Path: SpacecraftEstimation/AttitudeEstimation
% Estimates gyro bias using a steady state Kalman Filter. The steady state gain is computed automatically each time. In practice it could be uploaded as a command if the time between measurements was constant. The measurement is the time between updates of an inertial sensor. Since version 1. -------------------------------------------------------------------------- Form: [x, k] = RMABEst( tMeas, newMeas, RMARate, x, r, q, dT ) -------------------------------------------------------------------------- ------ Inputs ------ tMeas (1,1) The measured period (sec) newMeas (1,1) When == 1 incorporate a new measurement RMARate (1,1) Rate as measured by the RMAs x (1,1) Bias estimate state r (1,1) Measurement noise covariance q (1,1) State noise covariance dT (1,1) Time since last measurement ------- Outputs ------- x (1,1) Bias estimate k (1,1) Gain --------------------------------------------------------------------------
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