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