Results 41 to 50 of about 12,721 (256)

Study on Topological Modification Method Considering Torsional Deformation of Double Planetary Gear Shafts

open access: yesJixie chuandong, 2023
In order to solve the problems of eccentric load of planetary gear train and large impact of gear teeth meshing caused by torsional deformation of double planetary gear shafts under load, a topological modification method considering torsional ...
Chen Xuehui   +6 more
doaj  

Rapidly declining seagrass meadows in Brazil: Findings from satellite imagery and local knowledge

open access: yesPeople and Nature, EarlyView.
Abstract Due to the limitations of individual monitoring approaches, integrating social perceptions with multiple advanced technologies provides a new opportunity to gain a comprehensive understanding of ecosystem degradation. We combined historical aerial mapping, satellite imagery, semi‐structured interviews with local stakeholders, and a bilingual ...
Karine Matos Magalhães   +6 more
wiley   +1 more source

Battery powered high efficiency drive systems in practical applications [PDF]

open access: yes, 2015
Since about 30 years three-phase variable speed drives are the standard industrial solution when high reliability, high ingress protection of machine and especially high efficiency are required.
Weiss, H.
core  

Regulatory Framework and Public Policies for Sustainability in the Construction Sector

open access: yesSustainable Development, EarlyView.
ABSTRACT This study analyzes the role of public policies in promoting socially responsible practices in the construction sector, with a particular focus on their contribution to climate neutrality and the decarbonization of the building stock. European agreements exert increasing pressure to transform the construction sector, reinforcing the transition
Olga González‐Morales   +3 more
wiley   +1 more source

Research of the Transmission Characteristic of Planetary Gear Train based on the Signal Flow Graph Method

open access: yesJixie chuandong, 2018
Based on the transmission principle of planetary gear train,a method by using the signal flow graph is proposed to calculate the torque of complex planetary gear train.
Zhou Xintao   +3 more
doaj  

Analysis and Optimization of Meshing Characteristic of Planetary Gear Train Considering Structure Flexibility

open access: yesJixie chuandong, 2021
Taking the planetary gear train of an AT transmission as the research object, the finite element method is used to analyze the dynamic characteristics of the planet carrier, ring gear and housing, and the accuracy of the finite element model of the ...
Guangze Zheng, Ya Mei, Jincai Yang
doaj  

Advancing Sustainable Development Through Exports of Clean Energy Products From Emerging Asian Economies: A Poisson Pseudo Maximum Likelihood Estimation Approach

open access: yesSustainable Development, EarlyView.
ABSTRACT The promotion of clean energy is critical to achieving sustainable development. This study investigates the factors that affect the exports, trade potential, and revealed comparative advantage (RCA) of clean energy products (CEPs) in the emerging Asian economies (EAEs).
Arvind Goswami   +2 more
wiley   +1 more source

Zero torque gear head wrench [PDF]

open access: yes, 1976
A gear head wrench particularly suited for use in applying torque to bolts without transferring torsional stress to bolt-receiving structures is introduced.
Mcdougal, A. R., Norman, R. M.
core   +1 more source

A design of HDPE flexible spline of harmonics gear [PDF]

open access: yesMATEC Web of Conferences, 2018
In a design of a small robot, selecting a servo-motor is the most important method in designing process. Common miniature servo motors for small robots normally use conventional gear train set or planetary gear set.
Chotiprayanakul Pholchai   +2 more
doaj   +1 more source

Key Technical Fields and Future Outlooks of Space Manipulators: A Survey

open access: yesSmartBot, EarlyView.
This paper systematically reviews the technological development of space manipulators, emphasizing the unique challenges posed by space environments. It examines four areas: structural design, modeling, planning, and control, while introducing typical ground test platforms.
Gang Chen   +12 more
wiley   +1 more source

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