Academic literature on the topic 'Extra Vehicular Activities'

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Journal articles on the topic "Extra Vehicular Activities"

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Spencer, David A., and Matthew A. Gast. "Dynamics of Extra-Vehicular Activities in Low-Gravity Surface Environments." International Journal of Aeronautical and Space Sciences 14, no. 1 (2013): 11–18. http://dx.doi.org/10.5139/ijass.2013.14.1.11.

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Bishu, Ram R., Glenn Klute, and Byungjoon Kim. "The Effects of Extra Vehicular Activity (EVA) Gloves on Dexterity and Tactility." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 37, no. 10 (1993): 826–30. http://dx.doi.org/10.1177/154193129303701038.

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Human capabilities such as dexterity, manipulability, and tactile perception are unique and render the hand as a very versatile, effective and a multipurpose tool. This is especially true for unknown microgravity environments such as the EVA environment. Facilitation of these activities, with simultaneous protection from the cruel EVA environment are the two, often conflicting, objectives of glove design. The objective of this study was to assess the effects of EVA gloves at different pressures on human hand capabilities, A factorial experiment was performed in which three types of EVA gloves
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Fei, Ding-Yu, Xiaoming Zhao, Cosmin Boanca, et al. "A biomedical sensor system for real-time monitoring of astronauts’ physiological parameters during extra-vehicular activities." Computers in Biology and Medicine 40, no. 7 (2010): 635–42. http://dx.doi.org/10.1016/j.compbiomed.2010.05.001.

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Andreades, Christos, Gian Piero Malfense Fierro, Michele Meo, and Francesco Ciampa. "Nonlinear ultrasonic inspection of smart carbon fibre reinforced plastic composites with embedded piezoelectric lead zirconate titanate transducers for space applications." Journal of Intelligent Material Systems and Structures 30, no. 20 (2019): 2995–3007. http://dx.doi.org/10.1177/1045389x19873419.

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Carbon fibre reinforced plastic composites used in spacecraft structures are susceptible to delamination, debonds and fibre cracking that may arise during manufacturing, assembly or in-service operations (e.g. caused by debris impacts in near-Earth orbital spaceflights). Therefore, in situ and real-time health monitoring is necessary to avoid time-consuming and unsafe visual inspections performed either on-ground or during extra vehicular activities. In this article, a recently created ‘smart’ carbon fibre reinforced plastic composite structure with embedded piezoelectric lead zirconate titana
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Rice, John R., John P. Yorchak, and Craig S. Hartley. "Planning for Unanticipated Satellite Servicing Teleoperations." Proceedings of the Human Factors Society Annual Meeting 30, no. 9 (1986): 870–74. http://dx.doi.org/10.1177/154193128603000904.

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The role that man will play in the space-based servicing of satellites will change with standardization and automation of such operations. This change will permit man to dedicate more of his time in space to tasks that require his unique intellectual, manipulative, and perceptual abilities. However, if history is any indication, man cannot be completely removed from servicing duties because unanticipated servicing operations occasionally will require his direct intervention and control through either extra-vehicular activities (EVA) or teleoperations. As a result, certain minimum user-system i
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Ohkami, Yoshiaki. "Special Issue on Space Robotics." Journal of Robotics and Mechatronics 6, no. 5 (1994): 345. http://dx.doi.org/10.20965/jrm.1994.p0345.

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Since the beginning of space exploration, ""space robots"" have attracted the imagination of many researchers and engineers, and a number of fascinating plans for their use have been proposed.' However, only a few of these ideas have been realized in spite of the early realization that robots would be more appropriate than extra-vehicular activities by a human crew in the hostile space environment. One application is the Space Shuttle Remote Manipulator System, called the ""Canadian Robot Arm"", which has been functioning as expected for more than 10 years. In addition, ROTEX experiments on Sp
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Cloutier, Melissa, Shrreya Aagarwal, Yining Zhang, et al. "Augmented Reality in Extra-Vehicular Activities: Optimizing Alert Detection and Cognitive Workload." Proceedings of the Human Factors and Ergonomics Society Annual Meeting, September 8, 2024. http://dx.doi.org/10.1177/10711813241276460.

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This study investigates the impact of augmented reality (AR) system complexity (active vs. passive) and lighting conditions (normal, dark, glare) on task performance, cognitive workload, and alert detection during simulated extravehicular activities (EVAs). Fifty-eight undergraduate students participated, using AR systems to complete tasks. Key metrics included task completion rate, completion time, alert detection, and cognitive workload assessed by the NASA Task Load Index (NASA-TLX). Results showed no significant differences in task performance or cognitive workload across lighting conditio
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B., Vadiraj, N. Omkar S., Kapil Bharadwaj B., and Vardhan Gupta Yash. "Biomechanical Modeling, Simulation, and Comparison of Human Arm Motion to Mitigate Astronaut Task during Extra Vehicular Activity." January 2, 2016. https://doi.org/10.5281/zenodo.1111602.

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During manned exploration of space, missions will require astronaut crewmembers to perform Extra Vehicular Activities (EVAs) for a variety of tasks. These EVAs take place after long periods of operations in space, and in and around unique vehicles, space structures and systems. Considering the remoteness and time spans in which these vehicles will operate, EVA system operations should utilize common worksites, tools and procedures as much as possible to increase the efficiency of training and proficiency in operations. All of the preparations need to be carried out based on studies of astronau
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Van Cutsem, Jeroen, Nathalie Pattyn, Olivier Mairesse, et al. "Adult Female Sleep During Hypoxic Bed Rest." Frontiers in Neuroscience 16 (May 10, 2022). http://dx.doi.org/10.3389/fnins.2022.852741.

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PurposeHypobaric hypoxic habitats are currently being touted as a potential solution to minimise decompression procedures in preparation for extra vehicular activities during future space missions. Since astronauts will live in hypoxic environments for the duration of such missions, the present study sought to elucidate the separate and combined effects of inactivity [simulated with the experimental bed rest (BR) model] and hypoxia on sleep characteristics in women.MethodsTwelve women (Age = 27 ± 3 year) took part in three 10-day interventions, in a repeated measures cross-over counterbalanced
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Möller, Fabian, Uwe Hoffmann, Marc Dalecki, Tobias Dräger, Michael Doppelmayr, and Fabian Steinberg. "Physical Exercise Intensity During Submersion Selectively Affects Executive Functions." Human Factors: The Journal of the Human Factors and Ergonomics Society, October 9, 2019, 001872081987931. http://dx.doi.org/10.1177/0018720819879313.

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Objective: The intact cognitive processing capacity in highly demanding and dynamically changing situations (e.g., in extreme environmental conditions) is of central relevance for personal safety. This study therefore investigated whether underwater physical exercise (PE) affected cognitive performance by comparing these effects during underwater fin-swimming as opposed to inactivity under normal environmental conditions. Background: Although acute bouts of PE can modulate cognitive performance under highly controlled and standardized laboratory conditions, no previous study has determined whe
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Dissertations / Theses on the topic "Extra Vehicular Activities"

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FAVETTO, ALAIN. "Glove Exoskeleton for Extra-Vehicular Activities: Analysis of Requirements and Prototype Design." Doctoral thesis, Politecnico di Torino, 2014. http://hdl.handle.net/11583/2546950.

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The objective of the thesis is the development of a prototype of a lightweight hand exoskeleton designed to be embedded in the gloved hand of an astronaut and to overcome the stiffness of the pressurized space suit. The system should be able to provide force and precision to the hand grip. The project involves various elements, in particular the analysis of the characteristics of the hand and of the EVA glove. Moreover solutions related to sensor and actuator should be investigated. Finally the study and the design of an appropriate robotic structure able to fullfit the requirements have to be
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Book chapters on the topic "Extra Vehicular Activities"

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"Compliant pneumatic muscle structures and systems for extra-vehicular and intra-vehicular activities in space environments." In Space Robotics and Autonomous Systems: Technologies, advances and applications. Institution of Engineering and Technology, 2021. http://dx.doi.org/10.1049/pbce131e_ch3.

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Conference papers on the topic "Extra Vehicular Activities"

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Snyder, Michael, and Eric Joyce. "Lunar Extra-Vehicular Activities and Colonization Strategies." In AIAA SPACE 2008 Conference & Exposition. American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-7789.

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Monchoux, Francoise, Françoise Thellier, Frank Bagiana, and Arnold Barer. "Human Physiological Model During Extra-Vehicular Activities." In International Conference On Environmental Systems. SAE International, 1994. http://dx.doi.org/10.4271/941333.

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Van Cise, Edward A., Brian J. Kelly, Jeffery P. Radigan, and Curtis W. Cranmer. "Experiences with Extra-Vehicular Activities in Response to Critical ISS Contingencies." In SpaceOps 2016 Conference. American Institute of Aeronautics and Astronautics, 2016. http://dx.doi.org/10.2514/6.2016-2462.

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Liu, Huan, Zhijie Li, and Yaowu xu. "Research and application of MBSE method to lunar extra-vehicular activities mission." In 2nd International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2022), edited by Xuexia Ye. SPIE, 2022. http://dx.doi.org/10.1117/12.2635284.

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Liu, Huan, Zhijie Li, and Yaowu xu. "Research and application of MBSE method to lunar extra-vehicular activities mission." In 2nd International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2022), edited by Xuexia Ye. SPIE, 2022. http://dx.doi.org/10.1117/12.2635284.

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Bagul, Tejeshkumar, Kanan Pujara, Jimil Shah, Oluwaseun Awe, and Dereje Agonafer. "Computational Study of Behavior of Gas Absorption in Data Center Equipment and its Effects on the Rate of Corrosion/Contamination." In ASME 2015 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems collocated with the ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ipack2015-48049.

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The reliability of the data center equipment is being compromised as the American Society of Heating, Refrigeration and Air Conditioning Engineers recommendable psychometric limits are stretched outside the recommendable zones. When the ambient conditions are conducive enough the humidity and the gaseous contaminants present in the data centers react with the elements of Printed Circuit Boards (PCB) at various temperatures. The products of the reaction may lead to short circuit or extra resistance to the passage of current. This poses an increased threat to the reliability of the PCB. Contamin
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