Results 51 to 60 of about 218,591 (239)
Pitting damage levels estimation for planetary gear sets based on model simulation and grey relational analysis [PDF]
, 2011 The planetary gearbox is a critical mechanism in helicopter transmission systems. Tooth failures in planetary gear sets will cause great risk to helicopter operations.
Gu, Fengshou +3 more
core +3 more sources
Condition monitoring of gearboxes using acoustic emission [PDF]
, 2010 Acoustic emission (AE) is one of many technologies for health monitoring and diagnosis of rotating machines such as gearboxes. Although significant research has been undertaken in understanding the potential of AE in monitoring gearboxes this has been ...
Eftekharnejad, Babak
core +4 more sources
Jixie chuandong, 2014 According to the actual process of worm grinding wheel forming helical gear,the parameter mathematics model of the surface of helical gear and fillet is established.The helical gear tooth profile modification curve is achieved by modifying the profile of
曾红, 刘鹏, 唐文, 王延忠
doaj
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.A lightweight hybrid backpack integrating SC‐TENGs and R‐EMGs harvests biomechanical energy during walking. With a low activation speed of 3 km h−1 and a high specific power of 0.18 W kg−1, it enables self‐powered field safety management. The power backpack refers to an energy‐harvesting solution engineered to mitigate battery reliance in wearable ...
Jie Chen +6 more
wiley +1 more source
Jixie chuandong, 2018 A kind of Hindley worm and cylindrical helical gear is presented. According to the geometrical parameters of Hindley worm,the geometric parameters of the helical gear with the Hindley worm is calculated,a three-dimensional model of Hindley worm and ...
Zhao Chaofei, Wei Bingyang
doaj
Triboelectric nanogenerators for vehicle intelligent cockpits
FlexMat, EarlyView.Converting mechanical stimuli from drivers and vehicle motion into electrical signals, triboelectric nanogenerators provide promising interfaces toward passive, flexible, distributed and intelligent sensing for next‐generation automotive cockpits to support three core functional dimensions: driver state monitoring, vehicle state monitoring, and human ...
Haiqiu Tan +9 more
wiley +1 more source
Study on Wear Mechanism of Helical Gear by Three-Body Abrasive Based on Impact Load. [PDF]
Materials (Basel), 2022 Yuan W +6 more
europepmc +1 more source
A Model to Facilitate Resilience Among Diagnostic Radiography Students
Journal of Medical Radiation Sciences, EarlyView.The model provides a framework for fostering resilience among diagnostic radiography students by strengthening self‐efficacy and establishing social connections. ABSTRACT Introduction A significant increase in the demand for radiography examinations and the corresponding rise in the workload of radiographers has been noted.
Heidi Thomas +2 more
wiley +1 more source
Jixie chuandong, 2014 The gear parametric modeling of the key issues is studied based on the generating method.With VC + +6.0programming tools,the 3dsoftware UG NX7.0secondary development,aparameterized module of gear is designed.The modified involute helical gear and all ...
付永涛 +4 more
doaj
Influence of the Bearing Thermal Deformation on Nonlinear Dynamic Characteristics of an Electric Drive Helical Gear System. [PDF]
Sensors (Basel), 2021 Liu X, Liu D, Hu X.
europepmc +1 more source