Battery Diagnosis Device And Operation Method Thereof

Abstract: A battery diagnosis device according to one embodiment disclosed in the present document may comprise: an encoder for converting time series data related to a battery state into a latent variable; a decoder for converting the latent variable into first reconstruction data of a time domain; a first discriminator for discriminating between the time series data and the first reconstruction data and outputting a discrimination result; a first calculator for comparing the time series data with the first reconstruction data and calculating a reconstruction error; a second calculator for calculating an anomaly score on the basis of the determination result and the reconstruction error; and a diagnostic unit for diagnosing an anomaly of the battery on the basis of the anomaly score and a threshold value.

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