Results 61 to 70 of about 2,274,078 (285)

Six-Degree-of-Freedom Sensor Fish Design and Instrumentation

open access: yesSensors, 2007
Fish passing through dams may be injured or killed despite advances in turbinedesign, project operations and other fish bypass systems. The six-degree-of-freedom (6DOF)Sensor Fish device is an autonomous sensor package that characterizes the physical ...
Marshall C. Richmond   +3 more
doaj   +1 more source

Control of a multi-degree of freedom worktool for vibrations assisted forging [PDF]

open access: yes, 2014
This paper addresses the control of a tool developed to superimpose vibrations along several directions on a piece during forging. Piezoelectric actuators are used to provide the required forces and speeds.
ABBA, Gabriel   +5 more
core   +4 more sources

Cumulative Social Disadvantage and Disease Activity in Juvenile Idiopathic Arthritis: A Childhood Arthritis and Rheumatology Research Alliance Registry Study

open access: yesArthritis Care &Research, EarlyView.
Objective Social determinants of health (SDOH) contribute to juvenile idiopathic arthritis (JIA) disparities, but most studies have assessed SDOH independently rather than cumulatively across individual, family, and neighborhood levels. Using a socioecological framework, we investigated the relationship among cumulative social disadvantage ...
William Daniel Soulsby   +448 more
wiley   +1 more source

Characterization of Nitinol Produced by Laser Powder Bed Fusion for Mechanical Metamaterial Applications

open access: yesAdvanced Engineering Materials, EarlyView.
Stabilization of L‐PBF Ni50.7Ti49.3 under low‐cycle loading was investigated. Recoverable strain after cycling was dependent on the amount of applied load. Recovery ratio was 53.4% and 35.1% at intermediate and high load, respectively. The maximum total strain reached 10.3% at a high load of 1200 MPa.
Ondřej Červinek   +5 more
wiley   +1 more source

Nanotweezers for Manipulating Untethered Micro/Nanoscale Bio‐Tools: Principles, Performance, and Highlighted Applications

open access: yesAdvanced NanoBiomed Research
The rapid advancement of nanotweezers for wireless manipulation of artificial micro‐ and nanoparticles has unlocked unprecedented possibilities in biomedicine.
Kelly Shih   +4 more
doaj   +1 more source

Heat conductivity in the presence of a quantized degree of freedom

open access: yes, 2006
We propose a model with a quantized degree of freedom to study the heat transport in quasi-one dimensional system. Our simulations reveal three distinct temperature regimes.
Berry M. V.   +3 more
core   +1 more source

Influence of an Argon/Silane Atmosphere on the Temperature of a Thermal Plasma

open access: yesAdvanced Engineering Materials, EarlyView.
The influence of a silane‐doped argon atmosphere on the chemical composition and temperature of a thermal nontransferring argon plasma is investigated using optical emission spectroscopy. As a result of the high amount of free electrons resulting from the stepwise ionization and dissociation of the silane molecule, even a silane addition of 0.01 vol ...
Lena Kreie   +4 more
wiley   +1 more source

Actuator Placement in Multi-Degree-of-Freedom Vibration Simulators

open access: yesShock and Vibration, 1994
A method for comparing candidate actuator configurations for multi-degree-of-freedom (MDOF) vibration simulators is presented. The method has its roots in the comparison of achievable subspaces and maximum error bounds; the comparison is accomplished via
Norman Fitz-Coy, Anindya Chatterjee
doaj   +1 more source

On Power-Absorption Degrees of Freedom for Point Absorber Wave Energy Converters

open access: yesJournal of Marine Science and Engineering, 2020
Point absorbers are extensively employed in wave energy conversion. In this work, we studied the point absorber with the buoy of a vertical cylindrical shape.
Jinming Wu
doaj   +1 more source

A 17 degree of freedom anthropomorphic manipulator [PDF]

open access: yes
A 17 axis anthropomorphic manipulator, providing coordinated control of two seven degree of freedom arms mounted on a three degree of freedom torso-waist assembly, is presented.
Eismann, Paul H.   +4 more
core   +1 more source

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