Adaptive Interacting Multiple Model Unscented Particle Filter for Dynamic Acoustic Array

Abstract:

Abstract. In order to improve the tracking accuracy of 3D dynamic acoustic array to 2D maneuvering target in colored noise environment, the adaptive interacting multiple model unscented particle filter algorithm based on measured residual is proposed. The 3D motion acoustic array tracking system dynamic model is established, and initialized probability density function also is defined based on unscented transformation, after that, the measured covariance and state covariance are online adjusted by measured residual and adaptive factor, then the self-adapting capability of filter gain and the real-time capability of posterior probability density function are improved. Finally, the simulation results between different algorithms show the validity and superiority of the presented algorithm in tracking accuracy, stability and real-time capability.

• Periodical: Applied Mechanics and Materials (Volumes 300-301)
• Pages: 407-413
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.300-301.407
• Online since: February 2013
• Authors: Ya Lei Liu, Xiao Hui Gu
• Keywords: Adaptive Algorithm, Dynamic Acoustic Array, Maneuvering Target Tracking, Measured Residua, Unscented Particle Filter

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