# Road roughness estimation based on discrete Kalman filter with unknown input

> Research article (Vehicle System Dynamics, 2018) · cited 63× · AI/ML

**Wikidata**: [openalex:W2893542962](https://www.wikidata.org/wiki/openalex:W2893542962)  
**Source**: https://4ort.xyz/entity/road-roughness-estimation-based-on-discrete-kalman-filter-with-unknown-input