To, Dong Anh Khoa, Hoang Phuc Chau, and Vu Linh Nguyen. “Design of a Variable Stiffness Actuator Based on a Multi-Pulley System With a Spring”. Vietnam Journal of Mechanics 46, no. 3 (September 30, 2024): 229–239. Accessed April 8, 2025. https://vjs.ac.vn/index.php/vjmech/article/view/21024.