Lun-Hui Lee Pei-Hsiang Huang Shing-Tai Pan Handra Wijaya Lie Tung-Chien Chiang Cheng-Yuan Chang Applying vision feedback to crane controller design. 294-302 2015 46 Int. J. Syst. Sci. 2 https://doi.org/10.1080/00207721.2013.779762 db/journals/ijsysc/ijsysc46.html#LeeHPLCC15