Towards Safe Landing of Falling Quadruped Robots Using a 3-DoF Morphable Inertial Tail by Yunxi Tang, Jiajun An, Xiangyu Chu, Shengzhi Wang, Ching Yan Wong, and K. W. Samuel Au (
https://arxiv.org/pdf/2209.15337.pdf) Towards Exact Interaction Force Control for Underactuated Quadrupedal Systems with Orthogonal Projection and Quadratic Programming by Shengzhi Wang, Xiangyu Chu, and K. W. Samuel Au (
https://arxiv.org/pdf/2210.10238.pdf)