Huang, Yi-Cheng, and Jing-Hong Zheng. “Ball Nut Preload Diagnosis of the Hollow Ball Screw through Support Vector Machine”. Advances in Technology Innovation 3, no. 2 (February 20, 2018): 94–99. Accessed April 20, 2024. https://ojs.imeti.org/index.php/AITI/article/view/1031.