Modeling and nonlinear energy-based anti-swing control of underactuated dual ship-mounted crane systems

被引:23
作者
Hu, Die [1 ]
Qian, Yuzhe [1 ]
Fang, Yongchun [2 ]
Chen, Yuzhu [1 ]
机构
[1] Hebei Univ Technol, Coll Artificial Intelligence, Tianjin 300130, Peoples R China
[2] Nankai Univ, Tianjin Key Lab Intelligent Robot tjKLIR, Inst Robot & Automat Informat Syst IRAIS, Tianjin 300071, Peoples R China
基金
中国国家自然科学基金;
关键词
Dual ship-mounted crane systems; Anti-swing control; Nonlinear system; Motion control; Lyapunov techniques; SENSITIVITY-ANALYSIS; TRACKING CONTROL; PERFORMANCE;
D O I
10.1007/s11071-021-06837-x
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
As the volume and the mass of the payload increases, it is often necessary to use two ship-mounted cranes to jointly transport huge payloads under marine environment. Compared with a single ship-mounted crane, dual ship-mounted cranes contain more state variables, geometric constraints and coupling dynamics, which bring more challenges in kinematic analysis and controller design for such complicated underactuated systems. In order to solve these problems, the dynamic model of the dual ship-mounted crane systems is established based on Lagrange's method. Considering different practical requirements, two energy-based nonlinear controllers for dual ship-mounted cranes are developed, including a full-state feedback control method and an output feedback control method. More preciously, during the control design process, the saturation constraints of the controllers have been fully considered. Meanwhile, the proposed controllers can achieve accurate positioning of the double-constrained derricks as well as effective elimination of payload swing. The stability of the equilibrium point of the closed-loop system is analyzed by using Lyapunov techniques and Lasalle's invariance principle. As far as we know, the modeling and the output feedback controller design of dual ship-mounted cranes are proposed for the first time in this paper. At the same time, the design and analysis process does not need to linearize the complex nonlinear dynamics equations, while the proposed output feedback control method is robust against the situations when the velocity signals are unknown/unavailable. Finally, a series of experiments are carried out to verify the effectiveness of the proposed nonlinear controllers.
引用
收藏
页码:323 / 338
页数:16
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