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J. Ocean Eng. Technol. 2005;19(5):58-64.    

Feedback Linearization Control of Container Cranes
PARK HAHN;CHWA DONG-KYUNG;HONG KEUM-SHIK;
Department of Mechanical and Intelligent Systems Engineering, Pusan National University;School of Electrical and Computer Engineering, Ajou University;School of Mechanical Engineering, Pusan National University;
컨테이너 크레인의 되먹임 선형화제어
박한;좌동경;홍금식;
부산대학교 대학원 지능기계공학과;아주대학교 전자공학부;부산대학교 기계공학부;
Copyright © 2005 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License
Key Words: Container Crane, Nonlinear Control Law, Feedback Linearization Control, Lyapunov Stability Theorem
핵심용어: 컨테이너 크레인, 비선형 제어법칙, 되먹임 선형화제어, 리아프노프 안정성 이론
Abstract
In this paper, a feedback linearizing anti-sway control law, using a 2-D model for container cranes, is investigated. The equations of motion are first derived from Lagrange's equation. Then, by substituting the sway dynamics into the trolley dynamics, a reduction of variables from three (trolley, hoist, sway) to two (trolley, hoist) is pursued. The anti-sway control law is designed based on the Lyapunov stability theorem. The proposed control law guarantees the uniform asymptotic stability of the closed-loop system. The simulation results of the derived control law, using MATLAB/Simulink, are compared with those of the sliding mode control law, noted in previous literature. Also, experimental results using a 3-D pilot crane are provided.


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