Test equipment and test method of battery management system

Test equipment of a battery management system, comprising:

• a battery-parameter recognition module, measuring a standard battery to obtain a first correction input, and using a capacity test formula and a relaxation time test formula to perform a first charge and discharge test on a battery to be tested after calibrating a plurality of battery measuring devices using the first correction input, to obtain a first battery parameter of the battery to be tested;
• a real-time simulation module, obtaining a battery model and a simulated battery state according to the first battery parameter and a dynamic load;
• a physical signal simulation module, comprising a plurality of simulators, wherein each of the simulators is configured to provide a battery physical signal according to the battery model;
• a connector coupled between the physical signal simulation module and a battery management controller under test, providing the battery physical signal to the battery management controller under test, wherein the battery management controller under test is configured to provide an estimated battery state of the battery to be tested according to the battery physical signal;
• and
• master equipment, providing the dynamic load to the real-time simulation module, and comparing the simulated battery state with the estimated battery state to determine whether the battery management controller under test is normal.