reads the state of charge of the battery management system through the CAN bus.

[0094] The state of charge (SOC) refers to the ratio of the remaining capacity of the battery to the capacity of the fully charged state after it has been used for a period of time or left unused for a long time, expressed as a percentage, and its value ranges from 0 to 1. When SOC=0 When SOC=1, it means the battery is fully discharged, and when SOC=1, it means the battery is fully charged. According to the SOC information, the remaining available power of the battery can be calculat...

Embodiment 2

[0152] An embodiment of the present invention provides a device for estimating the remaining driving range of an electric vehicle, such as image 3 As shown, the device includes:

[0153] The available power acquisition module 10 is configured to acquire the remaining available power of the battery in real time.

[0154] The unit mileage power consumption acquisition module 20 is used to obtain the unit mileage power consumption according to the road grade of the travel route, the degree of congestion and the driving style of the driver.

[0155] The remaining mileage calculation module 30 is used to calculate the remaining mileage according to the remaining available power of the battery and the power consumption per unit mileage.

[0156] The invention comprehensively analyzes the influence law of the driving style of the driver, the road grade of the planned itinerary and the real-time congestion degree of the road condition on the energy consumption of the itinerary, and ...

Embodiment 3

[0193] The method described in the above-mentioned embodiment 1 provided in this specification can implement business logic through a computer program and record it on a storage medium, and the storage medium can be read and executed by a computer to achieve the effect of the solution described in embodiment 1 of this specification. Therefore, the present invention also provides a computer-readable storage medium for estimating the remaining mileage of an electric vehicle, including a memory for storing processor-executable instructions. When the instructions are executed by the processor, the remaining mileage of the electric vehicle including Embodiment 1 The steps of the mileage estimation method.

[0194]The invention comprehensively analyzes the influence law of the driving style of the driver, the road grade of the planned itinerary and the real-time congestion degree of the road condition on the energy consumption of the itinerary, and quantitatively predicts the power c...

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PUM

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Abstract

The invention discloses an electric vehicle remaining driving range estimation method and device, a storage medium and equipment, and belongs to the field of electric vehicles. The method comprises the following steps: acquiring the remaining available power of a battery in real time; acquiring unit mileage power consumption according to the road grade and congestion degree of a travel path and the driving style of a driver; and calculating the remaining driving range according to the remaining available power and unit mileage power consumption of the battery. The influence rule of the drivingstyle of the driver, the road grade of a planned travel and the real-time congestion degree of the road condition on the travel energy consumption is comprehensively analyzed, and the unit mileage power consumption in the driving process of the electric vehicle is quantitatively predicted. According to the invention, the remaining driving range estimation method fusing the pedestrian, vehicle androad information is adopted, and more comprehensive factors are considered, so that the remaining driving range of the electric vehicle can be calculated more accurately, and the mileage anxiety of auser can be relieved.

Description

technical field [0001] The invention relates to the field of electric vehicles, in particular to a method, device, computer-readable storage medium and equipment for estimating the remaining mileage of an electric vehicle. Background technique [0002] Facing the increasingly severe energy crisis and environmental pollution, electric vehicles are being widely used due to their advantages of low energy consumption and zero emission. The low energy density and high cost of electric vehicle power batteries make it difficult to increase the driving range, which is also the main reason for limiting the promotion of electric vehicles. The remaining mileage of an electric vehicle refers to the mileage that can be driven when the power is lower than 100% during actual driving. Accurately predicting the remaining mileage of a vehicle is a prerequisite for guiding users to travel. [0003] At present, the remaining mileage estimation method mainly used by electric vehicles is to cons...

Claims

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Application Information

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IPC IPC(8): B60W40/00B60W40/06B60W40/09B60L58/12
CPCB60W40/00B60W40/06B60W40/09B60L58/12Y02T10/70
Inventor 郭栋郑文欣李超超高松李春栋杨坤徐艺邹志远闫伟郝玉娇
Owner SHANDONG UNIV OF TECH
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