Bakhtiari-Nejad, F. ., Nazemizadeh, M. . and Arjmand, H. . (2022) “Tracking Control of an Underactuated Gantry Crane using an Optimal Feedback Controller”, International Journal of Automotive and Mechanical Engineering, 7, pp. 830–839. doi: 10.15282/ijame.7.2012.3.0068.