Table 2 Quantified mass measurement precision and accuracy for the proposed system across 8 trials for 8 blades, where the obtained mass measurement aggregate precision \(\sigma _{m}\) and accuracy \(\eta _{m}\) of the proposed system is 0.0404 g and 0.0252 g, respectively.

From: Vision-guided robotic system for aero-engine inspection and dynamic balancing

Trial ID

Blade ID

1

2

3

4

5

6

7

8

1

16.60

17.09

17.05

16.71

17.39

16.46

17.10

16.53

2

16.61

17.08

17.10

16.71

17.41

16.49

17.24

16.43

3

16.57

17.08

17.07

16.61

17.43

16.49

17.12

16.49

4

16.68

17.05

17.09

16.70

17.41

16.48

17.15

16.54

5

16.64

16.96

17.08

16.68

17.42

16.51

17.20

16.54

6

16.66

17.02

17.07

16.69

17.39

16.54

17.21

16.50

7

16.64

17.05

17.08

16.64

17.42

16.55

17.15

16.53

8

16.63

17.15

17.10

16.70

17.34

16.49

17.28

16.45

\(\sigma\) (g)

0.035

0.054

0.016

0.036

0.030

0.030

0.061

0.042

Ground truth (g)

16.63

17.06

17.08

16.68

17.40

16.50

17.18

16.50

\(\eta\) (g)

0.040

0.015

0.0128

0.050

0.043

0.003

0.036

0.002

       

\({\sigma _{m}}\) (g)

0.0404

       

\({\eta _{m}}\) (g)

0.0252

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