Time domain oscillating poles: Stability redefined in Memristor based Wien-oscillators

Talukdar, Abdul Hafiz Ibne; Radwan, Ahmed G.; Salama, Khaled N.

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Conference Paper

Authors

Talukdar, Abdul Hafiz Ibne
Radwan, Ahmed G.
Salama, Khaled N.

KAUST Department

Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
Electrical Engineering Program
Physical Science and Engineering (PSE) Division
Sensors Lab

Date

2011-01-21

Online Publication Date

2011-01-21

Print Publication Date

2010-12

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http://hdl.handle.net/10754/236092

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Abstract

Traditionally, the necessary and sufficient condition for any system to be oscillating is that its poles are located on the imaginary (jω) axis. In this paper, for the first time, we have shown that systems can oscillate with time-domain oscillating poles. The idea is verified using a Memristor based Wien oscillator. Sustained oscillations are observed without having the poles of the system fixed on the imaginary axis and the oscillating behavior of the system poles is reported. The oscillating resistance and triangular shape of FFT are also demonstrated with mathematical reasoning and simulation results to support the unusual and surprising characteristics. © 2009 IEEE.

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Talukdar A, Radwan AG, Salama KN (2010) Time domain oscillating poles: Stability redefined in Memristor based Wien-oscillators. 2010 International Conference on Microelectronics. doi:10.1109/ICM.2010.5696140.