建立了二端面弹性转轴系统相对转动的非线性微分方程模型.对自治系统(二端面等力矩系统)进行了定量分析,证明了方程在一定条件下存在调和解,用数值方法,分析了系统的倍周期分岔现象.
A nonlinear dynamic equation of an elastic rotation shaft with two end faces in relation rotation is built. Firstly, by applying the method of quantitative analysis the autonomous system is analyzed. Seconndly, for a certain conditions, the existence of harmonic solution of equation is proved. Finally, applying the numerical method, the period doubling bifurcation of system is analyzed.