Study of bifurcation and chaos in the current-mode controlled buck-boost DC-DC converter

Cheng, Ke; Liu, Minjian; Wu, Jie; Cheung, N.C.

doi:10.1109/iecon.2001.975866

Cited by 14 publications

(9 citation statements)

References 18 publications

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“…Two‐dimensional discrete time model of a buck–boost converter is derived in . A more realistic discrete time model is developed in this section, considering parasitic elements like inductor resistance and capacitor resistance.…”

Section: Nonlinear Dynamics Analysis Of Boost and Buck–boost Convertersmentioning

confidence: 99%

“…To the best of our knowledge, very few researchers have concentrated on the potential of power electronics‐based chaotic DC‐DC converters in secure communication. Power electronics‐based DC‐DC converters, when used in feedback configuration, have been reported to exhibit nonlinear behavior . The only useful application reported of nonlinear dynamics like chaos in DC‐DC converters is electromagnetic interference mitigation .…”

Section: Introductionmentioning

confidence: 99%

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Design of a robust receiver for chaotic switching maps of DC‐DC power electronics transmitter converters for secure communication

Thukral

Sherpa

Garg

2016

Security Comm Networks

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This paper aims to open a new vista of research in the direction of possible application of power electronics DC-DC converters in analog chaotic communication. Most of the work reported on analog chaotic communication is based on the pioneer work of Pecora and Caroll, with synchronization between transmitter and receiver. Receiver based on synchronization, also known as coherent receiver, has a disadvantage of parameter mismatch and is sensitive to noise. In the present work, firstly, a secure transmitter using chaotic DC-DC converters is proposed that encrypts information using chaotic switching map technique. In chaotic switching map technique, the message is encrypted by randomly switching from one chaotic converter to another. The bifurcation parameter of the randomly switched chaotic converter is modulated by the message. Secondly, an attempt has been made to design a robust non-coherent receiver that is adaptable to the switching chaotic transmitters, even in the presence of noise. Once the receiver identifies the chaotic converter, it can decode the message as per the decryption algorithm. With the proposed non-coherent receiver, the disadvantages of coherent receivers can be overcome. We have also devised a prototype smart meter, used in smart distribution grid for implementing the proposed communication technique.

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Section: Nonlinear Dynamics Analysis Of Boost and Buck–boost Convertersmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Design of a robust receiver for chaotic switching maps of DC‐DC power electronics transmitter converters for secure communication

Thukral

Sherpa

Garg

2016

Security Comm Networks

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“…In past years, due to nonlinear features of electronic components such as MOSFE T and diodes, there are most power electronic circuits that exhibit a wide range of bifurcation and chaotic behavior under switching nonlinearity. Nonlinear phenomena in buck, boost and buck-boost DC-DC converters have been widely studied for twenty years [1][2][3][4][5][6][7][8].…”

Section: State Equations Of Flyback Convertermentioning

confidence: 99%

Switching frequency influence of flyback converter's nonlinear phenomena

Hsieh

Wang

Chang

et al. 2013

2013 International Conference on Machine Learning and Cybernetics

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This paper investigates the nonlinear behaviors when the switching frequency changed in the UC3842 current-mode controlled flyback converter. First, State equations of the flyback converter are derived. The converter in continuous conduction mode (CCM) is then considered. Second, MATLAB/SIMULINK is used to construct simulation of the converter whose operation under varying switching frequency parameters. The output voltage, inductor current waveforms and phase-plane portraits are observed. It can be seen that the system exhibits nonlinear dynamics from period-one operation through period-doubling to chaos phenomena as the switching frequency are changed. From the simulation results, it is clearly evident that SIMULINK provide consistent results and verify the mathematical models and able to really understand the nonlinear behavior of the flyback converter.

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“…00 ©20 1 0 IEEE input to a DC output at a lower voltage [6]. In litera ture, it has been reported that the switching operations of DCIDC converters in all their types (buck [1, 3,1 1], boost [2,5], buck-boost [9], C uk [4]) and structures (parallel connected [2,13], multi-cell [1,3]) exhibit a wide range of bifurcations and chaos, when some parameters are varied. To stabilize the chaotic behavior, several control methods are presented.…”

Section: Introductionmentioning

confidence: 99%

Stability analysis of a two-cell DC/DC converter using a dynamic time delayed feedback controller

Koubaâ

Feki

Aroudi

et al. 2010

2010 7th International Multi- Conference on Systems, Signals and Devices

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In this paper, we are interested in studying the stability of the two-cell DCIDC buck converter. First, this system is described by a discrete nonlinear model in the state space. Next, we design a dynamic time-delayed feedback con troller to assure equal distribution of the potential differ ence between the cells and to achieve a reference current through the load. According to the controller parameters, two cases are treated in this paper. A stability analysis of the system is carried out for each case. These results are confirmed with numerical simulations.

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Study of bifurcation and chaos in the current-mode controlled buck-boost DC-DC converter

Cited by 14 publications

References 18 publications

Design of a robust receiver for chaotic switching maps of DC‐DC power electronics transmitter converters for secure communication

Design of a robust receiver for chaotic switching maps of DC‐DC power electronics transmitter converters for secure communication

Switching frequency influence of flyback converter's nonlinear phenomena

Stability analysis of a two-cell DC/DC converter using a dynamic time delayed feedback controller

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