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Analysis of planetary gear transmission in non-stationary operations

Fakher CHAARI, Mohamed Slim ABBES, Fernando Viadero RUEDA, Alfonso Fernandez del RINCON, Mohamed HADDAR

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 1,   Pages 88-94 doi: 10.1007/s11465-013-0361-8

Abstract:

Planetary gearboxes operate usually in non-stationary conditions generated mainly by variable loadsIn order to understand the dynamic behavior of planetary gearboxes in such conditions, a mathematic model

Keywords： planetary gearbox     non-stationary conditions     variable load     dynamic response     time frequency analysis    

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Planet position errors in planetary transmission: Effect on load sharing and transmission error

Miguel IGLESIAS, Alfonso FERNáNDEZ, Ana DE-JUAN, Ramón SANCIBRIáN, Pablo GARCíA

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 1,   Pages 80-87 doi: 10.1007/s11465-013-0362-7

Abstract:

In this paper an advanced model of spur gear transmissions developed by the authors is used to studyThe model, initially conceived for external gear modeling, has been extended with internal meshing features, and thus increasing its capabilities to include planetary transmission modeling.The parameters and characteristics of the planetary transmission used in the paper are introduced.Two different configurations for the planetary transmission are used, attending to the fixed or floating

Keywords： gear     planetary     epicyclic     transmission     load sharing     transmission error    

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Coordinated shift control of nonsynchronizer transmission for electric vehicles based on dynamic tooth alignment

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 887-900 doi: 10.1007/s11465-021-0653-3

Abstract: economic performance of electric vehicles (EVs), but the coordinated control of the drive motor and gearshift mechanism during gear shifting is still a difficult challenge because gear shifting may causeTo improve the swiftness of gear shifting, this paper proposes a coordinated shift control method basedAfter the speed difference between the sleeve (SL) and target dog gear is reduced to a certain valueA two-speed planetary NSAMT is taken as an example to carry out comparative simulations and bench experiments

Keywords： electric vehicle     nonsynchronizer automated mechanical transmission (NSAMT)     planetary gear     coordinated    

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High-precision gyro-stabilized control of a gear-driven platform with a floating gear tension device

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 487-503 doi: 10.1007/s11465-021-0635-5

Abstract: improved compound control algorithm that substantially enhances the anti-disturbance performance of a gear-drivegyro-stabilized platform with a floating gear tension device.However, the weaker gear support stiffness and more complex meshing friction are also induced by theFirst, the structural properties of the gear transmission and the friction-generating mechanism are analyzedpointing system with a floating gear tension device, which shows a maximum 76% improvement in stabilization

Keywords： inertially stabilized platform     floating gear tension device     nonlinear friction     disturbance compensation    

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100 Years of Gear Measurement Technology——Review & Prospect

Shi Zhaoyao,Fei Yetai,Xie Huakun

Strategic Study of CAE 2003, Volume 5, Issue 9,   Pages 13-17

Abstract:

The evolution of gear measurement technology in the past 100 years is fully reviewed, and 6 key issuesrelated to gear metrology are listed.Emphases are laid on the development of gear measurement principles, the evolution of technical measuresMeanwhile, the principle, configuration and features of present-day CNC Gear Measuring Center are introducedA few of new phenomena in the field of gear measurement technology are remarked, and some research topics

Keywords： gear     gear measurement     gear deviation     gear measuring instrument    

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Gear fault diagnosis using gear meshing stiffness identified by gearbox housing vibration signals

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0713-3

Abstract: Therefore, using gearbox housing vibration signal to identify gear meshing excitation signal is of greatThis paper establishes an analytical mathematical description of the whole transfer process from gearThe gear meshing stiffness (GMS) identification approach is proposed by using housing vibration signalsNumerical simulation and experimental results demonstrate the proposed method can realize gear faultspectra, and the results also validate the rationality of using meshing stiffness to describe the actual gear

Keywords： gearbox fault diagnosis     meshing stiffness     identification     transfer path     signal processing    

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Principle and curve of planetary indexing cam mechanisms

LIU Ming-tao, ZHANG Ce, YANG Yu-hu

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 475-478 doi: 10.1007/s11465-006-0063-6

Abstract: A new type of planetary indexing cam mechanism called type !c is presented.

Keywords： continuity     planetary     average transmission     symmetry     intermittent    

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Russian school of the theory and geometry of gearing: Its origin and golden period (1935 --1975)

Dmitry BABICHEV,Sergey LAGUTIN,Natalya BARMINA

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 1,   Pages 44-59 doi: 10.1007/s11465-015-0360-z

Abstract: leaders in the theory and geometry of gearing or the theoretical fundamentals of designing gears and gear-cuttingThis review involves some works on gear strength and accuracy to attract more experts.

Keywords： theory of gearing (TG)     gear geometry     generating surface     gear synthesis     gear analysis    

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Fault feature extraction of planet gear in wind turbine gearbox based on spectral kurtosis and time wavelet

Yun KONG, Tianyang WANG, Zheng LI, Fulei CHU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 406-419 doi: 10.1007/s11465-017-0419-0

Abstract:

Planetary transmission plays a vital role in wind turbine drivetrains, and its fault diagnosis hasvibration transfer path, and heavy background noise masking effect, the vibration signal of planet gearimpulsive components induced by a localized defect are hard to extract, and the fault detection of planet gearAiming to extract the fault feature of planet gear effectively, we propose a novel feature extractionthat the proposed method is effective at the feature extraction and fault diagnosis for the planet gear

Keywords： wind turbine     planet gear fault     feature extraction     spectral kurtosis     time wavelet energy spectrum    

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Experimental investigation of fatigue behavior of spur gear in altered tooth-sum gearing

H. K. SACHIDANANDA, Joseph GONSALVIS, H. R. PRAKASH

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 268-278 doi: 10.1007/s11465-012-0331-6

Abstract:

This paper deals with the contact stress, power loss, and pitting of spur gear tooth in altered tooth-sum

Keywords： spur gear     power recirculating test rig     altered tooth-sum gearing     scanning electron microscopy (SEM)    

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Mesh relationship modeling and dynamic characteristic analysis of external spur gears with gear wear

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 9-9 doi: 10.1007/s11465-021-0665-z

Abstract: Gear wear is one of the most common gear failures, which changes the mesh relationship of normal gearthe model of mesh relationship and reveal the vibration characteristics of external spur gears with gearthe influence of gear wear on mesh stiffness and unloaded static transmission error (USTE).Based on the mesh stiffness and USTE considering gear wear, a gear dynamic model is established, andthe vibration characteristics of gear wear are numerically studied.

Keywords： gear wear     mesh relationship     mesh stiffness     transmission error     vibration characteristics    

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Mathematical model and manufacture programming of loxodromic-type normal circular-arc spiral bevel gear

Zhenyun DUAN, Houjun CHEN, Zhilan JU, Jian LIU

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 312-321 doi: 10.1007/s11465-012-0308-5

Abstract:

In this paper, loxodromic-type normal circular-arc spiral bevel gear is proposed as a novel applicationof the circular-arc tooth profile at the gear transmission with intersecting axes.investigated, and the obtained results primarily reflect the superior performance of the proposed novel gear

Keywords： loxodrome     circular-arc tooth profile     Wildhaber-Novikov (W-N) gear     spiral bevel gear    

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Design optimization of a wind turbine gear transmission based on fatigue reliability sensitivity

Genshen LIU, Huaiju LIU, Caichao ZHU, Tianyu MAO, Gang HU

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 61-79 doi: 10.1007/s11465-020-0611-5

Abstract: Fatigue failure of gear transmission is one of the key factors that restrict the performance and serviceOne of the major concerns in gear transmission under random loading conditions is the disregard of dynamicIn this work, a novel gear transmission optimization model based on dynamic fatigue reliability sensitivityis developed to predict the optimal structural parameters of a wind turbine gear transmission.In the model, the dynamic fatigue reliability of the gear transmission is evaluated based on stress–strength

Keywords： gear transmission     fatigue reliability     reliabi-lity sensitivity     parameter optimization    

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Contact fatigue life prediction of a bevel gear under spectrum loading

Pan JIA, Huaiju LIU, Caichao ZHU, Wei WU, Guocheng LU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 123-132 doi: 10.1007/s11465-019-0556-8

Abstract: An accurate geometry model of a hypoid gear utilized in the main reducer of a heavy-duty vehicle is developedin this study with the commercial gear design software MASTA.

Keywords： bevel gear     rolling contact fatigue (RCF)     multiaxial fatigue criterion     load spectrum     damage accumulation    

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Coupled Thermo-Mechanical Simulation of Gear Preforming Based on Finite Deformation Theory

Ying Fuqiang,Pan Xiaoyong,Li Min

Strategic Study of CAE 2007, Volume 9, Issue 7,   Pages 47-52

Abstract:

Gear preforming by cross wedge rolling is an original question for discussionThis paper ties the advantages of preforming by CWR and the principle of generated gear together, andthe die suited for gear rolling has been designed.Based on the finite deformation theory, the coupled thermal-mechanical constitutive model of gear rollingfrom the simulation has been analyzed also in detail which provide references for further study of gear

Keywords： cross wedge rolling(CWR)     gear     coupled thermo-mechanical     FEM    

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Title Author Date Type Operation

Analysis of planetary gear transmission in non-stationary operations

Fakher CHAARI, Mohamed Slim ABBES, Fernando Viadero RUEDA, Alfonso Fernandez del RINCON, Mohamed HADDAR

Journal Article

Planet position errors in planetary transmission: Effect on load sharing and transmission error

Miguel IGLESIAS, Alfonso FERNáNDEZ, Ana DE-JUAN, Ramón SANCIBRIáN, Pablo GARCíA

Journal Article

Coordinated shift control of nonsynchronizer transmission for electric vehicles based on dynamic tooth alignment

Journal Article

High-precision gyro-stabilized control of a gear-driven platform with a floating gear tension device

Journal Article

100 Years of Gear Measurement Technology——Review & Prospect

Shi Zhaoyao,Fei Yetai,Xie Huakun

Journal Article

Gear fault diagnosis using gear meshing stiffness identified by gearbox housing vibration signals

Journal Article

Principle and curve of planetary indexing cam mechanisms

LIU Ming-tao, ZHANG Ce, YANG Yu-hu

Journal Article

Russian school of the theory and geometry of gearing: Its origin and golden period (1935 --1975)

Dmitry BABICHEV,Sergey LAGUTIN,Natalya BARMINA

Journal Article

Fault feature extraction of planet gear in wind turbine gearbox based on spectral kurtosis and time wavelet

Yun KONG, Tianyang WANG, Zheng LI, Fulei CHU

Journal Article

Experimental investigation of fatigue behavior of spur gear in altered tooth-sum gearing

H. K. SACHIDANANDA, Joseph GONSALVIS, H. R. PRAKASH

Journal Article

Mesh relationship modeling and dynamic characteristic analysis of external spur gears with gear wear

Journal Article

Mathematical model and manufacture programming of loxodromic-type normal circular-arc spiral bevel gear

Zhenyun DUAN, Houjun CHEN, Zhilan JU, Jian LIU

Journal Article

Design optimization of a wind turbine gear transmission based on fatigue reliability sensitivity

Genshen LIU, Huaiju LIU, Caichao ZHU, Tianyu MAO, Gang HU

Journal Article

Contact fatigue life prediction of a bevel gear under spectrum loading

Pan JIA, Huaiju LIU, Caichao ZHU, Wei WU, Guocheng LU

Journal Article

Coupled Thermo-Mechanical Simulation of Gear Preforming Based on Finite Deformation Theory

Ying Fuqiang,Pan Xiaoyong,Li Min

Journal Article