期刊
INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS
卷 30, 期 13, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218127420501849
关键词
Locally active; memristor; coexisting pinched hysteresis loops; hardware implementation
资金
- National Natural Science Foundation of China [61971185]
- science and technology planning project of Hunan Province [2017GK4009]
- Open Fund Project of Key Laboratory in Hunan Universities [18K010]
Locally active memristors with multiple coexisting pinched hysteresis loops have attracted the attention of researchers. However, the currently reported multiple coexisting pinched hysteresis loops memristors are obtained by adding additional piecewise-linear terms into the original Chua corsage memristor. This paper proposes a novel locally active memristor by introducing a polynomial characteristic function into the state equation. The novel memristor has three coexisting pinched hysteresis loops, large relative range of active region and simple emulator circuit. The characteristics of the novel memristor such as power-off plot, coexisting pinched hysteresis loops and DC V-I plot are studied. The memristor is used in a Chua chaotic system to investigate the effects of locally active characteristic on the chaotic oscillation system. Furthermore, the memristor emulator and chaotic system are designed and implemented by commercial circuit elements. The hardware experiments are consistent with numerical simulations.
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