Abstract
This paper presents an adaptive control approach using a model matching technique for 3-DOF nonlinear crane systems. The proposed control is linearly composed of two control frameworks: nominal PD control and corrective control. A nonlinear crane model is approximated by means of feedback linearization to design nominal PD control avoiding perturbation. We propose corrective control to compensate system error feasibly occurring due to perturbation, which is derived by using Lyapunov stability theory with bound of perturbation. Additionally, we achieve stability analysis for the proposed crane control system and analytically derive sufficient stability condition with respect to its perturbation. Numerical simulation is accomplished to evaluate our proposed control and demonstrate its reliability and superiority compared to traditional control method.
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Cho, H.C., Lee, K.S. Adaptive control and stability analysis of nonlinear crane systems with perturbation. J Mech Sci Technol 22, 1091–1098 (2008). https://doi.org/10.1007/s12206-008-0216-0
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DOI: https://doi.org/10.1007/s12206-008-0216-0