Application of resonant parametric perturbation to the chaos control in Boost converter and its optimization

Zhou, Yufei; Chen, Junning; Tse, Chi Kong; Ke, Daoming; Shi, Longxing; Weifeng, Sun

doi:10.7498/aps.53.3676

Cited by 26 publications

(3 citation statements)

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“…When switch G is turned on in the moment, state variables x m of Buck converter can express by equation (8).…”

Section: Theoretical Analysis Methods Of Voltage Mode Buck Convertermentioning

confidence: 99%

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Research of Complex Behavior of Switching Power Converters

Wei

Yuan²,

Hu³

2010

AMM

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More and more experts and scholars pay more attention to the research of complex behavior in switching power converters. The research has become an important branch in power electronics. This paper introduces research methods of complex behavior in switching power converter. It includes how to observe complex behavior through building up mathematics modeling and simulation and how to make theoretical analysis to understand the reason occurring complex behavior. Practice proved that the research has a very important practical value and theoretical significance for stability design of switching power converters.

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“…When switch G is turned on in the moment, state variables x m of Buck converter can express by equation (8).…”

Section: Theoretical Analysis Methods Of Voltage Mode Buck Convertermentioning

confidence: 99%

“…It need go through the process of bifurcation when the system gets into chaos [8]. The process of bifurcation took place in the first time when I ref is about equal to 1.7A from period 1 to period 2.…”

Section: Theoretical Analysis Methods Of Current Mode Boost Convertermentioning

confidence: 99%

Research of Complex Behavior of Switching Power Converters

Wei

Yuan²,

Hu³

2010

AMM

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“…According to the circuit schematic diagram of the system shown in Figure 1, and combined with the theoretical knowledge of related circuit, the working principle is analyzed. 31 Using the laws of KCL and KVL, the inductive current i L and the capacitive voltage v c are determined as the state variables of the system, that is x = [ i L v c ] T , the state equations of the system are…”

Section: Chaotic Motion Analysis Of the Systemmentioning

confidence: 99%

Model-free adaptive chaos control for the boost converter

Li,

Jiang,

Wei

2023

Measurement and Control

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In order to solve the dynamic analysis and chaotic motion control problems of the current-mode-controlled Boost converter system, a state equation model in the continuous current mode is established. The evolutionary path of the periodic motion of the system through the doubling bifurcation to the chaotic motion is analyzed by the bifurcation diagram, Poincaré sections and phase portraits. Then, according to the fundamental principle of the resonant parametric perturbation (RPP) method, a controller is designed based on the model-free adaptive control (MFAC) method to output the perturbation amplitude, and the disturbance quantity is calculated according to the perturbation amplitude. By adding a small amplitude disturbance to the controllable parameter of the controlled system, the chaotic motion of the system is guided to expected periodic orbit. The advantage of this method is that no precise mathematical model (PMM) of the system is required. At the same time, the design of the controller is simple and easy to implement.

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