Stability Analysis of Two-Point Mooring Autonomous Underwater Vehicle

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  • (1. College of Marine Engineering, Northwestern Polytechnical University, Xi'an 710072, China; 2. Kunming Research Institute of Precision Machinery, Kunming 650224, China)

Online published: 2015-10-29

Abstract

Static stability analysis of the two-point mooring autonomous underwater vehicle (AUV) is presented. The mathematic model is a set of equilibrium equations describing the attitude of the AUV. The mooring lines are regarded as inelastic catenaries, and five degrees of freedom of AUV are considered. The stability of the system is represented by inequality conditions between several physical quantities and the corresponding limitations. We analyze stability of the prime AUV and find that the AUV has a flow-following tendency, which makes the swing angle big. The result shows that the two-point mooring AUV can remain stable under 2.5 kn ocean current speed, and it will weigh anchor when the speed is greater than 3 kn. Subsequent parametric study reveals the influence of the designing parameters on the stability.

Cite this article

DU Xiao-xu1* (杜晓旭), LI Xin-liang1 (李新亮), HAO Cheng-zhi2 (郝承智), WANG You-jiang1 (王有江) . Stability Analysis of Two-Point Mooring Autonomous Underwater Vehicle[J]. Journal of Shanghai Jiaotong University(Science), 2015 , 20(5) : 618 -624 . DOI: 10.1007/s12204-015-1669-9

References

[1] Song Bao-wei, Zhu Xin-yao, Liang Qing-wei, et al.Conceptual design of latent unmanned underwater vehicle[J]. Fire Control and Command Control, 2010,35(8): 107-128 (in Chinese).
[2] Pan Guang, Shi Yao, Du Xiao-xu, et al. Numerical simulation of sink-stability for unmanned underwater lurk vehicle [J]. Journal of Shanghai Jiaotong University,2012, 46(9): 1493-1497 (in Chinese).
[3] Kim B K, Bernitsas M M. Nonlinear dynamics and stability of spread mooring with riser [J]. Applied Ocean Research, 2001, 23(2): 111-123.
[4] Cozijn J L, Bunnik T H J. Coupled mooring analysis for a deep water CALM buoy [C]// 23rd International Conference on Offshore Mechanics and Arctic Engineering.Vancouver, Canada: OMAE, 2004: 1-11.
[5] Bernitsas M M, Chung J S. Nonlinear stability and simulation of two-line ship towing and mooring [J]. Applied Ocean Research, 1990, 12(2): 77-92.
[6] Banik A K, Datta T K. Stability analysis of twopoint mooring system in surge oscillation [J]. Journal of Computational and Nonlinear Dynamics, 2010,5(2): 1-8.
[7] Banik A K, Datta T K. Stochastic response and stability analysis of two-point mooring system [C]// Proceedings of the ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. Rotterdam,The Netherlands: OMAE, 2011: 49714. 1-10.
[8] Pang Guang, Du Xiao-xu. Torpedo mechanices [M].Xi’an: Shaanxi Normal University Press, 2013 (in Chinese).
[9] Fan X T, Shao M, Sun J W, et al. Numerical research on mooring system of wave measuring buoy [J].Advanced Materials Research, 2013, 787: 439-444.
[10] Tsai M C, Lee H H, Lee J Y, et al. A single mooring system with sag-extensibility and flexural rigidity applied to offshore platform [J]. China Ocean Engineering,2013, 27(3): 335-350.
[11] Grewal M S, Andrews A P. Kalman filtering: Theory and practice using MATLAB [M]. New York: John Wiley & Sons, Inc., 2011.
[12] Yu Yang. Experimental design for the determination of anchor chain drag coefficients in current [J]. Journal of Experimental Mechanics, 2010, 25(3): 246-250 (in Chinese).
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