AUTHOR=Lu Yue , Lin Zixuan , Li Yahui , Lv Jinwang , Zhang Jiaji , Xiao Cong , Liang Ye , Chen Xujiao , Song Tao , Chai Guohong , Zuo Guokun TITLE=A greedy assist-as-needed controller for end-effect upper limb rehabilitation robot based on 3-DOF potential field constraints JOURNAL=Frontiers in Robotics and AI VOLUME=11 YEAR=2024 URL=https://www.frontiersin.org/journals/robotics-and-ai/articles/10.3389/frobt.2024.1404814 DOI=10.3389/frobt.2024.1404814 ISSN=2296-9144