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Battery hardware-in-the-loop simulation test method and system

A simulation test and battery technology, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve the problem of not being able to reflect the influence of temperature on the battery, and achieve fast calculation speed, small calculation amount, and simplified thermal field Effect

Active Publication Date: 2018-02-09
SHANGHAI KELIANG INFORMATION ENG
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

This simulation method cannot reflect the influence of temperature on battery operation in the cycle test

Method used

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  • Battery hardware-in-the-loop simulation test method and system
  • Battery hardware-in-the-loop simulation test method and system
  • Battery hardware-in-the-loop simulation test method and system

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, various embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. However, those of ordinary skill in the art can understand that, in each implementation manner of the present invention, many technical details are provided for readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in each claim of the present application can be realized.

[0023] The first embodiment of the present invention relates to a battery hardware-in-the-loop simulation test method, the specific process is as follows figure 1 shown, including the following steps:

[0024] Step 101, establishing a one-dimensional battery thermal model; wherein, the heat energy generated by the battery o...

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Abstract

The invention relates to the technical field of battery simulation, and discloses a battery hardware-in-the-loop simulation test method and system. In the present invention, the hardware-in-the-loop simulation test method of the battery includes the following steps: establishing a one-dimensional battery thermal model; wherein, the heat energy generated by the battery operation is evenly distributed inside the battery body; the heat energy generated by the battery operation is coupled with the battery equivalent circuit for operation ; Calculate the battery temperature based on the heat energy generated by the battery operation, atmospheric temperature and air flow. In this way, not only can it effectively reflect the real operating conditions of the battery, but also, the calculation speed is fast, the memory occupation is small, and the temperature change of the battery can be output to the battery management system in real time.

Description

technical field [0001] The invention relates to the technical field of battery simulation, in particular to a battery hardware-in-the-loop simulation test method and system. Background technique [0002] Batteries have different operating effects at different temperatures. Too low temperature will seriously affect the discharge capacity of the battery. Although high temperature can increase the electrochemical reaction speed and improve the operation of the battery, the life of the battery will increase due to the increase in temperature. Corrosion accelerates the battery aging process. The temperature change of the battery is caused by the operation of the battery and the external environment. Therefore, it is very important for the battery management system to predict the temperature profile of the battery and how the temperature change of the battery will affect the operation of the battery. [0003] At present, finite element software, such as ANSYS or COMSOL, can be u...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/36
Inventor 邹毅军
Owner SHANGHAI KELIANG INFORMATION ENG
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