Analytical Forward Kinematics for Two Kinds of Typical Tripods Part I: Closed-Form Solutions for Forward Kinematics Methods. - Younan Xu; Xin-Jun Liu; Jinsong Wang (ICIRA (1), 2012)

Analytical Forward Kinematics for Two Kinds of Typical Tripods Part II: Analyzing for Their Workspaces, and Performances of the Forward Kinematics. - Younan Xu; Xin-Jun Liu; Jinsong Wang (ICIRA (1), 2012)

Structural Design and Link Optimization for a Lower Limb Exoskeleton with Four Link Knee Joints. - Fei Meng; Zhenhai Zhang; Mohui Xiao; Younan Xu (Int. J. Humanoid Robotics, 2025)