Transverse vibration of the blade for unmanned micro helicopter using rayleigh-ritz method
摘要
A rotor manipulation mechanism for micro unmanned helicopter utilizing the inertia and the elasticity of the rotor is introduced. The lagging motion equation of the rotor blades is established, and then the natural frequencies and mode shapes of the blade for the helicopter are studied by using beam characteristic orthogonal polynomials by the Rayleigh-Ritz method. The variation of natural frequencies with the speed of rotation and the mode shapes at different rotational speeds are plotted. The using of orthogonal polynomials for the bending shapes enables the computation of higher natural frequencies of any order to be accomplished without facing any difficulties.
引用本文（GB/T 7714）
JungangLü, JiadaoWang, DarongChen. Transverse vibration of the blade for unmanned micro helicopter using rayleigh-ritz method[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2003.
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