Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications
Online ISSN : 2188-4749
Print ISSN : 2188-4730
The 44th ISCIE International Symposium on Stochastic Systems Theory and Its Applications (Nov. 2012, Tokyo)
Identification of Partially Unknown System Matrix of Discrete-time Stochastic Systems via Pseudomeasurement Approach
Akio TanikawaYuichi Sawada
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2013 Volume 2013 Pages 107-112

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Abstract
In this paper, a new identification method of discrete-time linear stochastic systems is proposed. We assume that some entries of the system matrix are unknown and propose a new method which identifies those unknown entries and the state vector of the system simultaneously. The key idea of the proposed method is the use of pseudomeasurement which is a fictitious observation process on the unknown entries and has been introduced by Kameyama and Ohsumi for continuous-time linear stochastic systems. Augmenting the pseudomeasurement with the original observation process, we derive the new identification method by applying the extended Kalman filter.
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© 2013 ISCIE Symposium on Stochastic Systems Theory and Its Applications
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