Bo-Wei Song and  Yun-Jung Lee,  Design of Orientation-Free Handler and Fuzzy Controller for Wire-Driven Heavy Object Lifting System.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2014, vol. 88(4). 658 - 662
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9997911.