Steady filtering method based on robust estimation
A robust estimation and robust technology, applied in the field of data processing, can solve problems such as increased Kalman filter estimation error, filter divergence, large error, etc., to achieve wide application prospects, improve robustness, and good robustness performance Effect
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[0036] This embodiment includes the following steps:
[0037] Step 1, using a gyroscope to obtain the angular velocity of the moving carrier, and using an accelerometer to obtain the acceleration of the moving carrier.
[0038] Step 2: Robust estimation is performed on the angular velocity and acceleration of the moving carrier, respectively, to obtain a robust estimated value of the angular velocity of the moving carrier and a robust estimated value of the acceleration of the moving carrier.
[0039] Described robustness estimation is: select IGGIII equivalent weight function, utilize the robustness estimation that is initial value based on least squares, concrete formula is:
[0040] x ^ R = ( A T P ‾ A ) - 1 ...
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