摘要
以赫兹弹性理论和间隙碰撞副理论为基础,根据槽轮机构的等效力学模型确定了系统的刚度和阻尼等参数,利用拉格朗日定理构建了系统的动力学微分方程。并给出实际算例,利用MATLAB软件对其动力学微分方程进行了求解与绘图。以MATLAB/SIMULINK为仿真平台,创建了槽轮机构动态仿真模型。通过机构动力学仿真,得到了更加接近于真实情况的机构运动曲线。仿真结果再现了构件弹性和槽轮副间隙对机构运动带来的影响,从而为改善机构的动态特性提供了理论依据。
Based on Hertz elastic theory and gap collision pair theory, according to equivalent mechanics model of Geneva mechanism, the system rigidity and damping are determined, and the system dynamics differential equation is constructed by the Lagrange theory. An actual example is given; the solutions and the graphs are completed by MATLAB software. Taking MATLAB/SIMULINK as the simulation platform, the dynamic simulation model of Geneva mechanism is founded according to dynamic equation. The kinematic curves which more approached to reality are ob- tained. The simulation results reappear the influences caused by the component elasticity and the gap of wheel pair brings to the mechanism movement, The theory foundation for improving dynamic characteristic of mechanism is provided.
出处
《机械传动》
CSCD
北大核心
2012年第11期63-66,共4页
Journal of Mechanical Transmission
