Results 71 to 80 of about 210,108 (196)
EXPERIMENTAL DETERMINATION OF THE EFFICIENCY OF A COMPOUND PLANETARY GEARBOX
ProceedingsPlanetary gear transmissions are essential components of industrial machinery due to their small size in relation to their rated power, high transmission ratios, and capability to transmit large torques within a compact design. They are widely applied in automotive, aerospace, and construction machinery industries owing to their reliable and efficient ...
Sanjin Troha +4 more
openaire +2 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
Design of a Mechanical Power Circulation Test Rig for a Wind Turbine Gearbox
Applied Sciences, 2020 We developed a mechanical power circulation test rig for a wind turbine gearbox with a power rating of 5.8 MW or less. The test rig consists of an electric motor, two auxiliary gearboxes, a torque-applying device, lubrication systems, cooling systems ...
Geun-Ho Lee +4 more
doaj +1 more source
Energy Technology, Volume 14, Issue 4, April 2026.Integrating powertrain electrification with efficient engines using low‐carbon fuels like natural gas (NG) improves energy conversion efficiency and mitigates greenhouse gas (GHG) emissions in heavy‐duty (HD) trucks. High‐pressure direct injection (HPDI) NG engines, using less than 5% diesel (energy basis) as pilot fuel, offer diesel‐like efficiency ...
Sina Moghadasi +3 more
wiley +1 more source
Design and Performance of a Planetary Gearbox with Two DOFs
MachinesThe article aims to describe the design and operation of a fundamentally new self-regulating planetary transmission, which, without a control system, changes the gear ratio under the influence of a variable external load. A self-regulating transmission can be created based on a kinematic chain with two degrees of freedom, having only one input ...
Dana Tulekenova +3 more
openaire +2 more sources
Parametric oscillations in planetary wheel gearboxes
Bulletin of the National Technical University «KhPI» Series: Engineering and CAD, 2018 Разработана математическая модель параметрических колебаний в планетарных колесных редукторах (ПКР) троллейбусов. Модель учитывает циклические деформации тонкостенного обода и зубьев в зацеплении эпицикла с сателлитами. Дифференциальное уравнение колебаний эпицикла приведено к виду уравнений Матье-Хилла с переменными периодическими коэффициентами.
Yaglinskij, Viktor +3 more
openaire +3 more sources
Application of GA-ACO Optimized BP Neural Network in Fault Diagnosis of Planetary Gearbox
Jixie chuandong, 2021 Aiming at the problems of low fault recognition rate， slow convergence speed and difficult parameter selection in the process of fault diagnosis of planetary gearbox based on BP neural network improved by optimization algorithm， a GA-ACO algorithm is ...
Chang Gao, Zhongqing Yu, Qiang Zhou
doaj
OPPORTUNITIES FOR THE APPLICATION OF A PLANETARY GEARBOX AS A REVERSING UNIT
ProceedingsThe gearbox has been designed as a two-carrier unit with two brakes, and it has been depicted using the Wolf-Arnaudov symbols. The ideal torque ratios for six pairs of reversing gear ratios have been determined and the relationship between the ideal torque ratios of both planetary gear setsrequired for obtaining reversible transmission ratios was ...
Sanjin TROHA +4 more
openaire +1 more source
Fault Analysis and Structural Improvement Design of Planetary Gear in Wind Turbine Gearbox
Jixie chuandong, 2019 Focusing on planetary gear fault of traditional NGW type wind turbine gearbox， the fault analysis in the process of using is carried out， finding out why the planetary gear is damaged and an improved design of transmission structure for wind turbine ...
Yonghong Li
doaj
Jixie chuandong, 2022 Aiming at the problem that the vibration signal of planetary gearboxes has strong non-stationary characteristics， few fault samples and the dependence of traditional deep learning on data， an intelligent diagnosis method for planetary gearboxes based on ...
Xinxin Lu, Jun Ma, Yingcong Zhang
doaj