• Chinese Journal of Quantum Electronics
  • Vol. 41, Issue 1, 170 (2024)
ZENG Fanpeng, LAI Qiang*, and LAI Cong
Author Affiliations
  • School of Electrical and Automation Engineering, East China Jiaotong University, Nanchang 330013, China
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    DOI: 10.3969/j.issn.1007-5461.2024.01.017 Cite this Article
    Fanpeng ZENG, Qiang LAI, Cong LAI. Complex dynamic analysis and circuit realization of memristive Sprott⁃R chaotic system[J]. Chinese Journal of Quantum Electronics, 2024, 41(1): 170 Copy Citation Text show less
    Chaotic attractor for Sprott-R system. (a) x-y; (b) x-z
    Fig. 1. Chaotic attractor for Sprott-R system. (a) x-y; (b) x-z
    "8"type voltammetric characteristic curve of cubic magneto memristor
    Fig. 2. "8"type voltammetric characteristic curve of cubic magneto memristor
    Sprott-R chaotic system with memristor
    Fig. 3. Sprott-R chaotic system with memristor
    Chaotic attractor for system (7). (a) x-y; (b) x-z; (c) x-w; (d) y-z
    Fig. 4. Chaotic attractor for system (7). (a) x-y; (b) x-z; (c) x-w; (d) y-z
    The Lyapunov exponential spectrum (a) and bifurcation diagram (b) of system (7) change with a and a∈[0.4,2.4]
    Fig. 5. The Lyapunov exponential spectrum (a) and bifurcation diagram (b) of system (7) change with a and a[0.4,2.4]
    Projection of system (7) on x-y plane with a. (a) a=0.45; (b) a=1.15; (c) a=1.45; (d) a=1.75; (e) a=2.1;(f) a=2.25
    Fig. 6. Projection of system (7) on x-y plane with a. (a) a=0.45; (b) a=1.15; (c) a=1.45; (d) a=1.75; (e) a=2.1;(f) a=2.25
    The Lyapunov exponential spectrum (a) and bifurcation diagram (b) of system (7) change with b and b∈[0.1, 2.1]
    Fig. 7. The Lyapunov exponential spectrum (a) and bifurcation diagram (b) of system (7) change with b and b[0.1, 2.1]
    Projection of system (7) on x-y plane with b. (a) b=0.3; (b) b=1.1; (c) b=1.5
    Fig. 8. Projection of system (7) on x-y plane with b. (a) b=0.3; (b) b=1.1; (c) b=1.5
    Bifurcation diagram of the system with different parameters under different initial conditions (The red and blue lines represent the initial conditions [-4,-2,3,4] and [-4,-2,8,4]. )
    Fig. 9. Bifurcation diagram of the system with different parameters under different initial conditions (The red and blue lines represent the initial conditions [-4,-2,3,4] and [-4,-2,8,4]. )
    Lyapunov exponential spectrum of system (7) with different initial conditions [-4,-2,3,4] (a) and [-4,-2,8,4] (b) ( L1, L2 respectively represent the two larger of the four Lyapunov indices and L1>L2. )
    Fig. 10. Lyapunov exponential spectrum of system (7) with different initial conditions [-4,-2,3,4] (a) and [-4,-2,8,4] (b) ( L1, L2 respectively represent the two larger of the four Lyapunov indices and L1>L2. )
    Projection on x-y plane of multiple coexisting attractors. (a) a=0.41; (b) a=0.9; (c) a=2
    Fig. 11. Projection on x-y plane of multiple coexisting attractors. (a) a=0.41; (b) a=0.9; (c) a=2
    Projection (a) of Chaos attractor for system (7) and wave diagram (b) on x-y plane with m
    Fig. 12. Projection (a) of Chaos attractor for system (7) and wave diagram (b) on x-y plane with m
    Four-dimensional output signal bifurcation diagram of system (7) with m∈(10,60). (a) x-m; (b) y-m; (c) z-m; (d) w-m
    Fig. 13. Four-dimensional output signal bifurcation diagram of system (7) with m(10,60). (a) x-m; (b) y-m; (c) z-m; (d) w-m
    Projection (a) of system (7) and wave diagram (b) on x-y plane with m > 60
    Fig. 14. Projection (a) of system (7) and wave diagram (b) on x-y plane with m > 60
    Memristive chaotic system circuit diagram (a) and memristor's equivalent circuit (b)
    Fig. 15. Memristive chaotic system circuit diagram (a) and memristor's equivalent circuit (b)
    Circuit simulation results. (a) x-y; (b) x-z; (c) x-w; (d) y-z
    Fig. 16. Circuit simulation results. (a) x-y; (b) x-z; (c) x-w; (d) y-z
    Fanpeng ZENG, Qiang LAI, Cong LAI. Complex dynamic analysis and circuit realization of memristive Sprott⁃R chaotic system[J]. Chinese Journal of Quantum Electronics, 2024, 41(1): 170
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