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Optimal design of α-β-γ(γ) filters

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2 Author(s)
Tenne, D. ; Center for Multisource Inf. Fusion, State Univ. of New York, Buffalo, NY, USA ; Singh, T.

Optimal sets of the smoothing parameter (α, β and γ) are derived for a sampled data target tracker. A constrained parameter optimization problem is formulated for specific trajectories of the target, which includes the noise in the measurement, the steady state error and the transient response of the filter. This work considers two classes of target trajectories, circular and straight line maneuvers. Closed form expressions for the steady state error and the sum of the square of the errors capturing the transient behavior are derived for a straight line trajectory where the target moves with constant acceleration and a circular trajectory with the target moving at constant speed. The constrained optimization includes, besides the maneuver errors, a metric of noise capacity strength, expressed by the mean square response of the filter to white noise. An optimal selection of α, β and γ parameters is provided for various penalties on the noise filtering

Published in:

American Control Conference, 2000. Proceedings of the 2000  (Volume:6 )

Date of Conference:

2000