1–20 von 24 Ergebnissen
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    Weightless Testing of a “Ratchetless” Extravehicular Activity Wrench

    Roberts, Brian J. / Akin, David L. | SAE Technical Papers | 1999
    is using this technology in the development of EVA tools. The research discussed here describes the testing of an EVA roller wrench aboard ...
    Schlagwörter: Research and development

    Water Immersion Ballasted Partial Gravity for Lunar and Martian EVA Simulation

    Akin, David L. / Mularski, John | SAE Technical Papers | 2007
    activities through the use of ballast on body segments in the underwater environment. This capability will be important as NASA prepares to return to ...

    Virtual Reality Control of On-Orbit Spacecraft

    Hine, Butler / Akin, David L. | SAE Technical Papers | 1996
    freedom. The University of Maryland Space Systems Laboratory and the NASA Ames Research Center are cooperating on the development of a virtual ...

    The Ranger Telerobotic Shuttle Experiment: Implications for Operational EVA/Robotic Cooperation

    Akin, David L. / Gefke, Gardell G. / Parrish, Joe C. | SAE Technical Papers | 2000
    servicing assets in Earth orbit. The flight system will be teleoperated from onboard the Space Shuttle and from a ground control station at the NASA ...

    The Effects of Extravehicular Activity Gloves on Human Hand Performance

    Akin, David L. / Welsh, Melissa H. | SAE Technical Papers | 2001
    performance. Ten subjects participated in the study. Tests were conducted barehanded, and wearing pressurized and unpressurized space suit gloves ...

    Task Scheduling for Cooperative Human/Robotic Space Operations

    Akin, David L. / Singer, Sharon M. | SAE Technical Papers | 2008
    ordering tasks within the mission constraints. The scheduling tool developed in this research distributes pre-allocated task primitives between a ...
    Schlagwörter: Research and development

    System Overview and Operations of the MX-2 Neutral Buoyancy Space Suit Analogue

    Akin, David L. / Braden, Jeffrey R. / Jacobs, Shane E. | SAE Technical Papers | 2006
    Maryland’s Space Systems Laboratory. Repeated manned operations in the Neutral Buoyancy Research Facility have shown the MX-2 suit analogue to be a ...
    Schlagwörter: Research and development

    Subject Effects Exhibited in Human Posture in Neutral Buoyancy and Parabolic Flight

    Akin, David L. / Zimmerman, Julianne | SAE Technical Papers | 2002
    . As such, both environments are used extensively for both research and mission operations purposes despite a lack of quantitative (or even ...
    Schlagwörter: Research and development

    SCOUT: EVA Capabilities of the Space Construction and Orbital Utility Transport

    Akin, David L. / Bowden, Mary L. | SAE Technical Papers | 2004
    (CBM). An extended mission package provides support for SCOUT in remote operations, extending sortie times from 11 hours to several days. In ...

    RoboSuit: Robotic Augmentations for Future Space Suits

    Akin, David L. | SAE Technical Papers | 2004
    Space suit design has been limited to evolutionary steps since the first pressure suit was developed in 1934. While this development ...

    Kinematic Analysis of a Robotically Augmented Pressure Suit for Planetary Exploration

    Akin, David L. / Benson, Elizabeth A. / Jacobs, Shane E. | SAE Technical Papers | 2007
    , including a Soft/Hard Upper Torso with individually adjustable bearings, as well as advances in Morphing Upper Torso research, in which an all-soft ...
    Schlagwörter: Research and development

    Investigations into Several Approaches to EVA-Robot Integration

    Gruntz, David / Akin, David L. / Jacobs, Shane | SAE Technical Papers | 2007
    Extensive prior research at the University of Maryland Space Systems Laboratory has identified significant operational advantages to high ...

    Investigation of Life Support and Habitability Requirements for a Pressurized Lunar Rover

    Akin, David L. / Husain, Syed-Ali A. | SAE Technical Papers | 2009
    -scale mock-up populated with volumetric representations of interior elements. This research proposes a solution to the life support requirements ...

    Investigation of a Cable-Driven Parallel Mechanism for Pressure Suit Arm Resizing and Motion Assistance

    Akin, David L. / Benson, Elizabeth A. / Jacobs, Shane E. | SAE Technical Papers | 2007
    spacesuits seldom fit any wearer well, and because individually tailored spacesuits are costly, the University of Maryland has conducted research ...
    Schlagwörter: Research and development

    Interface for EVA Human-Machine Interaction

    Dillow, Barrett / Akin, David L. / Stolen, Martin F. et al. | SAE Technical Papers | 2008
    There has recently been an increasing focus on humans working cooperatively with robotic systems in space exploration and operations ...
    Schlagwörter: Research and development

    Experimental Investigation of Cooperative Human/Robotic Roles in Extravehicular Operations

    Akin, David L. | SAE Technical Papers | 1998
    these will be detailed from past experiments in neutral buoyancy and space, and plans presented for future research which will expand the ...

    Effect of Vision on Reduced Gravity Posture

    Akin, David L. / Zimmerman, Julianne | SAE Technical Papers | 1997
    instrumented space shuttle middeck (IVA) type foot restraints in the Space Systems Laboratory (SSL) Neutral Buoyancy Research Facility (NB) and onboard ...

    Effect of Orientation on Human Posture in Neutral Buoyancy and Parabolic Flight

    Akin, David L. / Zimmerman, Julianne | SAE Technical Papers | 2001
    environments, and as such, both NB and PF are used extensively to simulate spaceflight conditions for both research and mission operations purposes ...
    Schlagwörter: Research and development

    Dynamic Analysis of an Adjustable Torso Design for a Planetary Pressure Suit

    Akin, David L. / Jacobs, Shane E. | SAE Technical Papers | 2008
    The research discussed in this paper demonstrates further advancements in the concept of a Morphing Upper Torso, which incorporates robotic ...

    Development and Testing Update on the MX-2 Neutral Buoyancy Space Suit Analogue

    Akin, David L. / Braden, Jeffrey R. | SAE Technical Papers | 2004
    testing performed to date. Finally, an overview of plans is presented for Space Systems Laboratory research using the MX-2 in the University of ...
    Schlagwörter: Research and development