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Temperature and Humidity Data Evaluation of Tight Sportswear during Motion Based on Intelligent Modeling

INFORMAZIONI SU QUESTO ARTICOLO

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Fig. 1

Measurement points on human body
Measurement points on human body

Fig. 2

Experimental site and data acquisition
Experimental site and data acquisition

Fig. 3

Flow chart of LSTM model
Flow chart of LSTM model

Fig. 4.

LSTM model prediction results
LSTM model prediction results

Correlation between humidity in different parts

Abdomen humidity, % Back humidity, % Chest humidity, % Waist humidity, %
Spearman Rho Abdomen humidity, % Correlation coefficient 1.000 0.815** 0.822** 0.962**
Significance (two-tailed) · 0.000 0.000 0.000
Back humidity, % Correlation coefficient 0.815** 1.000 0.988** 0.813**
Significance (two-tailed) 0.000 · 0.000 0.000
Chest humidity, % Correlation coefficient 0.822** 0.988** 1.000 0.819**
Significance (two-tailed) 0.000 0.000 · 0.000
Waist humidity, % Correlation coefficient 0.962** 0.813** 0.819** 1.000
Significance (two-tailed) 0.000 0.000 0.000 ·

Fabric parameters of tight sportswear

Tights Fabric composition Fabric structure Weight/ gom-2 Thickness/ mm Thread density/ longitudinal fabric density/coil number- (5cm)-1 Thread density/ horizontal fabric density/coil numbero(5cm)-1
T1 7O%Polyester, 26%Nylon, 4%Spandex Jersey stitch 23O.8 0.66 178.0 93.5
T2 86%Polyester, 14%Spandex Warp plain stitch 200.6 0.91 100.0 185.0
T3 75%Polyester, 25%Nylon Warp plain stitch 181.1 0.60 99.0 103.5
T4 91%Polyester, 9%Spandex Jersey stitch 153.3 0.94 136.5 88.5
T5 72%Polyester, 28%Spandex 1×1 rib stitch 159.1 0.71 83.0 148.0
T6 65% Polyamide, 35% Elastane Jersey stitch 245.5 0.48 90.5 175.0
T7 81% Polyester, 19% Elastane 1×1 rib stitch 264.7 0.87 121.5 138.0

Correlation between temperature in different parts

Abdomen Temperature, °C Back temperature, °C Chest temperature, °C Waist temperature, °C
Spearman Rho Abdomen temperature, °C Correlation coefficient 1.000 0.838** 0.093 0.502**
Significance (two-tailed) · 0.000 0.354 0.000
Back temperature, °C Correlation coefficient 0.838** 1.000 0.084 0.339**
Significance (two-tailed) 0.000 · 0.401 0.001
Chest temperature, °C Correlation coefficient 0.093 0.084 1.000 0.350**
Significance (two-tailed) 0.354 0.401 · 0.000
Correlation coefficient 0.101 0.101 0.101 0.101
Waist temperature, °C Significance (two-tailed) 0.502** 0.339** 0.350** 1.000
Correlation coefficient 0.000 0.001 0.000

Comparison of error values of prediction results of three neural network models

Comfort sense Prediction model MAE MAPE RMSE
A-humd BP neural network 7.2682 0.3364 8.2078
RNN 5.6314 0.1876 7.1911
LSTM 4.9695 0.0814 5.6164
A-temp BP neural network 6.3590 0.2838 7.5956
RNN 5.1719 0.1123 6.0645
LSTM 0.7881 0.0266 0.8719
B-humd BP neural network 6.9588 0.3138 7.9893
RNN 6.8672 0.3072 7.9201
LSTM 2.6220 0.0353 3.8243
B-temp BP neural network 3.2595 0.0517 4.4136
RNN 1.9904 0.0301 0.7382
LSTM 0.5424 0.0170 0.6483
C-humd BP neural network 7.2777 0.3414 8.2873
RNN 5.6293 0.1793 6.8152
LSTM 3.3424 0.0520 4.5567
C-temp BP neural network 4.0872 0.0713 5.2473
RNN 2.7166 0.0369 3.9719
LSTM 0.6356 0.0205 0.7686