Chiew, T., Jamaludin, Z., Bani Hashim, A., Abdullah, L., Rafan, N. and Maharof, M. 2017. Second order sliding mode control for direct drive positioning system. Journal of Mechanical Engineering and Sciences. 11, 4 (Dec. 2017), 3206–3216. DOI:https://doi.org/10.15282/jmes.11.4.2017.23.0289.