1) slow variables
慢变量
1.
Based on the speed of technological evolution,the subsystems of CoPS are categorized into fast variables and slow variables.
为此,选择数控机床为研究对象,分析了数控系统和机械系统的技术演进;根据技术演进的速度差异,将构成复杂产品的子系统划分为快变量和慢变量。
2) slowly varying mass
质量慢变
1.
A dynamic model of a rotor system with slowly varying mass and pedestal looseness fault was built up, based on rotor dynamics, nonlinear dynamics and Hertz theory.
根据转子动力学、非线性动力学及Hertz理论,建立了带有一端支座松动故障的滚动轴承—质量慢变转子系统的非线性动力学模型。
3) slowly varying component
慢变分量
4) slowly variable mass rotor
质量慢变转子
1.
With the dynamic equations developed for slowly variable mass rotor system and its shaft stiffness,damping,eccentricity and radial stiffness of stator taken as random parameters,the stochastic responses of the rotor system are studied systematically by means of matrix perturbation theory,Kronecker algebra,matrix differential calculus and theory of random vibration.
通过建立质量慢变转子系统的动力学方程,将转子系统的刚度、阻尼、偏心距和定子径向刚度作为随机参数,利用随机摄动理论、Kronecker代数、矩阵微分理论、随机振动理论系统地研究了质量慢变转子系统的随机响应问题。
5) slow-varying
慢变
1.
This paper mainly discusses the stability of a class of slow-varying linear switched systems.
主要研究了一类慢变线性切换系统的稳定性,通过寻找公共Lyapunov函数给出了系统在任意切换律下指数稳定的充分条件,进一步讨论了其带有非线性扰动项的非线性切换系统在适当假设下指数稳定的充分条件。
2.
The model of a slow-varying rotor system with rubbing fault was built based on the case that some rotor systems mass varied continuously in practical production.
针对实际生产中某些转子系统工作时质量不断变化这一现象,建立了碰摩故障质量慢变转子系统模型。
3.
A dynamic model of rotor systems with slow-varying mass and coupling faults of rubbing and pedestal looseness is established in this paper.
建立了带有支承松动和碰摩耦合故障的质量慢变转子系统的动力学模型,利用数值积分和Poincare映射方法对其非线性动力学行为进行了数值仿真研究,给出了系统响应随转子转动频率变化的分岔图和最大Lyapunov指数曲线图,并分析了时间慢变系数对转子系统动力学行为的影响。
补充资料：变量与变量值
可变的数量标志和所有的统计指标称作变量。变量的数值表现称作
变量值，即标志值或指标值。变量与变量值不能误用。
变量值，即标志值或指标值。变量与变量值不能误用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条