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Robust Adaptive Central Difference Particle Filter

Robust Adaptive Central Difference Particle Filter

Li Xue, Shesheng Gao, Yongmin Zhong, Reza Jazar, Aleksandar Subic
Copyright: © 2014 |Volume: 2 |Issue: 1 |Pages: 16
ISSN: 2166-7195|EISSN: 2166-7209|EISBN13: 9781466656253|DOI: 10.4018/ijrat.2014010102
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MLA

Xue, Li, et al. "Robust Adaptive Central Difference Particle Filter." IJRAT vol.2, no.1 2014: pp.19-34. http://doi.org/10.4018/ijrat.2014010102

APA

Xue, L., Gao, S., Zhong, Y., Jazar, R., & Subic, A. (2014). Robust Adaptive Central Difference Particle Filter. International Journal of Robotics Applications and Technologies (IJRAT), 2(1), 19-34. http://doi.org/10.4018/ijrat.2014010102

Chicago

Xue, Li, et al. "Robust Adaptive Central Difference Particle Filter," International Journal of Robotics Applications and Technologies (IJRAT) 2, no.1: 19-34. http://doi.org/10.4018/ijrat.2014010102

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Abstract

This paper presents a new robust adaptive central difference particle filtering method for nonlinear systems by combining the concept of robust adaptive estimation with the central difference particle filter. This method obtains system state estimate and covariances using the principle of robust estimation. Subsequently, the importance density is obtained by adjusting the state estimate and covariances through the equivalent weight function and adaptive factor constructed from predicted residuals to control the contributions to the new state estimation from measurement and kinematic model. The proposed method can not only minimize the variance of the importance density distribution to resist the disturbances of systematic noises, but it also fully takes advantage of present measurement information to avoid particle degeneration. Experiments and comparison analysis with the existing methods demonstrate the improved filtering accuracy of the proposed method.

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