AI Used to Detect Anomalies in Power Grid Failures
Finding a fault in the power grid of a country can be like attempting to locate a needle in a huge haystack.
Source: azorobotics.com
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"AdaptSPEC-X: Covariate-Dependent Spectral Modeling of Multiple Nonstat" by Michael Bertolacci, Ori Rosen et al.
We present the AdaptSPEC-X method for the joint analysis of a panel of possibly nonstationary time series. The approach is Bayesian and uses a covariate-dependent infinite mixture model to incorporate multiple time series, with mixture components parameterized by a time-varying mean and log spectrum. The mixture components are based on AdaptSPEC, a nonparametric model which adaptively divides the time series into an unknown number of segments and estimates the local log spectra by smoothing splines. AdaptSPEC-X extends AdaptSPEC in three ways. First, through the infinite mixture, it applies to...
Source: uow.edu.au