1.Le LT. Passive Friction Compensation Using a Nonlinear Disturbance Observer for Flexible Joint Robots with Joint Torque Measurements. J. Comput. Sci. Cybern. [Internet]. 2019 Mar. 18 [cited 2025 Nov. 4];35(1):85-103. Available from: https://jcc.vast.vn/jcc/article/view/13147