Results 31 to 40 of about 363,833 (189)

A method for the automatic generation of inverse kinematic maps in modular robotic systems

open access: yesInternational Journal of Advanced Robotic Systems, 2016
Flexible manufacturing based on rapidly reconfigurable robotic systems will enable factories to meet time-sensitive and fast-changing industrial demands.
Mohammad Mayyas, Rochelle Mellish
doaj   +1 more source

Shoulder and hip joint for hard space suits [PDF]

open access: yes, 1986
Shoulder and hip joints for hard space suits are disclosed which are comprised of three serially connected truncated spherical sections, the ends of which converge. Ball bearings between the sections permit relative rotation.
Vykukal, H. C.
core   +1 more source

Providing a Bird Swarm Algorithm based on Classical Conditioning Learning Behavior and Comparing this Algorithm with sinDE, JOA, NPSO and D-PSO-C Based on Using in Nanoscience [PDF]

open access: yesJournal of Optoelectronical Nanostructures, 2020
There can be no doubt that nanotechnology will play a major role in our futuretechnology. Computer science offers more opportunities for quantum andnanotechnology systems.
Abdorreza Asrar   +2 more
doaj  

A Compact Bow-tie Shaped Wide-band Microstrip Patch Antenna for Future 5G Communication Networks [PDF]

open access: yesRadioengineering, 2021
In this paper, a novel compact bow-tie shaped microstrip patch antenna for wide-band application is presented. The proposed geometry consists of a modified bow-tie structure at the top of the Rogers RT-5880 substrate with a 50 Ω feed-line and 8 × 8 mm2 ...
D. G. Patanvariya, A. Chatterjee
doaj  

Infection Risk from Surgeons' Eyeglasses

open access: yesJournal of Orthopaedic Surgery, 2012
Purpose. To assess bacterial contamination of 20 eyeglasses from surgeons. Methods. 40 samples were taken from the nose pad (n=20) and earpiece (n=20) of 20 eyeglasses from orthopaedic surgeons using a sterile swab stick soaked in sterile distilled water.
Umer Butt   +5 more
doaj   +1 more source

The Quiet Eye and Motor Expertise: Explaining the “Efficiency Paradox”

open access: yesFrontiers in Psychology, 2018
It has been consistently reported that experts show longer quiet eye (QE) durations when compared to near-experts and novices. However, this finding is rather paradoxical as motor expertise is characterized by an economization of motor-control processes ...
André Klostermann   +1 more
doaj   +1 more source

Shoulder and hip joints for hard space suits and the like [PDF]

open access: yes, 1986
For use in hard space suits and the like, a joint between the torso covering and the upper arm covering (i.e., shoulder) or between the torso covering and upper leg covering (i.e., hip) is disclosed. Each joint has an outer covering and a inner covering.
Vykukal, H. C.
core   +1 more source

Flexible IGZO TFTs and Their Suitability for Space Applications

open access: yesIEEE Journal of the Electron Devices Society, 2019
In this paper, low earth orbit radiation (LEO), temperature, and magnetic field conditions are mimicked to investigate the suitability of flexible InGaZnO transistors for lightweight space wearables.
Julio C. Costa   +8 more
doaj   +1 more source

Advanced Space Suit Insulation Feasibility Study [PDF]

open access: yesSAE Technical Paper Series, 2000
<div class="htmlview paragraph">For planetary applications, the space suit insulation has unique requirements because it must perform in a dynamic mode to protect humans in the harsh dust, pressure and temperature environments. Since the presence of a gaseous planetary atmosphere adds significant thermal conductance to the suit insulation, the ...
Luis A. Trevino, Evelyne S. Orndoff
openaire   +1 more source

Integrated mobility measurement and notation system [PDF]

open access: yes, 1967
System for description of movements and positions facilitates design of space suits with more mobility. This measurement and notation system gives concise and unequivocal descriptions, compatible with engineering analysis and applicable to specific ...
Roebuck, J. A., Jr.
core   +1 more source

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