Jaafar, H. I.; Hussien, S. Y. S.; Ghazali, R.; Mohamed, Z.; Jamian, J. J.; Aras, M. S. M.; Nasir, M. N. M.; Sulaiman, M. F. Analysis of Optimal Motion Performance for Underactuated Gantry Crane System Using MOPSO With Linear Weight Summation Approach. JET 2014, 5, 39-50.