# Energy‐efficient train operation with steep track and speed limits: A novel Pontryagin's maximum principle‐based approach for adjoint variable discontinuity cases

> Research article (IET Intelligent Transport Systems, 2021) · cited 19× · AI/ML

**Wikidata**: [openalex:W3176113074](https://www.wikidata.org/wiki/openalex:W3176113074)  
**Source**: https://4ort.xyz/entity/energyefficient-train-operation-with-steep-track-and-speed-limits-a-novel-pontryagin-s-maximum-principlebased-approach-f