Reference : Control Strategy for Long-Term Station-keeping on Near-Rectilinear Halo Orbits
Scientific congresses, symposiums and conference proceedings : Unpublished conference
Engineering, computing & technology : Aerospace & aeronautics engineering
Control Strategy for Long-Term Station-keeping on Near-Rectilinear Halo Orbits
Muralidharan, Vivek mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > Space Robotics >]
Weiss, Avishai []
Kalabic, Uros [Mitsubishi Electric Research Laboratories Inc. > > Research Scientist]
AAS/AIAA Space Flight Mechanics Meeting
Orlando, Florida
[en] Stationkeeping ; Circular Restricted Three-Body Problem ; Astrodynamics ; Linear Quadratic Regulator ; Orbit Determination ; Near Rectilinear Halo Orbits ; Halo Orbits ; Kalman Filter ; Libration Points
[en] This work considers the control of a spacecraft in indefinite near-rectilinear halo orbit about the Earth-Moon L2. For indefinite station-keeping, it is important to minimize fuel consumption, while allowing for occasional transfer to a new orbit. The control scheme therefore consists of two components: the first component is the tracking of the nominal NRHO and the second component is an orbit correction maneuver between NRHO trajectories. The nominal NRHO is computed using a multiple-shooting technique that takes into account all forces on the spacecraft whose magnitude is larger than the dominant disturbance forces caused by navigational error. The tracking component is a linear-quadratic regulation scheme that rejects disturbances caused by orbit determination error, using a Lyapunov sublevel set that models the state covariance generated using sequential Kalman filter. The orbit correction maneuver is computed to minimize fuel costs.

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