# Remaining useful life prediction of ultrasonic motor based on Elman neural network with improved particle swarm optimization

> Research article (Measurement, 2019) · cited 72× · AI/ML

**Wikidata**: [openalex:W2943844315](https://www.wikidata.org/wiki/openalex:W2943844315)  
**Source**: https://4ort.xyz/entity/remaining-useful-life-prediction-of-ultrasonic-motor-based-on-elman-neural-network-with-improved-particle-swarm-optimiza