基于动力学的风力发电机齿轮传动系统模糊可靠性评估

doi:10.16578/j.issn.1004.2539.2013.09.017

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基于动力学的风力发电机齿轮传动系统模糊可靠性评估

更新时间：2025-04-03

- 基于动力学的风力发电机齿轮传动系统模糊可靠性评估
- Vol. 37, Issue 9, Pages: 10-14(2013)
- 作者机构：
  
  河南科技大学机电工程学院2. 河南科技大学车辆与动力工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2013.09.017
  CLC： TM315;TH132.41
- Published：2013
- 稿件说明：
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[1]徐芳,周志刚,李迎春.基于动力学的风力发电机齿轮传动系统模糊可靠性评估[J].机械传动,2013,37(09):10-14.

[J]. 2013, 37(9): 10-14.
[1]徐芳,周志刚,李迎春.基于动力学的风力发电机齿轮传动系统模糊可靠性评估[J].机械传动,2013,37(09):10-14. DOI： 10.16578/j.issn.1004.2539.2013.09.017.

[J]. 2013, 37(9): 10-14. DOI： 10.16578/j.issn.1004.2539.2013.09.017.

摘要

针对风力发电机齿轮传动系统在变风速工况下失效率高的问题

在模拟真实风速的基础上

建立考虑外部随机风载及内部轮齿时变啮合刚度、轴承时变刚度及综合传递误差等激励因素的风力发电机齿轮传动系统齿轮)轴承耦合动力学模型

通过对动力学模型进行仿真计算

得到各齿轮副的动态啮合力和各支承轴承的动态接触力。在此基础上

利用有限单元法、赫兹接触理论和数理统计理论得到了传动系统各齿轮和各支承轴承的动态接触力的概率分布

基于应力)强度干涉理论建立风力发电机齿轮传动系统关键零部件的模糊可靠性模型

并计算了关键零部件及系统的模糊可靠度。

Abstract

Aiming at the problem of high failure rate of wind turbine gear transmission system in the stochastic wind speed conditions

a couplinggear-bearing dynamicsmodel ofgeartransmission systemofwind turbine isbuilton the basis of simulation real wind speed

the model includes external randomwind load and internal incentives such as time-vary mesh stiffness of gear pair

time-vary stiffness of rolling element bearing and integrated transmission error.Numerical method is used to simulate the dynamics model

and the dynamic meshing forces of each gear pair as well as dynamic bearing forces of each bearing are obtained.On that basis

the dynamic contact stresses of each gear pair and each bearings as well as their probability distribution are obtained by using the finite element method

the Hertz contact theory and the mathematical statistic theory.The fuzzy reliability model of key components of wind turbine gear transmission system is established based on the stress strength interference theory

the fuzzy reliability of the key components and the transmission system are calculated.

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