September 13, 2021EntropyOpen Access

Research on Driving Fatigue Alleviation Using Interesting Auditory Stimulation Based on VMD-MMSE

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Why the study?

The accurate detection and alleviation of driving fatigue are of great significance to traffic safety.

Does interesting auditory stimulation alleviate driving fatigue?

Structured PICO

Does interesting auditory stimulation alleviate driving fatigue?

Population

Drivers (sample size and demographics not specified in abstract)

Intervention

Interesting auditory stimulation (playing interesting auditory information on vehicle-mounted player)

Comparator

Normal driving mode

Outcome

Driving fatigue (assessed via VMD-MMSE EEG features and subjective questionnaire)surrogate

Interesting auditory stimulation can effectively relieve driving fatigue in real-time, and VMD-MMSE is an effective method for detecting driving fatigue from EEG signals.

Implication

Supports MMSE-VMD EEG features for fatigue detection; leaves open prospective validation before clinical adoption.

Abstract

The accurate detection and alleviation of driving fatigue are of great significance to traffic safety. In this study, we tried to apply the modified multi-scale entropy (MMSE) approach, based on variational mode decomposition (VMD), to driving fatigue detection. Firstly, the VMD was used to decompose EEG into multiple intrinsic mode functions (IMFs), then the best IMFs and scale factors were selected using the least square method (LSM). Finally, the MMSE features were extracted. Compared with the traditional sample entropy (SampEn), the VMD-MMSE method can identify the characteristics of driving fatigue more effectively. The VMD-MMSE characteristics combined with a subjective questionnaire (SQ) were used to analyze the change trends of driving fatigue under two driving modes: normal driving mode and interesting auditory stimulation mode. The results show that the interesting auditory stimulation method adopted in this paper can effectively relieve driving fatigue. In addition, the interesting auditory stimulation method, which simply involves playing interesting auditory information on the vehicle-mounted player, can effectively relieve driving fatigue. Compared with traditional driving fatigue-relieving methods, such as sleeping and drinking coffee, this interesting auditory stimulation method can relieve fatigue in real-time when the driver is driving normally.