1) Looseness of bearing house
基础松动
1.
In the model of rotor, mass unbalance, rubbing, and looseness of bearing house faults are considered synthetically.
建立了滚动轴承支承下的转子系统的不平衡-碰摩-基础松动耦合故障动力学模型。
2) pedestal looseness
基础松动
1.
The bifurcation and stability of the periodic motion of rotor-bearing systems with crack and pedestal looseness fault were studied and the periodic solution of nonlinear non-autonomous system was obtained by continuation-shooting method.
转轴裂纹和基础松动故障都使系统周期运动稳定性降低、系统Hopf分岔存在的偏心量范围变大。
2.
A dynamic model of the nonlinear elastics rotor-bearing system with pedestal looseness fault was set up,taking the linearity and cube item as the physics nonlinear factors.
以线性项和立方项之和来表示转轴材料的物理非线性因素,建立了带有基础松动故障的具有非线性弹性的转子-轴承系统动力学模型,对其复杂的运动特性进行了数值研究,发现此类系统存在着周期、拟周期和混沌等复杂的非线性运动。
3) unbalance-looseness of bearing house-rubbing
不平衡-基础松动-碰摩
4) Foundation without changing
基础不动
6) Foundation vibration
基础振动
1.
Based on the calibrating device for micro accelerometer imported from Russia,this thesis is analyzes the influence that the foundation vibration causes to the calibration results of micro accelerometer,provides the method to dispel foundation vibration noise and method which identifies the static mathematical of acceleometer.
以从俄罗斯引进的低频微g加速度计校准装置为基础,分析了基础振动对微g加速度计校准结果的影响,给出了消除基础振动噪声的方法及在该种情况下加速度计静态数学模型的辨识方法。
2.
According to the actual circumstance o f pipe system in ships, the foundation vibration is inducted into the calculatio n of dynamic responses of fluid conveying pipes.
分析计算载流管道在外部激振力和流体激励下的动态响应 ,比较在不同激振力频率和不同管内流速情况下的管道动态响应 ,根据舰船管道的实际情况 ,在载流管系的动态响应分析中引入基础振动的影
3.
a continuous-time rational approximation(CRA) for the foundation frequency response is a starting point for constructing various high-order lumped-parameter models(LPMs) in the foundation vibration analysis.
基础频率响应的连续时间有理近似是构建基础振动分析的高阶集中参数模型的起点,连续时间有理近似的稳定性和参数识别直接决定集中参数模型以及土-结系统的动力稳定性和精度。
补充资料：经济基础(见经济基础与上层建筑)
经济基础(见经济基础与上层建筑)
economical basis
J ingji Jiehu经济基础与上层建筑。(eeonomiealbasis)见经济基础
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