Volume 26 | Number 1 | Year 2015 | Article Id. IJMTT-V26P501 | DOI : https://doi.org/10.14445/22315373/IJMTT-V26P501
An interesting and real world problem is discussed in this paper in the kind of observer design of time-varying singular systems (Transistor Circuits). The results (approximate solutions) obtained using the Adomian Decomposition Method (ADM) and Singleterm Haar wavelet series (STHW) [12] methods are compared with the exact solutions of the time-varying singular systems. It is found that the solution obtained using ADM is closer to the exact solutions of the timevarying singular systems. The high accuracy and the wide applicability of ADM approach will be demonstrated with numerical examples. Finally error graphs for approximate and exact solutions are presented in a graphical form to show the accuracy of the ADM. This ADM can be easily implemented in a digital computer and the solution can be obtained for any length of time.
[1] G. Adomian, “Solving Frontier Problems of Physics: Decomposition method”, Kluwer, Boston, MA, 1994.
[2] J. C. Butcher, “The Numerical Methods for Ordinary Differential Equations”, 2003, John Wiley & Sons, U.K.
[3] S. L. Campbell, Singular systems of differential equations, Pitman, London, (1980).
[4] S. L. Campbell, Singular systems of differential equations II, Pitman, London. (1982).
[5] S. L. Campbell, “Bilinear nonlinear descriptor control systems”, CRSC Tech. Rept. 102386-01, Department of Mathematics, N. C. State University, Raleigh, (1987) NC 27695.
[6] S. L. Campbell and J. Rodriguez, “Non-linear singular systems and contraction mappings”, Proceedings of the American Control Conference, (1984), 1513-1519.
[7] S. L. Campbell and L. R. Petzold, “Canonical forms and solvable singular systems of differential equations”, SIAM J. Algebraic and Discrete Methods, 4, (1983), 517-521.
[8] W. L. Chen and Y. P. Shih, “Analysis and optimum control of time-varying linear systems via Walsh functions”, Int. J. Control, 27, 917-932, 1978.
[9] C. H. Hsiao and W. J. Wang, “State analysis of time-varying singular bilinear systems via Haar Wavelets”, Math. and Computers in simulation, 52, 11-20, 2000.
[10] S. Sekar and A. Kavitha, “Numerical Investigation of the Time Invariant Optimal Control of Singular Systems Using Adomian Decomposition Method”, Applied Mathematical Sciences, vol. 8, no. 121, pp. 6011-6018, 2014.
[11] S. Sekar and A. Kavitha, “Analysis of the linear timeinvariant Electronic Circuit using Adomian Decomposition Method”, Global Journal of Pure and Applied Mathematics, vol. 11, no. 1, pp. 10-13, 2015.
[12] S. Sekar and K. Jaganathan, “Numerical investigation of time-varying transistor circuit using single-term Haar wavelet series”, International Journal of Computer, Mathematical Sciences and Applications , Vol. 4, Nos. 1-2, 2010, pp. 99- 104.
[13] S. Sekar and M. Nalini, “Numerical Analysis of Different Second Order Systems Using Adomian Decomposition Method”, Applied Mathematical Sciences, vol. 8, no. 77, pp. 3825-3832, 2014.
[14] S. Sekar and M. Nalini, “Numerical Investigation of Higher Order Nonlinear Problem in the Calculus of Variations Using Adomian Decomposition Method”, IOSR Journal of Mathematics, vol. 11, no. 1 Ver. II, (Jan-Feb. 2015), pp. 74- 77.
[15] S. Sekar and M. Nalini, “A Study on linear time-invariant Transistor Circuit using Adomian Decomposition Method”, Global Journal of Pure and Applied Mathematics, vol. 11, no. 1, pp. 1-3, 2015.
[16] S. Sekar and K. Jaganathan, “Numerical investigation of time-varying transistor circuit using single-term Haar wavelet series”, International Journal of Computer, Mathematical Sciences and Applications , Vol. 4, Nos. 1-2, 2010, pp. 99- 104.
[17] C. J. Wang, “State feedback impulse elimination of linear time-varying singular systems”, Automatica, 32(1), 133-136, 1996.
S. Sekar, M. Nalini, "Observer design of time-varying Singular Systems (Transistor Circuits) Using Adomian Decomposition Method," International Journal of Mathematics Trends and Technology (IJMTT), vol. 26, no. 1, pp. 1-3, 2015. Crossref, https://doi.org/10.14445/22315373/IJMTT-V26P501