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A ROUTE TO CHAOS IN ELECTROMECHANICAL SYSTEMS: PHASE SPACE ATTRACTION BASIN SWITCHING

MARCO A. MONTAVA BELDA

Department of Systems Engineering and Control, EPSA, Polytechnic University of Valencia, Plaza Ferrandiz y Carbonell, 2, E-03801, Alcoi. Spain

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https://doi.org/10.1142/S021812740902413XCited by:3 (Source: Crossref)

Abstract

Certain systems present chaotic dynamics when subjected to a regular periodic input. In a study of a nonlinear model of an electromechanical transducer, its dynamic stability is analyzed and it is observed to present chaotic dynamics when a squared signal is introduced as input to the excitor circuit voltage. It is demonstrated that the chaotic movement is due to the periodic modification in the attraction basin of the state space, caused by the input varying in time. Varying the input causes the system to cross saddle type bifurcation values in which points of equilibrium appear and disappear, periodically modifying the qualitative aspects of the system's phase space. This paper describes the deterministic chaos generation by the regular and periodic modification of the properties of the phase space.

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