A Modified Rodrigues Parameter-based Nonlinear Observer Design for Spacecraft Gyroscope Parameters Estimation

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概要

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• This paper presents a modified Rodrigues parameter (MRP)-based nonlinear observer design to estimate bias, scale factor and misalignment of gyroscope measurements. A Lyapunov stability analysis is carried out for the nonlinear observer. Simulation is performed and results are presented illustrating the performance of the proposed nonlinear observer under the condition of persistent excitation maneuver. In addition, a comparison between the nonlinear observer and alignment Kalman filter (AKF) is made to highlight favorable features of the nonlinear observer.

著者

• BANG Hyochoong

  Department of Aerospace Engineering, Korea Advanced Institute of Science and Technology

• YONG Kilyuk

  Department of Aerospace Engineering, Korea Advanced Institute of Science and Technology

• JO Sujang

  Department of Aerospace Engineering, Korea Advanced Institute of Science and Technology

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