1. Gomes Sergio B, Varella, Ramos Josure G Jr Airship dynamic modeling for autonomous operation[A]. In: Robotics & Automation, IEEE (ed).Proceeding of the 1998 IEEE International Conferrence on Robotics & Automation[C]. IEEE Press, Leuven, Balgium, 1998, 3462–3467.
2. Sagatun Svein I, Fossen Thor I. Lagrangian formulation of underwater vehicles' dybamics [A]. In:Proceeding of the 1991 IEEE International Conference on Systems, Man, and Cybernetics[C]. IEEE Press, 1991, 1029–1034.
3. Leonard N E. Stability of a bottom-heavy underwater vehicle[J].Automatica, 1997,33(3): 331–346.
4. Marsden J E, Ratiu T S, Weinstein A. Semi-direct products and reduction in mechanics[J].Transaction of American Mathematics Society, 1984,281(1):147–177.
5. Cendra H, Holm D D, Marsden J E,et al. Lagrangian reduction, the Euler-Poincaré equations, and semidirect products[J].American Mathematics Society Translation, 1997,186(1):1–25.