Li, Biqing, Miao Tian, Shiyong Zheng, and Yongfa Ling. 2018. “Design and Research of Picking Manipulator Obstacle Avoidance System Based on IOT”. International Journal of Online and Biomedical Engineering (iJOE) 14 (03):pp. 152-163. https://doi.org/10.3991/ijoe.v14i03.8423.