1–20 von 23 Ergebnissen
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    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 ...

    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

    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

    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 ...

    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

    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

    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 ...

    Development and Testing of a Metabolic Workload Measuring System for Space Suits

    Kościelniak, Agnieszka A. / Akin, David L. | SAE Technical Papers | 2007
    research, design, and operation. Three indirect calorimetry approaches were developed to determine the metabolic workload of a subject in an open ...

    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 ...

    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

    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

    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 ...

    Development and Testing of a Space Suit Analogue for Neutral Buoyancy EVA Research

    Akin, David L. / Braden, Jeffrey R. | SAE Technical Papers | 2002
    With NASA's resources dedicated to the six-fold increase in extravehicular operations required for the construction of International Space ...
    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

    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

    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 ...

    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 ...

    Development and Initial Testing of a Space Suit Simulator for Neutral Buoyancy

    Akin, David L. / Shook, Lauren S. | SAE Technical Papers | 1999
    The Maryland Advanced Research/Simulation (MARS) Suit is designed to be a low-cost test bed for extravehicular activity (EVA) research ...
    Schlagwörter: Research and development

    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