Geometric properties of nonlinear networks containing capacitor-only cutsets and/or inductor-only loops. Part I: Conservation laws |
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Authors: | B C Haggman P R Bryant |
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Affiliation: | (1) Department of Electrical Engineering, University of Waterloo, N2L 3G1 Waterloo, Ontario, Canada |
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Abstract: | This paper is the first in a two part sequence which studies nonlinear networks, containing capacitor-only cutsets and/or inductor-only loops from the geometric coordinate-free point of view of differentiable manifolds. Given such a nonlinear networkN, with °0 equal to the sum of the number of independent capacitor-only cutsets and the number of independent inductor-only loops, we establish the following: (i) circuit theoretic sufficient conditions to guarantee that the set 0, of equilibrium points is a 0-dimensional submanifold of the state space ofN; (ii) circuit theoretic sufficient conditions for the condition thatN has 0 independent conservation laws and hence that through each point of the state space ofN, there passes a codimension 0 invariant submanifold
*
of the network dynamics; (iii) circuit theoretic sufficient conditions to guarantee that the manifolds
*
and 0 intersect transversely.This work was supported by the Natural Sciences and Engineering Research Council of Canada, under Grant Number A7113, and by scholarships from the Natural Sciences and Engineering Research Council of Canada and the Ontario Provincial Government. |
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