Gentle mobilization exercise like " pendular exercise " can be performed to improve circulation , relax muscle and relief pain 患者可做轻微的肩部运动，例如钟摆运动，以增加局部血液循环放松肌肉以及减少痛楚。
2.
Gentle mobilization exercise like " pendular exercise " can be performed to improve circulation , relax muscle and relief pain 患者可做轻微的肩部运动，例如钟摆运动，以增加局部血液循环、放松肌肉以及减少痛楚。
3.
The convert and evolution course of periodical response , quasi - periodical response , double - periodical bifurcation , chaos of the system response is analyzed . ( 3 ) . it is deduced that the general differential equation of bending - torsional - pendular coupling vibration about rotor with the gyroscopic moment ( 3 )推导了一般意义下,考虑陀螺力矩的单盘转子弯扭摆耦合振动非线性方程,基于该方程,推出了不平衡转子和碰摩转子的非线性弯扭摆耦合振动方程。
4.
Image coordinate and galvanometer pendular angle are kept in the computer according to the f9 field lens characteristic , enter pupil excursion and f6 characteristic error are ignored , that the image of laser scanning point move acceding to unlinearity relation is deduced theoretically . for deducing the distortion , error compensation is considered in the software 像点坐标与振镜摆角按f物镜特性的线性关系存储在计算机，在忽略了入瞳漂移和f特性误差后，从理论上推导出二维垂直振镜分布中激光束扫描点的像点按照复杂的非线性关系运动，为了减少几何畸变，在软件设计中给出误差补偿。
5.
On the basis of this equation , the general differential equations of coupled bending , torsional and pendular nonlinear vibration about rotor with unbalance character and rubbing character are deduced . the bifurcation and chaos behavior especially the influence on bifurcation and chaos behavior of impact and rubbing fault rotor system 应用数值方法研究了碰摩转子的弯扭摆耦合振动相应的复杂动力学行为,重点研究了转子转速、偏心量等系统参数对碰摩转子弯扭摆耦合振动的分岔和混沌行为的影响以及扭转振动和摆动振动对弯曲振动的影响。
6.
In this paper , the rotating machinery at high speed is studied . there are discussed about numerical calculating methods for non - linear dynamical system , the rotor system radial impact and rubbing dynamics behavior analysis having the nonlinear rigidity on the unsteady and non - linear oil film , the rotor system dynamics behavior analysis with bending - torsional - pendular coupling vibrations , application of wavelet , fractal and network in fault diagnosis . the main works in this paper are as follows : ( 1 ) 本文以高速旋转机械为主要研究对象,系统、深入地研究了非线性动力学系统的数值计算方法、具有非线性刚度的转子系统在非稳态非线性油膜力作用下的径向碰摩动力学行为、转子弯扭摆耦合振动的动力学分析、小波和分形理论及人工神经网络在故障诊断中的应用问题。
