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2013 (Vol. 5, Issue: 20)
Article Information:

Approach to Identification of a Second-Order Volterra Kernel of Nonlinear Systems by Tchebyshev Polynomials Method

Y.H. Wang and J.L. Han
Corresponding Author:  Y.H. Wang 

Key words:  Kernels identification, tchebyshev polynomials expansion volterra series, , , , ,
Vol. 5 , (20): 4950-4955
Submitted Accepted Published
October 17, 2012 December 10, 2012 May 15, 2013
Abstract:

In this study, we investigate the Tchebyshev polynomials expansion method for the kernels identification of nonlinear systems. In aerodynamic systems, all the output data to an arbitrary input may be obtained by executing the Computational Fluid Dynamic (CFD) program code. This calculation process may take more than several hours or days to complete. In comparison with the indicial or impulse methods our method is efficient, which does not need more output data for the identification of the second-order kernel by running CFD code repeatedly. This new approach may be applied to the aeroelastic problems. Two examples illustrate the whole process.
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  Cite this Reference:
Y.H. Wang and J.L. Han , 2013. Approach to Identification of a Second-Order Volterra Kernel of Nonlinear Systems by Tchebyshev Polynomials Method.  Research Journal of Applied Sciences, Engineering and Technology, 5(20): 4950-4955.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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