Self-Tuning Weighted Fusion Kalman Filter for ARMA Signals

Wen Qiang Liu; Gui Li Tao; Na Han

doi:10.4028/www.scientific.net/AMM.538.439

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 538Self-Tuning Weighted Fusion Kalman Filter for ARMA...

Self-Tuning Weighted Fusion Kalman Filter for ARMA Signals

Abstract:

For the multisensor single channel autoregressive moving average (ARMA) signal with a white measurement noise and autoregressive (AR) colored measurement noises as common disturbance noises, when model parameters and noise statistics are partially unknown, a self-tuning weighted fusion Kalman filter is presented based on classical Kalman filter method. The local estimates are obtained by applying the recursive instrumental variable (RIV) and correlation method. Then the optimal weighted fusion Kalman filter is obtained by substituting all the fusion estimates into the corresponding optimal Kalman filter. A simulation example shows its effectiveness.