# State estimation of a biogas plant based on spectral analysis using a combination of machine learning and metaheuristic algorithms

> Research article (Applied Energy, 2024) · cited 14× · AI/ML

**Wikidata**: [openalex:W4402507652](https://www.wikidata.org/wiki/openalex:W4402507652)  
**Source**: https://4ort.xyz/entity/state-estimation-of-a-biogas-plant-based-on-spectral-analysis-using-a-combination-of-machine-learning-and-metaheuristic-