Opuscula Mathematica
Opuscula Math. 40, no. 6 (2020), 685-702

A note on attractivity for the intersection of two discontinuity manifolds

Fabio V. Difonzo
Abstract. In piecewise smooth dynamical systems, a co-dimension 2 discontinuity manifold can be attractive either through partial sliding or by spiraling. In this work we prove that both attractivity regimes can be analyzed by means of the moments solution, a spiraling bifurcation parameter and a novel attractivity parameter, which changes sign when attractivity switches from sliding to spiraling attractivity or vice-versa. We also study what happens at what we call attractivity transition points, showing that the spiraling bifurcation parameter is always zero at those points.
Keywords: piecewise smooth systems, sliding motion, co-dimension 2, discontinuity manifold, attractivity.
Mathematics Subject Classification: 34A36.
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About the authors ▼
Fabio V. Difonzo
https://orcid.org/0000-0003-0101-3391
Czech Technical University in Prague, Department of Computer Science, Faculty of Electrical Engineering, Karlovo nám. 13, 120 00 Nové Město, Prague, Czech Republic; Code Architects Srl, Via Campania 1, 70029 Santeramo in Colle (BA), Italy
About the article ▼
Communicated by Paweł Przybyłowicz.
Received: 2020-09-18.
Revised: 2020-10-03.
Accepted: 2020-10-05.
Published online: 2020-12-01.
Cite this article as ▼
Fabio V. Difonzo, A note on attractivity for the intersection of two discontinuity manifolds, Opuscula Math. 40, no. 6 (2020), 685-702, https://doi.org/10.7494/OpMath.2020.40.6.685.
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