Pressure and fatigue information monitoring method for intelligent safety helmet
A safety helmet and fatigue detection technology, applied in the field of biomedical signal processing, can solve problems such as easy exhaustion, inability to comprehensively reflect negative mental states, safety accidents, etc.
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[0086] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0087] Such as figure 1 As shown, a method for monitoring pressure and fatigue information of an intelligent safety helmet comprises the following steps: comprising the following steps:
[0088] Step S10: collecting EEG signals from workers through the smart helmet;
[0089] Step S20: Preprocessing the collected signal, first removing baseline drift and power frequency interference, and then using wavelet threshold method to remove noise;
[0090] Step S30: Perform feature extraction on the preprocessed signal in the time domain, frequency domain and nonlinear domain; wherein the time domain features are the mean value, root mean square, zero-crossing points and Hjo...
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