Results 211 to 220 of about 1,093,651 (250)

From Flybys to Sample Return: A Review of Space Probes and Robotic Sampling Technologies for Small Bodies

Journal of Field Robotics, EarlyView.
ABSTRACT As a crucial puzzle piece of deep space exploration, exploring small bodies can provide significant scientific insights and valuable mineral resources. Unlike missions to the Moon and Mars, small‐body missions pose distinct technical challenges, including communication delays, weak gravity, and uncertain environments. This paper reviews a full
Xin Zhang, Hao Zhou, Dalin Zhou, Zhaojie Ju   +3 more
wiley   +1 more source

A Design Specifications Template for Wearable Haptic Interfaces: A Case Study for Robotic Gripper Applications

Journal of Field Robotics, EarlyView.
ABSTRACT Wearable haptic interfaces are increasingly important for enhancing human robot collaboration, particularly in decision critical tasks that require intuitive and reliable interaction. Despite advances in wearable systems, existing designs often lack a structured framework that systematically integrates sensing, actuation, control, and user ...
Amr M. El‐Sayed
wiley   +1 more source

Automated Lawn Maintenance: An Agronomic and Operational Review of Turf Health, Biodiversity, and Field Performance

Journal of Field Robotics, EarlyView.
ABSTRACT Grass mowing is one of the most resource‐consuming activities in green maintenance, whether in private areas such as home gardens or in public spaces like urban parks. In recent years, concerns related to climate change, human health, and sustainability have become increasingly prominent in green maintenance, leading manufacturers and industry
Andrea Palladini, Lorenzo Guerrini, Marco Fontanelli, Lucia Bortolini   +3 more
wiley   +1 more source

Studies on generating gear grinding with CBN disk wheels and efficiencies of ground gears

, 1998
openaire   +1 more source

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No effects of ground-gear diameter on the performance of a south-eastern Australian fish trawl

Fisheries Research, 2023
As part of attempts at improving the selectivity of south-eastern Australian fish trawls, the effects of ground-gear disc diameter on trawl engineering and catching performances were investigated. Three conventional disc diameters (100 mm or 4 in., 178 mm or 7 in.
Matt K Broadhurst, Russell B Millar
exaly   +4 more sources

Numerical modelling of bottom trawling ground gear element on the seabed

Ocean Engineering, 2014
Abstract This paper focuses on the numerical modelling of the interaction between gear components, rockhoppers, in particular and the seabed. This interaction is developed by using the Coupled Eulerian Lagrangian Method (CEL). To demonstrate the rate effect, a 2D finite element model is developed to analyse the pore pressure distribution and soil ...
Moosa Esmaeili, Ana Ivanović
exaly   +2 more sources

Minimization of effect of CBN wheel wear on ground gear errors

International Journal of Machine Tools and Manufacture, 1999
Abstract Resistance to wear of CBN grinding wheels is much higher than that of conventional (Al2O3) wheels. However, CBN grinding wheels are seldom used in gear grinding, when production scale is small, due to the difficulty in truing. Moreover, wear of the grinding wheel greatly affects the accuracy of tooth trace, in most cases.
M.A. Haidar, A. Ishibashi, K. Sonoda, S. Ezoe   +3 more
exaly   +2 more sources

Improving catch efficiency by changing ground gear design: Case study of Northeast Atlantic cod ( Gadus morhua ) in the Barents Sea bottom trawl fishery

Fisheries Research, 2017
Abstract The aim of this study was to determine if catch efficiency for cod ( Gadus morhua L.) in the Barents Sea bottom trawl fishery could be improved by replacing the conventional rockhopper ground gear with a new type of ground gear called semicircular spreading gear (SCSG). Based on experimental fishing conducted in 2014 and 2015, we quantified
Jesse Brinkhof, Roger B Larsen, Bent Herrmann   +2 more
exaly   +2 more sources

The Modified GOV and Ground gear 'D' [PDF]

, 2007
No abstracts are to be cited without prior reference to the author.Several European laboratories undertake groundfish surveys in the north-eastern Atlantic as part of the southern and western International Bottom Trawl Survey (IBTS). Parts of the western English Channel (ICES Division VIIe), southern Bristol Channel (VIIf) and St George’s Channel (VIIa)
Harley, B., Ellis, J.
openaire   +2 more sources

In situ running-in analysis of ground gears

Wear, 2016
The initial contact state between two interacting gears proves of interest due to empirical evidence indicating difference in life and efficiency in the long term due to the initial operation. Presented here is an analysis of the initial contact state of spur gears, made of case carburized 16MnCr5 steel, by the use of in situ surface measurements and ...
M. Sosa, U. Sellgren, S. Björklund, U. Olofsson   +3 more
openaire   +1 more source