Compensation of MEMS Gyroscope Random Error Based on Square- Root Risk-Sensitive Unscented Kalman Filter
Abstract:In order to compensate MEMS gyroscope random error, a new method employing the squareroot risk-sensitive unscented Kalman filter (SR-RSUKF) and a nonlinear model is proposed. The nonlinear model based on ARIMA takes model parameters as states, and thus realizes the online model estimation. The SR-RSUKF deals with non-additive noise items through augmented state vector, and employs a square root algorithm to get well numerical stability, and improves the flexibility by extending scalar risk parameters to a risk… Show more
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