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Development of a prototype movement assistance system for extravehicular activity glovesHill, Tyler N. 14 February 2015 (has links)
<p> Spacesuits utilized a rubberized layer of material to contain a pressurized atmosphere to facilitate respiration and maintain the physiologic functions of the astronaut residing within. However, the elasticity of the material makes it resistant to deformation increasing the amount of work required during movement. This becomes particularly fatiguing for the muscle groups controlling the motion of the hands and fingers. To mitigate this a robotic system was proposed and developed. The system built upon previous concepts and prototypes discovered through research efforts. It utilized electric motors to pull the index, ring, and middle fingers of the right hand closed, ideally overcoming the resistive force posed by the pressurized elastic material. The effect of the system was determined by comparing qualitative and quantitative data obtained during activities conducted with and without it within a glove box. It was found that the system was able to offload some of this elastic force though several characteristics of the design limited the full potential this device offered. None the less, the project was met with success and provides a solid platform for continued research and development.</p>
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Investigation of the effect of voides on the stability of websMallya, Sandesh, January 2007 (has links) (PDF)
Thesis (M.S.)--Oklahoma State University, 2007. / Vita. Includes bibliographical references.
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Damage initiation, progression and failure of polymer matrix composites due to manufacturing induced defectsChowdhury, Khairul Alam, January 1900 (has links)
Thesis (Ph. D.)--Texas A&M University, 2007. / "Major Subject: Aerospace Engineering" Title from author supplied metadata (automated record created on Nov. 2, 2007.) Vita. Abstract. Includes bibliographical references.
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Reynolds and Favre-averaged rapid distortion theory for compressible, ideal-gas turbulenceLavin, Tucker Alan, January 1900 (has links)
Thesis (M. S.)--Texas A&M University, 2007. / "Major Subject: Aerospace Engineering" Title from author supplied metadata (automated record created on Nov. 2, 2007.) Vita. Abstract. Includes bibliographical references.
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Digital autoland system for unmanned aerial vehiclesWagner, Thomas William, Jr, January 1900 (has links)
Thesis (M. S.)--Texas A&M University, 2007. / "Major Subject: Aerospace Engineering" Title from author supplied metadata (automated record created on Nov. 2, 2007.) Vita. Abstract. Includes bibliographical references.
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Adaptive dynamic inversion of nonlinear systems subjected to control saturation constraintsTandale, Monish Deepak, January 1900 (has links)
Thesis (Ph. D.)--Texas A&M University, 2006. / "Major Subject: Aerospace Engineering" Title from author supplied metadata (automated record created on Nov. 2, 2007.) Vita. Abstract. Includes bibliographical references.
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Multiscale modeling and simulation incorporation of mesoplasticity between atomistic and continuum /Liu, Yang. January 2007 (has links) (PDF)
Thesis (Ph. D.)--Oklahoma State University, 2007. / Vita. Includes bibliographical references.
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Numerical analysis of backward-facing step flow preceeding a porous medium using fluentKrishnamoorthy, Chandramoulee, January 2007 (has links) (PDF)
Thesis (M.S.)--Oklahoma State University, 2007. / Vita. Includes bibliographical references.
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Parametric geometry creation methodology and utility for the STARS CFD analysis packageFischer, Robert James, January 2007 (has links) (PDF)
Thesis (M.S.)--Oklahoma State University, 2007. / Vita. Includes bibliographical references.
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Effect of liquid transparency on laser-induced motion of dropsShukla, Rohit, January 2007 (has links) (PDF)
Thesis (M.S.)--Oklahoma State University, 2007. / Vita. Includes bibliographical references.
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