# Demonstration of a single/dual cylinder free-piston engine generator prototype: Milestone achieved on system stability

> Research article (Energy, 2023) · cited 29× · AI/ML

**Wikidata**: [openalex:W4378701269](https://www.wikidata.org/wiki/openalex:W4378701269)  
**Source**: https://4ort.xyz/entity/demonstration-of-a-single-dual-cylinder-free-piston-engine-generator-prototype-milestone-achieved-on-system-stability