Study on the Effect of Judgment Excitation Mode to Relieve Driving Fatigue Based on MF-DFA

Figures

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  Figure 1. Experimental equipment diagram (a) Neuroscan (b) JT/T378 (c) response switch (d) Arduino UNO R3 (e) speech synthesis module SYN6288 (f) speech chip ISD4004.

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  Figure 2. Change trend of subjective questionnaire scores.

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  Figure 3. Hurst exponent. (a) Hurst exponent of the θ sub-band in Normal driving mode; (b) Hurst exponent of the θ sub-band in JEM.

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  Figure 4. Comparison of the Hurst exponent of the θ sub-band in two driving modes. (a) first stage; (b) second stage; (c) third stage; (d) fourth stage.

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  Figure 5. Hurst exponent. (a) Hurst exponent of the β sub-band in Normal driving mode; (b) Hurst exponent of the β sub-band in JEM.

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  Figure 6. Comparison of the Hurst exponent of the β sub-band in two driving modes. (a) first stage; (b) second stage; (c) third stage; (d) fourth stage.

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  Figure 7. Multifractal spectrum. (a) multifractal spectrum of the θ sub-band in Normal driving mode; (b) multifractal spectrum of the θ sub-band in JEM.

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  Figure 8. Comparison of multifractal spectrum of the θ sub-band in two driving modes. (a) first stage; (b) second stage; (c) third stage; (d) fourth stage.

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  Figure 9. Multifractal spectrum. (a) multifractal spectrum of the β sub-band in Normal driving mode; (b) multifractal spectrum of the β sub-band in JEM.

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  Figure 10. Comparison of the multifractal spectrums of the β sub-band in two driving modes. (a) first stage; (b) second stage; (c) third stage; (d) fourth stage.

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  Figure 11. Hurst exponent range. (a) Hurst exponent range of the θ sub-band in two driving modes; (b) Hurst exponent range of the β sub-band in two driving modes.

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  Figure 12. Multifractal spectrum width values. (a) multifractal spectrum width of the θ sub-band in two driving modes; (b) multifractal spectrum width of the β sub-band in two driving modes.