The spacecraft angular velocity estimation in the orbital stabilization mode by the results of the local vertical sensor measurements

Implementation of the orbital orientation mode is based on the use of sensor equipment, measuring the spacecraft position angles relative to the coordinates system and the angular velocity of spacecraft rotation relative to inertial space. In case the latter fails the orbital stabilization implementation is impossible. Consequently, it is required to make on-board estimation algorithms for a angular velocity vector in real-time by the results of measurements using an angular position sensor. The exact pole placement method was used to obtain the analytic solution of the estimation algorithm synthesis for angular velocity of the spacecraft rotation in the orbital stabilization mode by the results of local vertical sensor measuring. The mathematical simulation results are presented and the possibility of the developed algorithm implementation is assessed in real-time. The simulation results confirm high efficiency of the algorithm operation.

References

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