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International Conference on Parallel Computing in Electrical Engineering (PARELEC'02) (2002)
Warsaw, Poland
Sept. 22, 2002 to Sept. 25, 2002
ISBN: 0-7695-1730-7
pp: 364
Jarosław Forenc , Białystok Technical University
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.

J. Forenc, "The Speculative Method of Transient State Analysis with a Variable Integration Step," International Conference on Parallel Computing in Electrical Engineering (PARELEC'02)(PARELEC), Warsaw, Poland, 2002, pp. 364.
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