One of the planet-hunting Kepler space telescope’s reaction wheels — devices that maintain the observatory’s position in space — remains balky despite mitigation attempts, NASA said April 29. The ...
The enormous spacecraft that will head to Jupiter's moon Europa uses four large reaction wheels to help keep it oriented. Just as NASA's Mars rovers rely on robust wheels to roam the Red Planet and ...
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WASHINGTON — A reaction wheel on NASA’s Kepler spacecraft continues to experience elevated levels of friction after a brief rest period, but project officials say that does not necessarily imply an ...
This article illustrates our group's most recent progress in developing an optimal path planner for rigid-body spacecraft rotations using Control Moment Gyroscopes (CMG's). This work improves upon our ...
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