Reference : Stochastic Analysis of Dead-time Systems using a Hybrid Spectral Method
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Mathematics
http://hdl.handle.net/10993/23693
Stochastic Analysis of Dead-time Systems using a Hybrid Spectral Method
English
Duong, Pham mailto [University of Luxembourg > Luxembourg Centre for Systems Biomedicine (LCSB) > >]
Oct-2015
International Journal of Control, Automation, and Systems
Springer
13
5
Yes
International
1598-6446
[en] operational matrix ; uncertainty quantification
[en] Abstract: Control systems often operate in the presence of dead-time. However, in most works, these dead-time systems are studied in a deterministic manner, which have low precision and reliability. Many natural systems often suffer stochastic noise that causes fluctuations in their behavior, making their responses deviate from nominal models. Therefore, it is important to investigate such statistical characteristic of states (mean, variance, etc.) for those stochastic systems. This problem is often called statistical analysis of a system. A hybrid spectral method represents a powerful numerical tool for sta- tistical analysis of stochastic linear system. Thus, a hybrid spectral technique is proposed for statistical analysis of the time delay system under affections of random parameters and inputs. Numerical exam- ples are considered to demonstrate the validity of the proposed method. Comparison with the tradition- al Monte-Carlo and the polynomial chaos methods is made to demonstrate the computationally less- demanding feature of the proposed method.
Researchers ; Professionals ; Students ; General public ; Others
http://hdl.handle.net/10993/23693

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