Abstract
Particle filter is well suited to estimate the state of non-linear non-Gaussian dynamic systems, which comes at the cost of higher computational complexity. But in many real time applications, it must deal with constraints imposed by limited computational resources. To deal with this question, we distribute the samples among the different observations arriving during a filter update, the novel algorithm represents densities over the state space by mixtures of sample sets. Another contribution of this paper is to increasing the efficiency of particle filters by adapting the size of sample sets during the estimation process. According to the relative entropy theory and particle number controller idea, we choose the number of samples, decrease computation overhead. A simulation of the classic HARD bearing only tracking problem is presented, the results show that the novel algorithm performs better than generic particle filter.
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Acknowledgments
This research is supported by the Education Department of Hunan Province (CAREER grant number 11C1217), the Hunan Provincial Science & Technology Department (CAREER grant number 2012GK3141), the construct program of the key discipline in Hunan province, and the Key Laboratory of Intelligent Computing & Information Processing (Xiangtan University), Ministry of Education.
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Li, P., Tang, J. (2013). Adaptive Particle Filter with Estimation Windows. In: Sun, Z., Deng, Z. (eds) Proceedings of 2013 Chinese Intelligent Automation Conference. Lecture Notes in Electrical Engineering, vol 255. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-38460-8_8
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DOI: https://doi.org/10.1007/978-3-642-38460-8_8
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