Electric vehicle endurance mileage pre-estimation method

A technology for cruising range and electric vehicles, which is applied in the direction of electric vehicles, electrical devices, vehicle components, etc., can solve the problems of vehicle performance complaints, inaccurate cruising range, complex and difficult cruising range, etc., and achieve the effect of accurate cruising range

Inactive Publication Date: 2018-11-16
HANTENG AUTOMOBILE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the continuous development of society and the strong support of national policies, the development of electric vehicles has ushered in a blowout stage. The storable energy of batteries is getting higher and higher, and the cruising range of vehicles is also getting longer and longer. It is more c

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  • Electric vehicle endurance mileage pre-estimation method
  • Electric vehicle endurance mileage pre-estimation method
  • Electric vehicle endurance mileage pre-estimation method

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Embodiment Construction

[0016] The specific implementation manner of the present invention will be described in further detail below by describing the best embodiment with reference to the accompanying drawings.

[0017] Currently, using the product of the theoretical cruising range and the remaining battery percentage to estimate the cruising range is a relatively simple but unreasonable calculation method. It cannot reflect the status of each car, the owner's usage habits, and the battery's wear and tear status to predict the cruising range. , and its error value is large.

[0018] The present invention detects the real-time remaining power of the battery and the health of the battery, combines the real-time health of the battery, the driving habits of different drivers, and the performance of comprehensive factors such as energy output under different road conditions in terms of voltage and current. The voltage battery value is collected, processed and analyzed, and finally a reasonable estimate o...

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Abstract

The invention discloses an electric vehicle endurance mileage pre-estimation method. The electric vehicle endurance mileage pre-estimation method comprises the steps of (1) calculating instantaneous energy consumption by monitoring and recording voltage and current output values of a vehicle in real time; (2) calculating average energy consumption within a unit mileage by accumulating the instantaneous energy consumption; and (3) calculating the endurance mileage by using the remaining capacity of a battery and the average energy consumption. The electric vehicle endurance mileage pre-estimation method has the advantages that the remaining endurance mileage is more accurately reflected; the calculated endurance mileage considers factors such as different states of the vehicle, driving habit of a vehicle owner and battery loss; the average energy consumption is calculated through the change of the voltage and the current output by the battery due to these factors; and therefore, the running states of the vehicle are more accurately shown so that the endurance mileage is more accurately pre-estimated.

Description

technical field [0001] The invention relates to the field of calculating the cruising range of a vehicle, in particular to a method for estimating the cruising range of an electric vehicle. Background technique [0002] With the continuous development of society and the strong support of national policies, the development of electric vehicles has ushered in a blowout stage. The storable energy of batteries is getting higher and higher, and the cruising range of vehicles is also getting longer and longer. It is more complicated and difficult to accurately estimate the cruising range of the battery due to various factors such as driving conditions, customer usage habits, and natural battery loss. Often, inaccurate cruising range will cause customers to complain about the performance of the vehicle and affect its promotion. . Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a method for estim...

Claims

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Application Information

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IPC IPC(8): B60L3/12
CPCB60L3/12B60L2240/54B60L2260/44B60L2260/52
Inventor 王袁明王根党董明沈长海刘志勇郭亚玲吴马飞梁萌
Owner HANTENG AUTOMOBILE CO LTD
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