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Dual battery pack vehicle energy management method, device, apparatus and storage medium

A technology of energy management and battery packs, applied in battery/fuel cell control devices, vehicle energy storage, electric vehicles, etc., can solve the problems of inability to adjust, the characteristics of the main and auxiliary packs cannot be fully utilized, etc.

Active Publication Date: 2019-01-04
氢驰动力科技山西有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For the charge and discharge of the main battery pack and the auxiliary battery pack, that is, the energy management strategy of the dual pack, most of the control strategies are fixed at present and cannot be adjusted with the change of the application scenario, so that the two packs of the main pack and the slave pack Their respective characteristics cannot be fully utilized

Method used

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  • Dual battery pack vehicle energy management method, device, apparatus and storage medium
  • Dual battery pack vehicle energy management method, device, apparatus and storage medium
  • Dual battery pack vehicle energy management method, device, apparatus and storage medium

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Embodiment Construction

[0095] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals denote the same or similar structures in the drawings, and thus their repeated descriptions will be omitted.

[0096] In order to solve the defects of the prior art, the present invention provides a vehicle energy management method with dual battery packs. Combine below figure 1 and figure 2 The vehicle energy management method for dual battery packs provided by the present invention is described. figure 1 It is a flow chart of a vehicle energy management method for dual battery packs according to an embodiment of the present i...

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Abstract

The invention provides a dual battery pack vehicle energy management method, device, apparatus and storage medium. The vehicle comprises a first battery pack and a second battery pack. The vehicle energy management method of the dual battery pack comprises the following steps of: calculating a prediction value corresponding to an influence factor according to an influence factor of a second battery pack and an action function corresponding to the influence factor; calculating a total predicted value for replacing the second battery pack according to the predicted values of the n influence factors and the weight of the n influence factors; if the total predicted value is greater than the first threshold value, the second battery pack is predicted to be replaced within the first time periodthreshold value and the vehicle is brought into the first energy management mode. If the total predicted value is less than the second threshold value, it is predicted that the second battery pack will not be replaced within the first time period threshold value and the vehicle is brought into the second energy management mode. If the total prediction value is greater than or equal to the second threshold and less than or equal to the first threshold, the vehicle is maintained in a previous energy management mode. The system and method of the present invention optimizes energy management.

Description

technical field [0001] The invention relates to the field of electric vehicle battery management, in particular to a vehicle energy management method, device, equipment and storage medium for dual battery packs. Background technique [0002] In existing electric vehicles, two battery packs, primary and secondary, are usually installed to improve the battery life of the electric vehicle. For example, an electric vehicle can include a main battery pack and a secondary battery pack. The main battery pack has a large capacity and high charging and discharging power, and is installed on the vehicle in a fixed manner. It is the main energy source of the electric vehicle; Low power, installed on the vehicle in a quick-change manner, is a secondary energy source for electric vehicles to increase the mileage of the vehicle. [0003] For the charging and discharging of the main battery pack and the secondary battery pack, that is, the energy management strategy of the dual pack, most...

Claims

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Application Information

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IPC IPC(8): B60L58/10B60L58/14B60L58/15
CPCY02T10/70
Inventor 张法明
Owner 氢驰动力科技山西有限公司
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