Power battery pack management system and method based on digital twinning

A power battery pack and twinning technology, applied in secondary batteries, secondary battery repair/maintenance, circuits, etc., can solve problems such as application and industrialization are not clear, and achieve good adaptability and data migration effects

Active Publication Date: 2020-04-17
BEIHANG UNIV
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  • Abstract
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Problems solved by technology

As a new method, digital twin has shown great potential in the multi-dimensional and multi-scale control process of the system, but the application and industrialization of this concept are still unclear

Method used

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  • Power battery pack management system and method based on digital twinning
  • Power battery pack management system and method based on digital twinning

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Embodiment Construction

[0032] In order to understand the content of the present invention more clearly, it will be described in detail with reference to the drawings and embodiments.

[0033] The present invention utilizes the digital twin technology, preferably uses a three-level structure to establish a virtual entity for the power battery pack entity, and establishes a digital twin system in a manner of mutual coupling between the physical entity and the virtual entity. By using the rolling optimization method of the twin cloud data platform, the twin cloud data of the running status of the physical entity and the virtual entity can be comprehensively updated online in real time, and the twin cloud data can be processed through the cloud computing system to obtain the entity power battery pack (physical entity) and the twin virtual power. The status and control strategy of the power battery pack under the full life cycle of the battery pack (virtual entity), and interact with the terminal BMS syst...

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Abstract

The invention relates to a power battery pack management system and method based on digital twinning. A digital twin system is established in a mode of coupling a physical entity and a virtual entity;a twinning cloud data platform is used for analyzing a physical entity and a virtual entity through a rolling optimization method; and the twinning cloud data is processed through the cloud computingsystem to obtain the power battery pack states of the entity battery pack and the twinning virtual battery pack in the full life cycle, and the cloud computing system interacts with the terminal BMSsystem to achieve full life cycle management of the power battery pack.

Description

technical field [0001] The invention relates to the technical field of power battery pack management, in particular to a digital twin-based power battery pack management system and method. Background technique [0002] Pure electric vehicles use electric motors as driving devices and are powered by on-board rechargeable power batteries. Among the existing new energy vehicle technologies, it is regarded as a long-term development goal or even the ultimate development goal. At present, the power battery pack used in pure electric vehicles has introduced a battery management system to monitor and control the state of the power battery pack in order to ensure high efficiency and safety during use. [0003] The existing battery management system (Battery Management System, referred to as BMS) monitors and controls the state of the power battery pack based on a preset program framework. However, the power battery pack often presents a nonlinear system during the charging and dis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20H01M10/42
CPCH01M10/42H01M10/425H01M2010/4271H01M2010/4278Y02E60/10
Inventor 杨世春周思达华旸郭斌闫啸宇曹耀光周伟韬
Owner BEIHANG UNIV
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