Results 141 to 150 of about 62,246 (314)
Dynamic analysis of multimesh-gear helicopter transmissions [PDF]
A dynamic analysis of multimesh-gear helicopter transmission systems was performed by correlating analytical simulations with experimental investigations.
Choy, Fred K. +2 more
core +1 more source
Моделювання частотних характеристик планетарного колісного редуктора [PDF]
A dynamic model of the planetary wheel gear in trolleybus transmission is represented as a linear oscillatory multimass system. The effect of the number of satellites, their stiffness and rigidity of support shalf-bridge is researched on main frequency ...
Гутиря, С. С. +2 more
core
Analysis of Load Sharing Characteristics of Planetary Gear Trains Considering Temperature Effects
In order to analyze the change of load sharing characteristics of the planetary gear transmission system under the influence of temperature change, a pure torsional multi-degree of freedom dynamic model of the spur gear planetary gear train was ...
Gu Yunpeng
doaj
Design and Motion Analysis of a Planetary Gear Type Power Coupling Device Used in HEV
Based on the power system parameters of a certain type Hybrid Electric Vehicle( HEV),a planetary gear type power coupling device is designed for power transmission structure which can meet the requirement of power.
Gao Aiyun, Tian Songwen
doaj
Efficiency study comparing two helicopter planetary reduction stages [PDF]
A study was conducted to compare the efficiency of two helicopter transmission planetary reduction stages. Experimental measurements and analytical predictions were made. The analysis predicted and experiments verified that one planetary stage was a more
Handschuh, Robert F., Krantz, Timothy L.
core +1 more source
STUDY ON PROFILE MODIFICATION OF GEAR COUPLING USED IN PLANETARY TRANSMISSION
For the planet transmission device whose sun gear shaft is connected with tooth coupling,floating displacement of the sun gear directly determines tilt angle compensating of the tooth coupling,However,because of the sun gear ’s floating displacement ...
TAN YuanQiang +4 more
doaj
Thermal analysis of a planetary transmission with spherical roller bearings operating after complete loss of oil [PDF]
Planetsys and Spherbean, two computer programs developed for the analysis of rolling element bearings, were used to simulate the thermal performance of an OH-58 helicopter main rotor transmission. A steady state and a transient thermal analysis were made
Coe, H. H.
core +1 more source
A Novel Method for the Fault Diagnosis of a Planetary Gearbox based on Residual Sidebands from Modulation Signal Bispectrum Analysis [PDF]
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).
Abdalla, Gaballa M. +4 more
core
Aiming at the failure problem of planetary transmission system due to the resonance in the process of actual application,by using 3D modeling software Pro/E a planetary transmission system entity model is established,the modal analysis of planetary ...
陈俊锋, 刘晓辉, 谭长均
doaj

