2020
DOI: 10.1002/tee.23148
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A method for calculating the Lyapunov exponent spectrum of DC‐DC converter feeding with a switching constant power load

Abstract: Nonlinear dynamic behaviors such as the bifurcation and chaos of DC‐DC converters with switching constant power load are studied in this paper. Based on the consideration of constant power load switching, a discrete iterative mapping model of the system including the switching process is established, and its Lyapunov exponent spectrum algorithm is derived. The main procedure of the algorithm is as follows: Firstly, the system is divided into six smooth segments, and the zero‐time discontinuous mapping of the l… Show more

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Cited by 4 publications
(4 citation statements)
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“…To verify the effectiveness of the proposed discrete model and validate PABS analysis, an experimental setup of a buck converter feeding an SCPL was constructed in the laboratory, shown in Fig. 3 [17]. The phase portraits of iL(t)-uC(t) and the time waveform of uC(t) under several P0 values were measured with the experimental platform, as shown in Figs.…”
Section: Resultsmentioning
confidence: 99%
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“…To verify the effectiveness of the proposed discrete model and validate PABS analysis, an experimental setup of a buck converter feeding an SCPL was constructed in the laboratory, shown in Fig. 3 [17]. The phase portraits of iL(t)-uC(t) and the time waveform of uC(t) under several P0 values were measured with the experimental platform, as shown in Figs.…”
Section: Resultsmentioning
confidence: 99%
“…On the basis of the modeling method of the impact oscillator [15,19,21,023], the discrete mapping of the switched evolution process for a DC-DC converter feeding an SCPL was derived in detail in our previous work [17]. Thus, the discrete mapping of the switched evolution process is used directly and rewritten as [17,19,20] k Ck…”
Section: Discrete Model Of the Switched Evolution Processmentioning
confidence: 99%
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