# Energy-Optimal Trajectory Planning of Hybrid Ultra-Long Endurance UAV in Time-Varying Energy Fields

> Research article (AIAA Scitech 2020 Forum, 2020) · cited 10× · AI/ML

**Wikidata**: [openalex:W2998045570](https://www.wikidata.org/wiki/openalex:W2998045570)  
**Source**: https://4ort.xyz/entity/energy-optimal-trajectory-planning-of-hybrid-ultra-long-endurance-uav-in-time-varying-energy-fields