# Frequency Invariant Transformation of Periodic Signals (FIT-PS) for Classification in NILM

> Research article (IEEE Transactions on Smart Grid, 2018) · cited 29× · AI/ML

**Wikidata**: [openalex:W2904341746](https://www.wikidata.org/wiki/openalex:W2904341746)  
**Source**: https://4ort.xyz/entity/frequency-invariant-transformation-of-periodic-signals-fit-ps-for-classification-in-nilm