... Raja Ismail, M .A Ahmad, M.S Ramli, F.R.M Rashidi, Nonlinear Dynamic Modeling and Analysis of a 3-D Overhead Gantry Crane System with Payload Variation, ems, pp.350354, 2009 Third UKSim European ... uncertainties in crane dynamics Adaptive controller for 2D modeling overhead crane with the friction force model (Aschemann, 2000) was proposed by Ma, Fang & Zhang (2008) An adaptive tracking control ... Fig VCM2 012 Sway angle q (t ) Sway angle f(t ) In this paper, a 5-DOF dynamic model of the 3D overhead crane was developed under the effects of friction forces and the unknown parameters A nonlinear...