# Research on economical shifting strategy for multi-gear and multi-mode parallel plug-in HEV based on DIRECT algorithm

> Research article (Energy, 2023) · cited 24× · AI/ML

**Wikidata**: [openalex:W4388478853](https://www.wikidata.org/wiki/openalex:W4388478853)  
**Source**: https://4ort.xyz/entity/research-on-economical-shifting-strategy-for-multi-gear-and-multi-mode-parallel-plug-in-hev-based-on-direct-algorithm