Paper Information

Journal:   SCIENTIA IRANICA   2014 , Volume 21 , Number 3 (TRANSACTIONS D: COMPUTER SCIENCE AND ENGINEERING AND ELECTRICAL ENGINEERING); Page(s) 935 To 944.
 
Paper: 

BIFURCATION ANALYSIS OF A RESISTOR-DOUBLE INDUCTOR AND DOUBLE DIODE CIRCUIT AND A COMPARISON WITH A RESISTOR-INDUCTOR-DIODE CIRCUIT IN PHASE SPACE AND PARAMETRICAL RESPONSES

 
 
Author(s):  KURT E.*, CIYLAN B., TASKAN O.O., KURT H.H.
 
* DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING, FACULTY OF TECHNOLOGY, GAZI UNIVERSITY, 06500 TEKNIKOKULLAR, ANKARA, TURKEY
 
Abstract: 

In this paper experimental and analytical explorations of an R-2L-2D circuit were carried out. The responses from the ordinary em RL-Diode and R-2L-2D circuits were characterized and compared for a wide parameter region. As a new circuit, R-2L-2D has an additional inductor and a diode. The circuit had dierent attractors compared with the ordinary RL-Diode circuit. It was proven that the new circuit exhibited wider chaotic regions on the parameter space (i.e. input voltage, Vf, and frequency, f). Both even and odd subharmonic responses were observed following the multiple periodic doublings. The bifurcation analysis revealed the dominance of feeding frequency by means of the center manifold theory. However, periodic and chaotic attractors diered for each circuit. In fact, the new circuit generated symmetric trajectories. A detailed investigation proved that the chaotic responses in the proposed circuit could start at the peak-to-peak voltage of Vf=1: 35 V, at frequency 40 kHz, which was nearly half of the frequency value found for the ordinary circuit. Besides, a wide range of chaotic behavior was observed beyond Vf=0: 675 V and f=200 kHz. Chaotic trajectories dominated the dynamics up to f=500 kHz.

 
Keyword(s): BIFURCATION, CENTER MANIFOLD, CHAOS, RESISTOR-INDUCTORDIODE CIRCUIT
 
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