Qianshuai Cheng, Ruirui Huang, Ruiguang Li , Yandong Hou. “A Trajectory Tracking Control Based on Improved Iterative Learning Algorithm”. Design Engineering (October 31, 2020): 753 - 762. Accessed May 3, 2024. http://thedesignengineering.com/index.php/DE/article/view/854.