Results 11 to 20 of about 210,108 (196)

Simulation of Planetary Gearbox [PDF]

open access: yesCommunications, 2017
This article is about calculation of planetary gearbox. The gearbox consists of two planetary gears - input and output. The gearbox model is created in Simscape Driveline.
Maria Tomasikova   +3 more
doaj   +3 more sources

Vehicle Planetary Gearbox Simulation [PDF]

open access: yesLogi, 2018
This article is about design and calculation of planetary gearbox which can be used in transport applications. The gearbox is designed with respect to the input parameters. The gearbox has two planetary gears.
Gajdosik Tomas   +3 more
doaj   +3 more sources

Planetary Gearbox Vibration Signal Characteristics Analysis and Fault Diagnosis [PDF]

open access: yesShock and Vibration, 2015
Planetary gearboxes are widely used in helicopters, wind turbines, mining machinery, and so forth. The structure and motion type of a planetary gearbox are more complex in comparison with a fixed-shaft one, which makes condition monitoring and fault ...
Qiang Miao, Qinghua Zhou
doaj   +2 more sources

Diagnosis of Combination Faults in a Planetary Gearbox using a Modulation Signal Bispectrum based Sideband Estimator [PDF]

open access: yes, 2015
This paper presents a novel method for diagnosing combination faults in planetary gearboxes. Vibration signals measured on the gearbox housing exhibit complicated characteristics because of multiple modulations of concurrent excitation sources, signal ...
Gu, Fengshou   +4 more
core   +4 more sources

Misalignment diagnosis of a planetary gearbox based on vibration analysis [PDF]

open access: yes, 2014
As a critical power transmission system, planetary gearbox is widely used in many industrial important machines such as wind turbines, aircraft turbine engines, helicopters.
Gu, Fengshou   +4 more
core   +3 more sources

Fault diagnosis of planetary gearbox based on multi-information fusion and convolutional neural network

open access: yesGong-kuang zidonghua, 2022
The fault diagnosis method of planetary gearbox based on machine learning relies on the artificial selection of the eigenvectors. The quality of eigenvectors selection largely determines the accuracy of the diagnosis method.
SHI Zhiyuan, TENG Hu, MA Chi
doaj   +1 more source

A Novel Method for the Fault Diagnosis of a Planetary Gearbox based on Residual Sidebands from Modulation Signal Bispectrum Analysis [PDF]

open access: yes, 2014
This paper presents a novel method for the fault diagnosis of planetary gearboxes based on an accurate estimation of residual sidebands using a modulation signal bispectrum (MSB).
Gu, Fengshou   +4 more
core   +3 more sources

Accounting for nonstationarity in the condition monitoring of wind turbine gearboxes [PDF]

open access: yes, 2013
Increasing growth of wind turbine systems suggests a more systematic research around their design, operation and maintenance is needed. These systems operate under challenging enviromental conditions and failure of some of their parts, for the time being,
Antoniadou, Ifigeneia
core   +6 more sources

Pitting damage levels estimation for planetary gear sets based on model simulation and grey relational analysis [PDF]

open access: yes, 2011
The planetary gearbox is a critical mechanism in helicopter transmission systems. Tooth failures in planetary gear sets will cause great risk to helicopter operations.
Gu, Fengshou   +3 more
core   +3 more sources

Multi-Body Dynamics Modeling and Analysis of Planetary Gearbox Combination Failure Based on Digital Twin

open access: yesApplied Sciences, 2022
Existing studies on the dynamic characteristics of planetary gearboxes are generally based on traditional modeling methods. The models were idealized because of various uncertain factors that affect the dynamic characteristics of the planetary gearbox ...
Daoyong Zhu, Zhinong Li, Niaoqing Hu
doaj   +1 more source

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