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Intermittency in Switching Power Converters: Theoretical Analysis |
| ZHOU Yu-fei1, CHEN Jun-ning1, KE Dao-ming1, TSE Chi K.2, QIU Shui-sheng3, SHI Long-xing4, SUN Wei-feng4 |
| 1.Department of Electronic Engineering, Anhui University, Hefei 230039, China; 2.Department of Electronic and Information Engineering, The Hongkong Polytechnic University, Kowloon, Hong Kong, China; 3.School of Electronic and Information Engineering, South China University of Technology, Guangzhou, Guangdong Province, China; 4.Department of Electronic Engineering, Southeast University, Nanjing, China; |
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Abstract In view of reasonable explanation of intermittent subharmonics and chaos that can be gained from coupling filter between circuits, this paper discusses a method that maps time bifurcation with parameter bifurcation. Based on this mapping method, the general analysis method of characteristic multiplier, which is originally aimed at parameter bifurcation, can be used for the study of intermittency, i.e., time bifurcation. In this paper, all researches coming from characteristic multipliers, parameter-bifurcation diagrams, and the largest Lyapunov exponent indicate the same results as those produced by simulation and experiment. Thus, it is proved theoretically that the intermittency in switching power converter can be explained in terms of coupling of spurious interference.
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Issue Date: 05 March 2006
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