Results 61 to 70 of about 1,232 (250)

Investigation of dynamic behavior of planet gears in planetary gear sets for three-axis driving

Mechanical Engineering Journal, 2016
Planetary gear set is widely used in hybrid vehicle as a power distribution system or in electric vehicle as a high reduction system. Although it has many advantages, its noise and vibration problem has emerged.
Masao NAKAGAWA, Mohamed Ali BEN ABBES, Toshiki HIROGAKI, Eiichi AOYAMA   +3 more
doaj   +1 more source

Stair‐Climbing Wheelchairs for Enhanced Mobility: A Comprehensive Review of Fundamental Mechanisms, Design Concepts, and Performance Analysis

Journal of Field Robotics, EarlyView.
ABSTRACT People with physical disabilities face significant mobility challenges while climbing uneven surfaces and staircases. In these circumstances, traditional wheelchairs do not provide stable, safely controlled mobility, underscoring the importance of building superior stair‐climbing wheelchairs for both medical and infrastructure purposes.
Gopisetti Manikanta, S. M. Abhinandan, Anand Reddy, G. Chandana, Divya, P. Anil Kumar, Ch. Venkata Rao, Ashish Garg, Ravi C. Soni, Jogendra Kumar, Bhargav Akkinepally   +10 more
wiley   +1 more source

Design and Experiment of Segmented Variable Transmission Ratio Mechanism for Rice Pot-mat Seedling Transplanting [PDF]

中国水稻科学
【Objective】To address the problem in single-planetary-wheelset transplanter mechanisms where the seedling picking and placing motions cannot be simultaneously optimized—thereby degrading transplanting quality—we propose a segmented variable gear-ratio ...
YU Jiashuo, ZHOU Yuzhu, HUANG Jiangjun, XIE Shimin, CHEN Jianneng, SUN Liang
doaj   +1 more source

Design of a Novel Gripping Mechanism and Dual Manipulator Robotic System for Apple Harvesting Using Tractor

Journal of Field Robotics, EarlyView.
ABSTRACT The architecture of apple orchards can be converted to easier operation by implementing the use of a low‐cost, tractor‐mounted, dual manipulator based on a robotic harvesting system with lower degrees of freedom (DoF). To accurately avoid injuries by detecting apples, an efferent, real‐time vision system that includes a new gripping mechanism ...
R. M. Rasika D. Abeyrathna, Victor Massaki Nakaguchi, Zifu Liu, Tofael Ahamed   +3 more
wiley   +1 more source

Multi‐Platform Deployments of Low‐Cost Devices for Cetacean Passive Acoustic Monitoring

Remote Sensing in Ecology and Conservation, EarlyView.
Recent advances in affordable, user‐friendly devices offer new opportunities to overcome cost constraints of underwater passive acoustic monitoring (PAM) and expand acoustic data collection. In this study, we deployed low‐cost acoustic recorders and underwater cameras across a range of platforms in the Western Mediterranean, including fishing gear ...
Greta Jankauskaite, François Poisson, Irati Abascal, Javier Menéndez‐Blázquez, Clara Cánovas Pérez, Sofia Conti, Ricardo Sagarminaga, Juan Antonio Raga, David March   +8 more
wiley   +1 more source

Sentipensar [Feel‐Thinking] Cultivates Collective Scientific Sensemaking and Worldbuilding Within and Beyond Ecological Despair

Science Education, EarlyView.
ABSTRACT Educating youth about environmental and climate justice is crucial in realizing a sustainable and flourishing future. Yet this can be challenging given the intense eco‐emotions youth experience and express while learning about these consequential realities and their implications.
Kelsie Fowler
wiley   +1 more source

A Scenario Tool for Sustainability Transformation in Fisheries and Beyond

Sustainable Development, EarlyView.
ABSTRACT The urgency to find sustainable management solutions intensifies with increasing natural resource scarcity. Resource sectors are usually characterized by diverse resource users. We developed a structured scenario tool designed to quantitatively assess policy options for achieving sustainability, accounting for ecological, economic and ...
Marie‐Catherine Riekhof, Tanja Hartig‐Thiemann, Christian Möllmann, Lotta Thaller, Rudi Voss, Heike Schwermer   +5 more
wiley   +1 more source

串联型行星齿轮传动系统均载特性分析

Jixie chuandong, 2012
According to the load sharing mechanism of the series planetary gear train and consideration the effects of manufacturing errors,assembly errors,mesh stiffness and the clearance floating coefficient,the analysis model is set up.The load sharing ...
刘文彬, 刘更, 李阳
doaj  

National Policy Coherence Counts for Reducing Inequality in Global Climate and Development Agendas

Sustainable Development, EarlyView.
ABSTRACT International institutions promote policy coherence as crucial to the effective and fair implementation of global sustainability agendas, though the evidence for its benefits is slim. We present here the first systematic cross‐country dataset on the consequences of national government efforts to promote policy coherence for vulnerable groups ...
Katherine Browne, Adis Dzebo, Zoha Shawoo, Mario Cardenas, Pierrick Chalaye, Alexia Faus Onbargi, Cassilde Muhoza, Patricia Nicdao, Nokwethaba Makhanya, Navam Niles, Priyatma Singh   +10 more
wiley   +1 more source

Investigations on Spin Power Losses Generated in a Planetary Gear Set Using Thermal Network Method

Lubricants
This paper introduces an experimental approach to study the distribution of power losses in an oil jet-lubricated planetary gear set, with the aim of increasing the efficiency of these gearboxes.
Marie Winger, Yann Marchesse, Thomas Touret, Christophe Changenet, Fabrice Ville, Patrice Gédin   +5 more
doaj   +1 more source