Dynamics and Fatigue Analysis of Planetary Gear Trains under Random Loading
随机载荷下行星齿轮系的动力学和疲劳分析
基本信息
- 批准号:RGPIN-2015-04261
- 负责人:
- 金额:$ 1.6万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2019
- 资助国家:加拿大
- 起止时间:2019-01-01 至 2020-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Planetary Gear Trains (PGTs) are widely used in industry and many other applications. In some of the applications, the loads to which the PGTs are subjected are random/stochastic. Two representative scenarios where PGTs are used as a transmission unit, and subjected to random loads include wind turbines in wind energy industry and directional drilling in oil and gas industry. Fatigue caused by the vibration in these systems is a outstanding issue in the industries, and has huge economical consequence. However, the random nature of the vibration stresses largely hinders accurate fatigue prediction and proper fatigue management. ***The proposed research intends to systematically investigate the dynamics of PGTs under random loads, and develop effective fatigue prediction methods. Based on the two cases above, the internal excitations which are common to all PGTs and the external excitations which vary for different applications will be modeled as random processes. Experiments will be carried out to characterize the external excitation in drilling for which little is known at present. Then the statistics of the responses, including displacement, velocity, stresses and strains, could be solved for with numerical and analytic methods. These statistic information constitutes the basis for further fatigue prediction. It is expected that, through this proposed research, the reliability and fatigue life of PGTs in both wind turbines and drilling could be improved. The long term goal is to develop a theoretical framework for random dynamics of PGTs in general random context; thus, the method and algorithms can be applied to and benefit broader applications, such as applications in off-shore engineering and land vehicles. *** **
行星齿轮系 (PGT) 广泛应用于工业和许多其他应用。在一些应用中,PGT 承受的负载是随机的。 PGT用作传输单元并承受随机载荷的两个代表性场景包括风能行业的风力涡轮机和石油和天然气行业的定向钻井。这些系统中的振动引起的疲劳是工业中的一个突出问题,并具有巨大的经济后果。然而,振动应力的随机性在很大程度上阻碍了准确的疲劳预测和适当的疲劳管理。 ***本研究旨在系统地研究随机载荷下 PGT 的动力学,并开发有效的疲劳预测方法。基于上述两种情况,所有 PGT 共有的内部激励和因不同应用而变化的外部激励将被建模为随机过程。将进行实验来表征钻井中目前知之甚少的外部激励。然后,可以通过数值和解析方法求解响应的统计数据,包括位移、速度、应力和应变。这些统计信息构成了进一步疲劳预测的基础。预计通过这项研究,可以提高风力涡轮机和钻井中 PGT 的可靠性和疲劳寿命。长期目标是在一般随机背景下开发 PGT 随机动力学的理论框架;因此,该方法和算法可以应用于并有益于更广泛的应用,例如在海上工程和陆地车辆中的应用。 ** **
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Yang, Jianming其他文献
Enhanced CO2 capture for photosynthetic lycopene production in engineered Rhodopseudomonas palustris, a purple nonsulfur bacterium
增强二氧化碳捕获,以促进沼泽红假单胞菌(一种紫色非硫细菌)光合番茄红素的生产
- DOI:
10.1039/d2gc02467e - 发表时间:
2022-08-30 - 期刊:
- 影响因子:9.8
- 作者:
Li, Meijie;Xia, Qingqing;Yang, Jianming - 通讯作者:
Yang, Jianming
Layered Structural PBAT Composite Foams for Efficient Electromagnetic Interference Shielding.
- DOI:
10.1007/s40820-023-01246-8 - 发表时间:
2023-11-23 - 期刊:
- 影响因子:26.6
- 作者:
Yang, Jianming;Wang, Hu;Zhang, Yali;Zhang, Hexin;Gu, Junwei - 通讯作者:
Gu, Junwei
Light-weight and flexible silicone rubber/MWCNTs/Fe3O4 nanocomposite foams for efficient electromagnetic interference shielding and microwave absorption
轻质柔性硅橡胶/MWCNT/Fe3O4纳米复合泡沫可有效屏蔽电磁干扰和吸收微波
- DOI:
10.1016/j.compscitech.2019.05.027 - 发表时间:
2019-09-08 - 期刊:
- 影响因子:9.1
- 作者:
Yang, Jianming;Liao, Xia;Li, Guangxian - 通讯作者:
Li, Guangxian
A study of genetic diversity of colored barley (Hordeum vulgare L.) using SSR markers
利用 SSR 标记研究彩色大麦 (Hordeum vulgare L.) 遗传多样性
- DOI:
10.1007/s10722-014-0165-7 - 发表时间:
2015-03-01 - 期刊:
- 影响因子:2
- 作者:
Hua, Wei;Zhang, Xiaoqin;Yang, Jianming - 通讯作者:
Yang, Jianming
Decreased hyperpolarization-activated currents in layer 5 pyramidal neurons enhances excitability in focal cortical dysplasia
- DOI:
10.1152/jn.00164.2011 - 发表时间:
2011-11-01 - 期刊:
- 影响因子:2.5
- 作者:
Albertson, Asher J.;Yang, Jianming;Hablitz, John J. - 通讯作者:
Hablitz, John J.
Yang, Jianming的其他文献
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{{ truncateString('Yang, Jianming', 18)}}的其他基金
Random Vibration of an Internal Gear in Planetary Gear Trains Subjected to Sequential Moving Loads.
承受连续移动载荷的行星齿轮系内齿轮的随机振动。
- 批准号:
RGPIN-2020-05008 - 财政年份:2022
- 资助金额:
$ 1.6万 - 项目类别:
Discovery Grants Program - Individual
Random Vibration of an Internal Gear in Planetary Gear Trains Subjected to Sequential Moving Loads.
承受连续移动载荷的行星齿轮系内齿轮的随机振动。
- 批准号:
RGPIN-2020-05008 - 财政年份:2021
- 资助金额:
$ 1.6万 - 项目类别:
Discovery Grants Program - Individual
Random Vibration of an Internal Gear in Planetary Gear Trains Subjected to Sequential Moving Loads.
承受连续移动载荷的行星齿轮系内齿轮的随机振动。
- 批准号:
RGPIN-2020-05008 - 财政年份:2020
- 资助金额:
$ 1.6万 - 项目类别:
Discovery Grants Program - Individual
Dynamics and Fatigue Analysis of Planetary Gear Trains under Random Loading
随机载荷下行星齿轮系的动力学和疲劳分析
- 批准号:
RGPIN-2015-04261 - 财政年份:2018
- 资助金额:
$ 1.6万 - 项目类别:
Discovery Grants Program - Individual
Dynamics and Fatigue Analysis of Planetary Gear Trains under Random Loading
随机载荷下行星齿轮系的动力学和疲劳分析
- 批准号:
RGPIN-2015-04261 - 财政年份:2017
- 资助金额:
$ 1.6万 - 项目类别:
Discovery Grants Program - Individual
Dynamics and Fatigue Analysis of Planetary Gear Trains under Random Loading
随机载荷下行星齿轮系的动力学和疲劳分析
- 批准号:
RGPIN-2015-04261 - 财政年份:2016
- 资助金额:
$ 1.6万 - 项目类别:
Discovery Grants Program - Individual
Dynamics and Fatigue Analysis of Planetary Gear Trains under Random Loading
随机载荷下行星齿轮系的动力学和疲劳分析
- 批准号:
RGPIN-2015-04261 - 财政年份:2015
- 资助金额:
$ 1.6万 - 项目类别:
Discovery Grants Program - Individual
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