Parallel Computing in Electrical Engineering, 2004. International Conference on (2002)

Warsaw, Poland

Sept. 22, 2002 to Sept. 25, 2002

ISBN: 0-7695-1730-7

pp: 364

Jarosław Forenc , Białystok Technical University

ABSTRACT

In the article the speculative method of the analysis of transient states appearing in systems described by a large system of linear or nonlinear ordinary differential equations will be presented. This method is based on decomposition of the total time of the transient analysis on a given number of subintervals, in which computations are conducted in parallel with the use of one of well-known numerical methods of solving ordinary differential equations system. In previous papers the application of the fourth-order Runge-Kutta method with a fixed integration step was presented. In this paper the application of the same method, but with a variable integration step, will be shown. The change of the method allows to reduce the time of computations, but requires a new method of determination of initial conditions in particular subintervals and a new method of division of the total time of transient states analysis to be worked out. as an example of application of the speculative method, the analysis of dynamics of an asynchronous slip-ring motor will be presented.

INDEX TERMS

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CITATION

J. Forenc, "The Speculative Method of Transient State Analysis with a Variable Integration Step,"

*Parallel Computing in Electrical Engineering, 2004. International Conference on(PARELEC)*, Warsaw, Poland, 2002, pp. 364.

doi:10.1109/PCEE.2002.1115298

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