2. Weijian Zhang, Zikang Li, Xianli Wang, Yonghao Huang, Junan Li, Lap Mou Tam and Qingsong Xu*, Design and Development of a New Biped Robotic System for Exoskeleton-Structure Window Cleaning, IEEE Transactions on Automation Science and Engineering, 2025, 22: 3160-3171. (SCI, IF:6.4)