Test equipment and test method of battery management system
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United States of America Patent
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Dec 26, 2023
Grant Date -
N/A
app pub date -
Jul 27, 2021
filing date -
Jul 31, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
Test equipment for a battery management system is provided. A battery-parameter recognition module measures a standard battery to obtain the first correction input, and uses the capacity test formula and the relaxation time test formula to perform a first charge and discharge test on the battery to be tested to obtain first battery parameter. A real-time simulation module determines the battery model and the simulated battery state based on the first battery parameter and the dynamic load. Each simulator of a physical signal simulation module provides a battery physical signal indicating the battery model. A connector provides the battery physical signal to the battery management controller under test. The battery management controller under test provides a stimulated battery state based on the battery physical signal. Master equipment compares the simulated battery state with an estimated battery state to determine whether the battery management controller under test is normal.
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