2018
DOI: 10.1002/acs.2873
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Distributed Student's t filtering algorithm for heavy‐tailed noises

Abstract: In this paper, a distributed Student's t filtering algorithm to deal with heavy-tailed noises is developed. In the traditional Kalman filter, the distribution of the signal is assumed. However, in reality, outliers in the signal are often encountered for which the assumption of Gaussian distribution is no longer valid. The Student's t distribution can describe noises in the presence of outliers.As a result, the weight on each data point within the filter adapts to the data quality so that the filter becomes in… Show more

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Cited by 17 publications
(7 citation statements)
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“…Therefore, to deal with outliers that follow a non-Gaussian distribution, the Student's t distribution has been implemented. 19,20 A distributed Student's t filtering algorithm is developed to deal with noise process in the presence of heavy-tailed noises. 19 In process monitoring and diagnosis, a robust approach 21 with multivariate Student's t distribution has been proposed to adapt to different data quality in various operating points.…”
Section: Introductionmentioning
confidence: 99%
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“…Therefore, to deal with outliers that follow a non-Gaussian distribution, the Student's t distribution has been implemented. 19,20 A distributed Student's t filtering algorithm is developed to deal with noise process in the presence of heavy-tailed noises. 19 In process monitoring and diagnosis, a robust approach 21 with multivariate Student's t distribution has been proposed to adapt to different data quality in various operating points.…”
Section: Introductionmentioning
confidence: 99%
“…19,20 A distributed Student's t filtering algorithm is developed to deal with noise process in the presence of heavy-tailed noises. 19 In process monitoring and diagnosis, a robust approach 21 with multivariate Student's t distribution has been proposed to adapt to different data quality in various operating points. In addition, a robust probabilistic model with Student's t mixture output is proposed for fault classification in dynamic industrial processes.…”
Section: Introductionmentioning
confidence: 99%
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“…In order to deal with heavy tailed noises caused by outliers, the Student's t distribution has been commonly used in the state estimation problems [1720]. Under the condition that process and measurement noises are both heavy tailed, a linear Student's t filter is proposed by calculating the posterior density in [19], which is further extended to non‐linear systems [20].…”
Section: Introductionmentioning
confidence: 99%