Diagnosis of Combination Faults in a Planetary Gearbox using a Modulation Signal Bispectrum based Sideband Estimator [PDF]
, 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
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Transmission error in spur gears: Static and dynamic finite-element modeling and design optimization [PDF]
, 2010 This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University, 07/10/2010.The gear noise problem that widely occurs in power transmission systems is typically characterised by one or more high amplitude acoustic ...
Tharmakulasingam, Raul
core +7 more sources
Pitting damage levels estimation for planetary gear sets based on model simulation and grey relational analysis [PDF]
, 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
A Novel Method for the Fault Diagnosis of a Planetary Gearbox based on Residual Sidebands from Modulation Signal Bispectrum Analysis [PDF]
, 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
Misalignment diagnosis of a planetary gearbox based on vibration analysis [PDF]
, 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 +6 more
core +3 more sources
Modelling of Elastic Gearboxes Using a Generalized Gear Contact Model [PDF]
, 2012 The object of this paper is to present an universal model that describes the gear contact between two gears in a planar environment. The model includes elastic effects between the gear wheels.
Franciscus van der Linden +1 more
core +1 more source
Design and finite element mode analysis of noncircular gear [PDF]
, 2008 The noncircular gear transmission is an important branch of the gear transmission, it is characterized by its compact structure, good dynamic equilibration and other advantages, and can be used in the automobile, engineering machine, ship, machine tool ...
Qiu, H +5 more
core +4 more sources
Planetary Gearbox Fault Diagnosis Using Envelope Manifold Demodulation
Shock and Vibration, 2016 The important issue in planetary gear fault diagnosis is to extract the dependable fault characteristics from the noisy vibration signal of planetary gearbox.
Weigang Wen +2 more
doaj +1 more source
Condition Monitoring of Gear Systems using Vibration Analysis [PDF]
It is often impractical to measure vibrations directly at /or close to their sources when condition monitoring gearbox systems. It is common to measure the vibration distant from the source due to limited access to the component which is to be monitored.
Al-Arbi, Salem
core +3 more sources
Jixie chuandong, 2014 Through the analysis of the planetary gear mechanism,the motion equations for planetary gear node are established.The conditions of planetary gear mechanism achieving linear motion are obtained by using solution algorithm.Analysis on institutions sketch ...
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