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中文摘要：
通过建立振动筛与单颗粒之间关系的力学模型，研究了振动筛与单颗粒之间周期碰撞运动的稳定性，揭示了单颗粒周期运动经周期分叉和倍周期分叉向混沌的演化过程。周期碰撞运动的稳定性研究可以为振动筛的动力学优化设计提供理论依据。
英文摘要：
Stability of periodic impact motion between the vibration screen and single particle is investigated by establishing the mechanical model of relation between the vibration screen and single particle. It is demonstrated that the system can exhibit chaotic behaviour via periodic bifurcation and doubling- periodic bifurcation of periodic impact motion of single particle. Route from periodic bifurcation and doubling - periodic bifurcation to chaos is discussed. The system parameters of the vibration screen may be optimized by studying the stability of periodic impact motion of single particle.
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