To validate the simulation model, some experiments are necessary from battery in loop. Considering that the short circuit experiments have a bit of safety risk during experiments, in this article, we apply an open circuit of sampling lines from the BMS, and use the algorithm to detect the error of such failure.
The sampling failure will lead the invalid management and diagnosis of battery pack. As the concerning of robust voltage sampling, researchers have paid amounts of efforts to investigate the failure mode and diagnosis.
The current flowing through the channel, I in, is derived from the extracted voltage sampling structure. The compensation current, I c1, is obtained through a unit gain negative feedback loop formed by the low voltage amplifier and M 2.
The batter-in-loop experiments confirm the symmetrical voltage performances when there is a sampling line cut down, and furthermore, we use the dataset from the cloud monitoring platform to verify the applicational results.
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