Research on dynamical characteristics of wind turbine gearboxes with flexible pins

Zhu, Caichao; Xu, Xiangyang; Liu, Huaiju; Luo, Tianhong; Zhai, Hongfei

doi:10.1016/j.renene.2014.02.047

Cited by 51 publications

(25 citation statements)

References 9 publications

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“…Even though conventional lumped parameter model can incorporate an equivalent mass matrix and stiffness matrix of housing into the whole system [9,10,18,20], they failed to take into consideration the housing impedance directly when the housing model is not given and only impedance is known. In order to compare the impedance model with the lumped model, the geared transmission system (without housing) is studied by both impedance synthesis method and lumped method.…”

Section: Model Validationmentioning

confidence: 99%

“…Dynamic modeling methods that are able to take into account the housing compliance include finite element method (FEM) [6][7][8], static substructure synthesis method (often referred to as simply substructure synthesis method) [9,10], multibody dynamic modeling method [11], substructural modal synthesis method (often referred to as dynamic substructural synthesis method) [12], and substructural mobility synthesis method [13,14]. Lim and Singh [15] reviewed the overall gearbox dynamics and discussed the major modeling challenges.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Impedance Synthesis Based Vibration Analysis of Geared Transmission System

Ren

Chang

Liu

et al. 2017

Shock and Vibration

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The severity of gear noise response depends on the sensitivity of geared rotor system dynamics to the transmission error. As gearbox design trending towards lighter weight and lower noise, the influence of housing compliance on system dynamic characteristics cannot be ignored. In this study, a gear-shaft-bearing-housing coupled impedance model is proposed to account for the effect of housing compliance on the vibration of geared transmission system. This proposed dynamic model offers convenient modeling, efficient computing, and ability to combine computed parameters with experimental ones. The numerical simulations on system dynamic characteristics are performed for both a rigid housing configuration and a flexible one. Natural frequencies, dynamic mesh forces, and dynamic bearing reaction loads are computed, and the housing compliance contribution on system dynamic characteristics is analyzed. Results show that increasing housing compliance will decrease the system natural frequencies and will affect the dynamic bearing reaction loads significantly but have very little influence on the dynamic mesh force. Also, the analysis shows that bearing stiffness has significant influence on the degree of housing contribution on system dynamic characteristics.

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Section: Model Validationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Impedance Synthesis Based Vibration Analysis of Geared Transmission System

Ren

Chang

Liu

et al. 2017

Shock and Vibration

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show abstract

“…Chen and Shao studied the influences of cracks on the mesh stiffness and the dynamic performance of the planetary gear set [8]. Some other research works on the dynamics of planetary gearbox are [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Effects of Tooth Breakage Size and Rotational Speed on the Vibration Response of a Planetary Gearbox

2017

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“…Several studies have been developed to study the dynamic behaviour of wind turbines (Abboudi et al, 2011; Helsen et al, 2011;Zhu et al, 2014). However, the modelling of these mechanical systems admits strong dispersions and uncertainties.…”

Section: Introductionmentioning

confidence: 99%

Influence of uncertainty in aerodynamic performance on the dynamic response of a two stage gear system

Tounsi¹,

Beyaoui²,

Abboudi³

et al. 2016

jtam

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In this paper, the nonlinear dynamic response in a wind turbine system is considered and the quantification of uncertainty effects on the variability of this nonlinear response is investigated. Under dynamic conditions, a lumped model with 12 degrees of freedom is proposed taking into account the uncertainty associated to the power coefficient of the input aerodynamic torque. The dynamic response of the two-stage spur gear system is obtained using ODE45 solver of Matlab. The Polynomial Chaos (PC) method is used to introduce the uncertainties on the proposed model. A comparison between the two dynamic responses given by the proposed lumped dynamic model takes into account the uncertainty. It is performed on the existed model without uncertainty. Thus, the efficiency and robustness of the proposed new methodology is evaluated.

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Research on dynamical characteristics of wind turbine gearboxes with flexible pins

Cited by 51 publications

References 9 publications

Impedance Synthesis Based Vibration Analysis of Geared Transmission System

Impedance Synthesis Based Vibration Analysis of Geared Transmission System

Effects of Tooth Breakage Size and Rotational Speed on the Vibration Response of a Planetary Gearbox

Influence of uncertainty in aerodynamic performance on the dynamic response of a two stage gear system

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