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Showing 4 out of a total of 4 results for community: Технически университет - София. (0.002 seconds)

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Solution of a problem for tolerance analysis of electrical circuits with a probalistic statement

Kolev, Lyubomir Varadinov; Nenov, Ivo P.; Владов, Симеон Стоянов (рец.), (2004)
Solution of a problem for tolerance analysis of electrical circuits with a probabilistic statement is presented. The problem parameters vary independently according to a normal distribution law, while the output is a scalar value. The original tolerance problem leads to two equivalent global optimization problems with constraints. Every ...
Устойчивост на затворени линейни системи за управление с интервални данни

Колев, Любомир Варадинов; Филипова-Петракиева, Симона Кирилова; Kolev, Lyubomir Varadinov; Filipova-Petrakieva, Sinoma Kirilova, (2004)
In this paper the problem of stability analysis of linear closed-looped systems under interval uncertainties is considered. The problem is reduced to the problem of determining outer bounds on the ranges of the eigenvalues of interval matrices with dependent coefficients with respect to the independent elements of all other interval matrices ...
A simple interval method for DC tolerance analysis

Kolev, Lyubomir Varadinov; Колев, Любомир Варадинов; Nenov, Ivo P.; Владов, Симеон рец., (1998)
In this paper, the worst-case tolerance analysis of dc linear electric circuits is lered. A simple method for handling the problem is sugested which reduces to inverting tatrices and solving one system of linear equations. The method is more efficient comonwise than other known methods, providing solutions of sufficient accuracy.
Tolerance analysis of linear fields using the finite element method in interval form

Kolev, Lyubomir Varadinov; Колев, Любомир Варадинов; Ненов, Иво П.; Димитров, Мартин рец., (1998)
The problem of tolerance analysis of technical devices described by linear partial equations is considered. A new approach to solving this problem is suggested which is based on an appropriate interval representation of the finite element method. Three methods for implementing the new approach are presented and discussed. It is shown that ...