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    Optimal Filtering of Linear System Driven by Fractional Brownian Motion

    155242_32673_DSA-30-09.pdf (185.9Kb)
    Access Status
    Open access
    Authors
    Misiran, Masnita
    Wu, C.
    Lu, Z.
    Teo, Kok Lay
    Date
    2010
    Type
    Journal Article
    
    Metadata
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    Citation
    Misiran, Masnita and Wu, Changzi and Lu, Zudi and Teo, K.L. 2010. Optimal Filtering of Linear System Driven by Fractional Brownian Motion. Dynamic Systems and Applications. 19: pp. 495-514.
    Source Title
    Dynamic Systems and Applications
    ISSN
    1056-2176
    School
    Department of Mathematics and Statistics
    URI
    http://hdl.handle.net/20.500.11937/9384
    Collection
    • Curtin Research Publications
    Abstract

    In this paper, we consider a continuous time filtering of a multi-dimensional Langevin stochastic differential system driven by a fractional Brownian motion process. It is shown that this filtering problem is equivalent to an optimal control problem involving convolutional integrals in its dynamical system. Then, a novel approximation scheme is developed and applied to this optimal control problem. It yields a sequence of standard optimal control problems. The convergence of the approximate standard optimal control problem to the optimal control problem involving convolutional integrals in its system dynamics is established. Two numerical examples are solved by using the method proposed. The results obtained clearly demonstrate its efficiency and effectiveness.

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