Summary

Proceedings of the 2012 International Symposium on Nonlinear Theory and its Applications

2012

Session Number:C3L-A

Session:

Number:699

A Study of Output Instability in the Current-Mode Controlled DC-DC Buck-Boost Converter

Ryota NAKASHIMA,  Takayuki KIMURA,  Yoichi ISHIZUKA,  

pp.699-702

Publication Date:

Online ISSN:2188-5079

DOI:10.15248/proc.1.699

PDF download (732.3KB)

Summary:
Because of technical advantages and diversifications of electronic devices, power supplies with high-efficiency and low noise are required to realize energy-saving society. As one of the key technologies to reduce loss of energy in the circuit, switching power supplies are proposed. Although the switching power supply which is controlled by semiconductor switching devices regulates the output voltage to use various loads efficiency, it behaves like chaotic oscillation if particular parameters are introduced into the circuit. Then, the switching power supply becomes unstable. To inspect such a behavior, we have done some experiments and evaluate it in this paper. From the results, the oscillatory phenomena can be found in the system and also the chaotic phenomena can be found in the specified condition.

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