Wanichanon, T., and F. Udwadia. “Nonlinear Damping Control for Uncertain Nonlinear multi‐body Mechanical Systems”. Journal of Research and Applications in Mechanical Engineering, vol. 2, no. 1, Oct. 2018, pp. 7-19, https://ph01.tci-thaijo.org/index.php/jrame/article/view/149424.