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  • Method and apparatus for singularity avoidance for control moment gyroscope (CMG) systems without using null motion 

    Agrawal, Brij N.; Kim, Jae Jun; Sands, Timothy Andrew (The United States of America as represented by the Secretary of the Navy, Washington, DC (US), 2017-02-14);
    A method is described for avoiding gyrocopic singularities during attitude correction to a sytem, such as a spacecraft having a CMG array. The method receives a corrective torque vector µ and gimbal angle values δ for ...
  • Apparatus and method for improvised explosive device (IED) network analysis 

    Taylor, John G.; Childress, Deak C. (The United States of America as represented by the Secretary of the Navy, Washington, DC (US), 2017-01-24);
    Tools and apparatus are presented for identification and analysis of improvised explosive device (IED) networks, including data acquisition tools and techniques providing structured prompting and predefined answers for ...
  • Electromagnetic device and method to accelerate solid metal slugs to high speeds 

    Maier, William Bryan; Nolting, Eugene Ellis; Morris, Gene; Snyder, Donald D. (The United States of America as represented by the Secretary of the Navy, Washington, DC (US), 2017-01-03);
    A device and method to accelerate solid metal slugs to high speeds. In one embodiment, a large electric current is passed through an outer cylindrical metal tube enclosing in part a metal slug, a central electrode, and ...
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