Feature extraction based on PSO-FC optimizing KPCA and wear fault identification of planetary gear
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-021-0507-2
Abstract: The feature extraction problem of coupled vibration signals with multiple fault modes of planetary gear has not been solved effectively. At present, kernel principal component analysis (KPCA) is usually used for nonlinear feature extraction, but… read more here.
Keywords: feature extraction; feature; kpca; planetary gear ... See more keywords
Study on planetary gear fault diagnosis based on variational mode decomposition and deep neural networks
Sign Up to like & getrecommendations! Published in 2018 at "Measurement"
DOI: 10.1016/j.measurement.2018.08.002
Abstract: Abstract Planetary gear failures occur frequently in working conditions at low speeds, large loads, and closed operating environments, which makes the identification of faults a difficult task. A fault diagnosis method for planetary gear based… read more here.
Keywords: variational mode; planetary gear; fault diagnosis; neural networks ... See more keywords
A new fault diagnosis method for planetary gear based on image feature extraction and bag-of-words model
Sign Up to like & getrecommendations! Published in 2019 at "Measurement"
DOI: 10.1016/j.measurement.2019.05.046
Abstract: Abstract Because the fault features of planetary gear are very weak, the feature extraction process of planetary gear fault under traditional thinking is becoming more and more complex, and the amount of extracted features is… read more here.
Keywords: feature extraction; planetary gear; fault;
New teeth surface and back (TSB) modification method for transient torsional vibration suppression of planetary gear powertrain for an electric vehicle
Sign Up to like & getrecommendations! Published in 2019 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2019.06.018
Abstract: Abstract Advantages of planetary gear powertrain (PGT) for electric vehicles (EVs) are the high degree of efficiency, various reduction ratio, stress distribution by the planet gear and compaction in designing driving system. However there is… read more here.
Keywords: vehicle; vibration; planetary gear; tsb modification ... See more keywords
A basis for the computer-aided design of the topological structure of planetary gear trains
Sign Up to like & getrecommendations! Published in 2020 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2019.103690
Abstract: Abstract The design of the optimal topology of transmission systems based on planetary gear trains (PGTs) has become one of the most important problems for the development of many multi-source power systems, such as hybrid… read more here.
Keywords: planetary gear; topology; structure; computer ... See more keywords
Electric vehicles with two motors combined via planetary gear train
Sign Up to like & getrecommendations! Published in 2020 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2020.103789
Abstract: Abstract Electric vehicles are usually required to work in rapidly changing conditions of speed and torque. This often makes the motors run in low-efficiency condition. Thanks to the integration of powerful processors, drive electronics for… read more here.
Keywords: electric vehicles; gear train; planetary gear; vehicles two ... 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
Planetary gear sets power loss modeling: Application to wind turbines
Sign Up to like & getrecommendations! Published in 2017 at "Tribology International"
DOI: 10.1016/j.triboint.2016.09.029
Abstract: Abstract Power losses in any geared-transmission can be attributed to gear-mesh and bearing-contact frictional effects and the interaction of rolling element bearings and gears with the lubricating medium. In this paper, a composite power loss… read more here.
Keywords: sets power; power loss; planetary gear; gear sets ... See more keywords
Vibration modelling and fault evolution symptom analysis of a planetary gear train for sun gear wear status assessment
Sign Up to like & getrecommendations! Published in 2022 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2021.108403
Abstract: Abstract The diagnosis and monitoring of surface wear are very critical for the prevention of shutdown and even catastrophic destruction of a geared transmission system. However, the detection for the evolutionary status of surface wear… read more here.
Keywords: status; fault; planetary gear; vibration ... See more keywords
Application of flexible pin for planetary gear set of wind turbine gearbox
Sign Up to like & getrecommendations! Published in 2022 at "Scientific Reports"
DOI: 10.1038/s41598-022-05828-1
Abstract: Wind turbines are eco-friendly energy sources that generate electricity from wind power. Among their various components, gearboxes constitute the most critical loss owing to their longest downtime. To guarantee their durability, a flexible pin was… read more here.
Keywords: load; planetary gear; wind; flexible pin ... See more keywords
Application of fuzzy entropy for the rating of epicyclic gear trains
Sign Up to like & getrecommendations! Published in 2020 at "Australian Journal of Mechanical Engineering"
DOI: 10.1080/14484846.2018.1465378
Abstract: Abstract A Planetary gear train (PGT) is a system containing a total of three or more gears where a ring gear encircles the entire system. There are three main parts to planetary gear systems, often… read more here.
Keywords: epicyclic gear; planetary gear; gear trains; fuzzy entropy ... See more keywords