Dynamic Design for Vibratory Compaction System Basing on Chaos Identification

Abstract

Abstract: According to the shortage of traditional design method and the fact that the effects of nonlinear chaotic vibration on human health were ignored in the research of compaction system, a dynamic design method basing on chaos identification was proposed. A two degree of freedom dynamic model was established and the bifurcation diagrams were described for vibratory compaction system. The dynamic responses of the system were analyzed in the cases of three different soil parameters representing the early, medium and later stage of compacted material. Research shows that, selecting the ratio of the frame quality and the vibration wheel quality in the range from 0.85 to 1, the natural frequency of frame in the range from 8 to 9.5 and the damping ratio in the range from 0.195 to 0.215 can weaken the nonlinear characteristics of the system so as to avoid chaotic vibration as much as possible.

Key words: vibratory roller, dynamic model, chaotic vibration, dynamic design

CLC Number:

TU663

Shen Peihui, Lin Shuwen. Dynamic Design for Vibratory Compaction System Basing on Chaos Identification[J]. Journal of System Simulation, 2016, 28(5): 1232-1241.

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