| PID control | Proportional–Integral–Derivative Controller |
| RMSE | Root Mean Square Error |
| GPIB | General Purpose Interface Bus |
| TF | Transfer Function |
| HFS | Heat-Flux Sensor |
| IRT | Infrared Thermography |
| NIRS | Near-Infrared Spectroscopy |
| EPS | Expanded Polystyrene |
| bpm | Beats Per Minute (Heart Rate) |
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