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  • 标题:Randomized Approximations of the Image Set of Nonlinear Mappings with Applications to Filtering ∗
  • 本地全文:下载
  • 作者:Fabrizio Dabbene ; Didier Henrion ; Constantino Lagoa
  • 期刊名称:IFAC PapersOnLine
  • 印刷版ISSN:2405-8963
  • 出版年度:2015
  • 卷号:48
  • 期号:14
  • 页码:37-42
  • DOI:10.1016/j.ifacol.2015.09.430
  • 语种:English
  • 出版社:Elsevier
  • 摘要:AbstractThe aim of this paper is twofold: In the first part, we leverage recent results on scenario design to develop randomized algorithms for approximating theimage setof a nonlinear mapping, that is, a (possibly noisy) mapping of a set via a nonlinear function. We introduce minimum-volume approximations which have the characteristic of guaranteeing a low probability of violation, i.e., we admit for a probability that some points in the image set are not contained in the approximating set, but this probability is kept below a pre-specified thresholde.In the second part of the paper, this idea is then exploited to develop a new family of randomized prediction-corrector filters. These filters represent a natural extension and rapprochement of Gaussian and set-valued filters, and bear similarities with modern tools such as particle filters.
  • 关键词:KeywordsRandomized algorithmsfilteringnonlinear systemssemialgebraic sets
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