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Time Varying Mesh Stiffness Calculation for Helical Gear with Spalling Fault Considering Installation Eccentricity
Spalling fault is one kind of common faults in helical gear systems. Time varying mesh stiffness (TVMS) is preferred to be calculated to investigate...
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Spur gear time-varying mesh stiffness considering meshing phase difference caused by angle misalignment error
Angle misalignment error is a common issue in gear transmission systems that can alter the contact state between gear pairs and change their internal...
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Meshing characteristic analysis of spur gear pair with tooth surface wear fault based on improved fractal method
The three-dimensional (3D) fractal contact model of the interaction between gear teeth is established considering the actual surface morphology of...
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Unified method for typical gear failure modeling and stiffness calculation based on the matrix equation
The failure types in gear systems vary, with typical ones mainly including pitting, cracking, wear, and broken teeth. Different modeling and...
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A mesh stiffness model with the asperity contact for spur gear in mixed elastohydrodynamic lubrication
The gear time-varying mesh stiffness (TVMS) calculation is the basis for analyzing gear dynamics, which has considerable effects on the optimal...
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An iterative model for mesh stiffness of spur gears considering slice coupling under elastohydrodynamic lubrication
Elastohydrodynamic lubrication (EHL) plays a crucial role in reducing surface deformation and friction, leading to improved stability and reliability...
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A novel modeling method for evaluating the time-varying mesh stiffness of gears with pitting based on point cloud processing algorithm
The research on the time-varying meshing stiffness (TVMS) of gears provides a theoretical basis for the extraction of fault features. Pitting is a...
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A novel analytical model for evaluating the time-varying meshing stiffness of helical gears under irregular pitting failure
Helical gear teeth are subject to spalling, pitting and other failures under prolonged operation, which can contribute to a reduction in the...
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Dynamic characteristics analysis of profile-shifted planetary gears considering friction
Focusing on center distance adjustment, fatigue life balance, undercutting avoidance, wear improvement and load carrying capacity enhancement...
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Modeling and vibration feature analysis of a spur gear-bearing system with a misaligned shaft angle
A gear-bearing dynamic model is presented to investigate the vibration features of the system with a misaligned shaft angle. The time-varying mesh...
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Electromechanical Modelling and Multi Faults Diagnosis of Straight Bevel Gear Pair with Experimental Validation
Purpose and MethodsThe paper presents the electromechanical modelling of straight bevel gear pair with multiple fault conditions such as healthy...
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Dynamic modelling and analysis of cracked gear system with tip relief based on proposed variable-angle deformation energy integration method
Due to ignoring the effects of the change of the tooth attachment position caused by the cracks, traditional time vary mesh stiffness (TVMS)...
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Nonlinear dynamics analysis of gear system considering time-varying meshing stiffness and backlash with fractal characteristics
The microscopic topography of tooth surface affects the nonlinear dynamic characteristics of the gear system. However, few studies have fully taken...
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Nonlinear dynamic analysis of spur gear pair for varying crack depth scenario
This paper presents an eight degree-of-freedom dynamic model of a spur gear system under varying crack depth scenarios for nonlinear analysis. Unlike...
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Time-varying mesh stiffness model of a modified gear–rack drive with tooth friction and wear
A time-varying mesh stiffness (TVMS) model of a modified gear–rack drive with tooth friction and wear is proposed in this work. The model considers...
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Calculation method of mesh stiffness for helical gear pair with manufacturing errors, assembly errors and tooth modifications
For the accurate calculation of the time-varying mesh stiffness (TVMS) of helical gear pairs, a novel method is proposed in this paper. This proposed...
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General Meshing Modeling and Dynamic Characteristics Analysis of Helical Gear Pair with Tooth Surface Deviation
Pitch error and tooth surface error are inevitable in the machining of helical gears, which will directly impact the time-varying meshing stiffness...
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Analytical Model of Spur Gear Tooth Crack for Evaluating the Effect of Crack Propagation Angle on Vibration Response
Vibration-based health monitoring is considered as an important tool since any anomaly present in the system is manifested through its own vibration...
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Nonlinear mesh stiffness model using slice coupling for straight bevel gear considering axial mesh force component and extended tooth contact
As one of the most important dynamic excitation sources of the gear system, time-varying mesh stiffness (TVMS) is a key parameter of the gear system...
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Dynamic Response Computation of a Wind Turbine Gearbox Under Variable Speed Conditions and its Experimental Validation
PurposeComputation of dynamic response of wind turbine gearbox (WTG) under variable speed conditions is challenging as the mesh stiffness periods...
