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Table 4 Comparative results on the timing of the warnings given by the CAS per system/phase

From: Intelligent personalized ADAS warnings

Driver Nο.

Personal RT

T_headwaylimit

Timing of warning – CAS of 3rd phase (RT = 1)

Timing of warning – CAS of 4th phase (RT = personal RT)

Timing of warning – CAS of 5th phase (T_headwaylimit = 1)

Timing of warning – CAS of 6th phase (personal T_headwaylimit)

7

0.79

0.25➔0.7

2

3

1

2

2

0.73

0.61➔0.7

1

3

1

3

1

0.94

0.67➔0.7

2

2

2

2

5

0.82

0.74

1

3

2

3

8

1.08

0.75

3

3

3

3

6

0.74

0.83

2

4

3

3

3

1.07

0.88

3

3

2

2

10

1.09

0.95

2

2

2

2

9

0.99

1.05

2

2

2

3

4

0.88

1.40

2

3

1

3

Mean value

2

2.8

1.9

2.6

Standard deviation

0. 7

0.6

0.75

0.5

  1. Ranking scale is from 1: much earlier, to 5: much later