<?xml version="1.0" encoding="UTF-8"?> <article key="pdf/14418" mdate="2007-09-29 00:00:00"> <author>Sajid Iqbal and Masood Ahmed and Suhail Aftab Qureshi</author> <title>Investigation of Chaotic Behavior in DCDC Converters</title> <pages>1283 - 1286</pages> <year>2007</year> <volume>1</volume> <number>9</number> <journal>International Journal of Electronics and Communication Engineering</journal> <ee>https://publications.waset.org/pdf/14418</ee> <url>https://publications.waset.org/vol/9</url> <publisher>World Academy of Science, Engineering and Technology</publisher> <abstract>DCDC converters are widely used in regulated switched mode power supplies and in DC motor drive applications. There are several sources of unwanted nonlinearity in practical power converters. In addition, their operation is characterized by switching that gives birth to a variety of nonlinear dynamics. DCDC buck and boost converters controlled by pulsewidth modulation (PWM) have been simulated. The voltage waveforms and attractors obtained from the circuit simulation have been studied. With the onset of instability, the phenomenon of subharmonic oscillations, quasiperiodicity, bifurcations, and chaos have been observed. This paper is mainly motivated by potential contributions of chaos theory in the design, analysis and control of power converters, in particular and power electronics circuits, in general. </abstract> <index>Open Science Index 9, 2007</index> </article>