TABLE I.
Cognitive compliance
| Types | Indirect mode | Specific mode |
|---|---|---|
| subjective measure | Subjective assessment scale | NASA-TLX, WP scales, etc |
| Task performance | Dual task measurement | |
| objective measurement | Physiological measurement data | Electrocardiogram, oculomotor, electroencephalogram, etc |
TABLE II.
Time domain indicators
| Name | unit | illustrate | Formula |
|---|---|---|---|
| MEAN | ms | Mean RR interval | |
| SDNN | ms | Normal RR interval standard deviation | |
rMSD D | ms | Root mean square of RR interval difference between neighbors | |
| pNN50 | % | proportion of RR interval difference greater than 50ms |
Figure 1.
Power Spectrum
TABLE III.
Meaning of each frequency
| Name | Abbreviation | Meaning | Frequency range |
|---|---|---|---|
| Very low frequency | VLF | - | <0.04 Hz |
| low frequency | LF | Reflecting sympatheti c nervous activity | 0.04 ~ 0.15 Hz |
| High frequency | HF | Reflecting parasympat hetic nerve activity | 0.15 ~ 0.4 Hz |
Figure 2.
Meaning of Each Frequency
Figure 3.
Schematic diagram of DDPG
Figure 4.
Critic Network Structure
Figure 5.
Actuator Network Structure
TABLE IV.
Technical parameters of signal acquisition equipment
| Name | Value range |
|---|---|
| resolution ratio ECG | ≥ 16Bit |
| measurement range | -1500 μV ~ 1500 μV |
| Adjustable magnification | 1,2,3,4,5,6,7 |
| accuracy | 0.183 μV, 0.0915 μV, 0.061 μV , 0.046 μV, 0.037μV , 0.026 μV |
| Number of wireless sensor channels | ≥1 |
| Wireless transmission frequency | 2.4GHz |
| Distance | 10m ~ 100m |
| Battery operating time | ≥ 4h |
Figure 6.
Experimental setup map runway
Figure 7.
Original electrocardiogram signal map
Figure 8.
Electrocardiogram image after denoising
Figure 9.
ECG image after R-wave extraction
Figure 10.
Cognitive load value
Figure 11.
Reward Value Turn Curve
Figure 12.
Time Step Turn Curve
Figure 13.
Return Value Change Curve Figure
Figure 14.
Exploring Variables and Entropy Change Curve
Figure 15.
Speed time curve
Figure 16.
Angular velocity time curve
Figure 17.
Final position mean square deviation and standard deviation Figure
Figure 18.
Final pitch angle mean square deviation and standard deviation