NASA Technical Reports Server (NTRS) : Generalized pdf

NASA Technical Reports Server (NTRS) : Generalized

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The Magnetospheric Multiscale (MMS) mission consists of four identically instrumented, spin-stabilized observatories elliptically orbiting the Earth in a tetrahedron formation. The on-board attitude control system adjusts the angular momentum of the system using a generalized thruster-actuated control system that simultaneously manages precession, nutation and spin. Originally developed using Lyapunov control-theory with rate-feedback, a published algorithm has been augmented to provide a balanced attitude/rate response using a single weighting parameter. This approach overcomes an orientation sign-ambiguity in the existing formulation, and also allows for a smoothly tuned-response applicable to both a compact/agile spacecraft, as well as one with large articulating appendages

• Creator/s: NASA Technical Reports Server (NTRS
• Date: 8/9/2015
• Year: 2015
• Book Topics/Themes: NASA Technical Reports Server (NTRS), MULTIMISSION MODULAR SPACECRAFT, ATTITUDE CONTROL, FORMATION FLYING, ANGULAR MOMENTUM, CONTROL THEORY, ATTITUDE (INCLINATION), MOMENTUM, NUTATION, TETRAHEDRONS, Queen, Steven Z., Shah, Neerav, Benegalrao, Suyog S., Blackman, Kathie

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