A hybrid finite element and analytical model for determining the mesh stiffness of internal gear pairs
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-020-0523-7
Abstract: This work developed an efficient model for calculating the mesh stiffness of spur/helical internal gear pairs by combining the finite element method (FEM) and analytical formula. The tooth global deformation is obtained by separation of… read more here.
Keywords: finite element; mesh stiffness; gear; model ... See more keywords
Mathematical Model and Tooth Contact Analysis of an Internal Helical Gear Pair with Selectable Contact Path
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Precision Engineering and Manufacturing"
DOI: 10.1007/s12541-018-0100-5
Abstract: An internal helical gear pair with point contact pattern based on the space meshing theory is proposed which consists of an involute internal gear and a pinion with quadratic curve profile. Particularly, the contact path… read more here.
Keywords: gear pair; gear; mathematical model; analysis ... See more keywords
An improved mesh stiffness model of helical gear pair considering axial mesh force and friction force influenced by surface roughness under EHL condition
Sign Up to like & getrecommendations! Published in 2021 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2021.10.007
Abstract: Abstract An improved mesh stiffness calculation model of helical gear pair is proposed, in which the transverse gear tooth stiffness, transverse gear foundation stiffness, in addition to axial gear tooth stiffness, axial gear foundation stiffness,… read more here.
Keywords: stiffness; mesh stiffness; friction; model ... See more keywords
Investigation of gear walk suppression while maintaining braking performance in a main landing gear
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.05.026
Abstract: Abstract In this paper, a nonlinear dynamic landing gear model considering the influence of the coupling of the shock absorber stroke variation and the landing gear longitudinal motion with an anti-skid PID braking control system… read more here.
Keywords: gear walk; landing gear; maintaining braking; braking performance ... See more keywords
Deformation and meshing stiffness analysis of cracked helical gear pairs
Sign Up to like & getrecommendations! Published in 2019 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2018.08.028
Abstract: Abstract Based on the slice method, a new method is proposed for calculating the time-varying mesh stiffness (TVMS) of helical gears. The proposed method uses the idea of ‘offset and superposition’ to avoid the repetitive… read more here.
Keywords: helical gears; method; gear; penetrating crack ... See more keywords
Planetary Gear Faults Detection in Wind Turbine Gearbox Based on a Ten Years Historical Data From Three Wind Farms
Sign Up to like & getrecommendations! Published in 2020 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2020.12.2767
Abstract: Abstract Gear faults contribute to a significant portion of failures in wind turbine system. As such, condition monitoring and fault detection of these components assist in maintenance scheduling; hence, preventing catastrophic failures of the gearbox.… read more here.
Keywords: data three; historical data; wind turbine; gear ... See more keywords
NVH robust optimization of gear macro and microgeometries using an efficient tooth contact model
Sign Up to like & getrecommendations! Published in 2017 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2017.07.008
Abstract: Abstract This paper presents a methodology for the multi-objective optimization of both gear macro and microgeometry parameters in order to minimize the Static Transmission Error (STE) and the mesh stiffness fluctuations generated by the meshing… read more here.
Keywords: model; optimization; gear; gear macro ... See more keywords
Hybrid dynamic modeling and analysis of the electric vehicle planetary gear system
Sign Up to like & getrecommendations! Published in 2020 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2020.103860
Abstract: Abstract In this study, a hybrid model is proposed for the flexible helical planetary gear by coupling the lumped-parameter dynamic models for the sun and planets, and reduced FEMs (finite element models) for the ring… read more here.
Keywords: planetary gear; analysis; model; dynamic modeling ... See more keywords
Gear-based characterization of the Gizo, Solomon Islands, inshore commercial finfish fishery
Sign Up to like & getrecommendations! Published in 2019 at "Regional Studies in Marine Science"
DOI: 10.1016/j.rsma.2019.100807
Abstract: Abstract In 2015–2016, a gear-specific assessment of the Gizo, Solomon Islands, commercial inshore fishery was conducted to assist management decision making. The survey identified at least 260 species and 25 families among over 14,000 individual… read more here.
Keywords: fishery; gizo solomon; gear; gear specific ... See more keywords
Phenomenon-model-based AM-FM vibration mechanism of faulty spur gear
Sign Up to like & getrecommendations! Published in 2019 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2019.106366
Abstract: Abstract Vibration responses of faulty gear contain modulation components that are commonly used as the indicators to detect the fault. The modulation mechanism has not been revealed clearly, especially the sideband distribution of amplitude modulation… read more here.
Keywords: modulation; mechanism; vibration; gear ... See more keywords
Multi-objective optimal design of modification for helical gear
Sign Up to like & getrecommendations! Published in 2021 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2021.107762
Abstract: Abstract Vibration and noise produced in the process of gear transmission and uneven distribution load on tooth surface seriously affect the transmission performance of gear system. Gear modification is a valid technology to solve this… read more here.
Keywords: tooth surface; gear; multi objective; modification ... See more keywords