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Research on Pilots ’ Mental Workload Classification in Simulated Flight Cover

Research on Pilots ’ Mental Workload Classification in Simulated Flight

By: Jinna Xue and  Changyuan Wang  
Open Access
|May 2023

Figures & Tables

Figure 1.

Simulated flight environment experimental platform
Simulated flight environment experimental platform

Figure 2.

ErgoLAB EEG device
ErgoLAB EEG device

Figure 3.

Flow chart of data processing
Flow chart of data processing

Figure 4.

Comparison of EEG waveforms before and after data processing
Comparison of EEG waveforms before and after data processing

Figure 5.

Network model diagram
Network model diagram

Figure 6.

LSTM structure diagram
LSTM structure diagram

Figure 7.

NASA-TLX evaluation results
NASA-TLX evaluation results

Figure 8.

Training and test set accuracy
Training and test set accuracy

Figure 9.

Loss rate for training and test sets
Loss rate for training and test sets

INFORMATION ON THE DIALS TO BE MONITORED FOR DIFFERENT DIFFICULTY TASKS

High loadsLow loadsControl group
Indicated airspeed meterIndicated airspeed meter
Pitching scale informationPitching scale information
Altimeter informationAltimeter information
Directional angle information
Rolling corners information
Status of the steering compartment
Landing gear conditions
Engine status

MODEL TRAINING PARAMETERS

Name of the layerHyperparametersInput vectorOutput vector
EEG_InputNone(256,1)(256,1)
Conv1DKernel size=5
stride = 2(256,1)(128,64)
Conv2DKernel size=3
stride = 2(128,64)(64,128)
ReshapeNone(64,128)(8192,1)
Max Poolingpool size=128(8192,1)(64,1)
LSTMunits=32(64,1)(32,1)
Denseunits=64(32,1)(64,1)
Denseunits=32(64,1)(32,1)

TABLE OF FREQUENCY BANDS OF EEG SIGNALS

Frequency band range(Hz)Band names
1-4delta (δ)
4-8theta (θ)
8-13alpha (α)
13-30beta (β)
>30gamma (γ)
Language: English
Page range: 75 - 82
Published on: May 31, 2023
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2023 Jinna Xue, Changyuan Wang, published by Xi’an Technological University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.