本文建立了时变啮合刚度的直齿行星齿轮动力学模型。
This paper presented a lumped-parameter model for planetary gears, including mesh stiffness variation.
建立了具有时变啮合刚度的二级齿轮系统的动力学方程式。
The governing equation of a gear system with time-varying meshing stiffness is established.
用算符分解算法(AOM)研究了扭矩波动和时变啮合刚度对拍击门槛转速的影响。
A-operator method (AOM) is used to study the influence of the torque fluctuation and time-varying meshing stiffness on rattling threshold speed of the gear system.
由于齿轮副啮合刚度的影响，动力学方程序代表了一个具有时变系数的线性动力系统。
Because of the meshing stiffness of a gear pair, the governing equation denotes a linear dynamic system with periodic time-varying coefficient.
其次，用有限元法，计算了直齿圆柱齿轮传动的啮合刚度，得出了啮合刚度的变化曲线。
Secondly, on the base of FEM, mesh stiffness of straight tooth cylindrical gear is calculated, and curve of stiffness is find.
采用三维有限元法计算了斜齿轮副啮合刚度，用三次样条插值拟合得到时变啮合刚度函数。
The meshing stiffness is calculated by employing 3-dimensional FEM and its function is formed by cubic spline interpolation and approximation of the discrete mesh points in a mesh period.
在考虑齿轮时变啮合刚度的情况下，建立了齿轮耦合的转子-轴承系统的非线性动力学模型。
Considering the time varying meshing stiffness of gear pair, the nonlinear dynamic model of a geared rotor bearing system is established.
运用傅立叶级数的形式，计算了一对宽斜齿轮副的瞬时啮合刚度及一对啮合轮齿的啮合刚度；
The mesh stiffness of a pair of helical gears is calculated by substituting the variance of the contact line length for the variance of the instantaneous mesh stiffness.
探讨了由于啮合刚度周期性变化引起的啮合参数失稳现象，得出了相应的啮合参数失稳判据。
This paper discuses the phenomenon by lost stability of gearing parameters in considering the gear mesh stiffness, and put forward a criterion of lost stability of gearing parameters.
考虑瞬时啮合刚度的影响，对轮齿表面的塑性变形进行了仿真计算，模拟结果与实验结果有较好的一致性。
Simulation of plastic deformation in gear tooth is implemented in consideration of mesh stiffness, which is fundamentally identical to the results from experiments.
分析了两级齿轮啮合刚度对系统动力学均载的影响，比较了各级齿轮啮合刚度对系统均载系数影响的大小。
The influence of the mesh stiffness of each stage to the dynamic load sharing coefficient has been discussed.
分析了两级齿轮啮合刚度对系统动力学均载的影响，比较了各级齿轮啮合刚度对系统均载系数影响的大小。
The dynamic characteristics of the system has been studied. The influence of the mesh stiffness of each stage to the dynamic load sharing coefficient has been discussed.
用算符分解算法(AOM)得到了系统的近似解析解，并研究了传动比和时变啮合刚度对拍击门槛转速的影响。
A-operator method (AOM) is used to study the influence of the speed ratio and time varying meshing stiffness on rattling threshold speed of the gear system.
建立了两级星型齿轮传动系统的非线性动力学分析模型，模型中考虑了系统的综合啮合误差、时变啮合刚度以及齿侧间隙。
A dynamic analysis model in which the gear error and the time-varying stiffness and backlash are included is established for a 2-stage star gear train.
在机构强度分析中，阐述了凸轮-针轮副啮合齿面接触强度、针齿销的弯曲强度计算和刚度计算。
Not only the contact strength between the CAM and the rollers is discussed, the flexural strength and rigidity of the rollers are also discussed.
根据这一振动模型，推导了齿轮副的平均单齿刚度、单对轮齿啮合综合刚度、有效质量、固有频率与临界转速等一系列计算公式。
The model is used to understand a series of formulae, for example, mean single tooth stiffness, gear pair mesh synthesizing stiffness, effective mass, nature frequency and critical rotating speed.
时变刚度曲线用轮齿三维接触有限元方法求得，啮合冲击激励力用轮齿三维冲击-动力接触有限元混合法求得。
The time-variable stiffness is acquired by 3D finite element contact procedure, while the exciting force caused by meshing shock is obtained by 3D dynamic contact finite element mixed formula.
在获得齿轮内啮合传动的齿侧间隙计算公式以后，结合齿对刚度的计算公式，推导出齿轮内啮合传动的加载重合度及载荷修正系数。
After getting the formula about the normal backlash and the stiffness of the tooth pairs of the gear, the contact ratio and the load correction factor could be obtained.
在获得齿轮内啮合传动的齿侧间隙计算公式以后，结合齿对刚度的计算公式，推导出齿轮内啮合传动的加载重合度及载荷修正系数。
After getting the formula about the normal backlash and the stiffness of the tooth pairs of the gear, the contact ratio and the load correction factor could be obtained.
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