# Sustainable Robotic Joints 4D Printing with Variable Stiffness Using Reinforcement Learning

> Research article (Robotics and Computer-Integrated Manufacturing, 2023) · cited 88× · AI/ML

**Wikidata**: [openalex:W4386322990](https://www.wikidata.org/wiki/openalex:W4386322990)  
**Source**: https://4ort.xyz/entity/sustainable-robotic-joints-4d-printing-with-variable-stiffness-using-reinforcement-learning