Table 3 Normalization of performance index.

From: Implementation of real-time optimization control to reduce environmental impact in laser diode assisted sustainable leather cutting

Sl.No

Duty cycle

Normalized carbonization

Normalized kerfwidth

Normalized MRR

Performance index

Normalized performance index (NPI)

1

50

0.818181818

0.9296875

0.913402062

1.165532744

0.9852

2

65

0.819749216

0.9375

0.927835052

1.170585835

0.9895

3

70

0.830721003

0.9453125

0.953608247

1.177574744

0.9954

4

75

0.835423197

0.9609375

0.979381443

1.183020746

1.0000

5

80

0.854231975

0.96875

0.984536082

1.161554108

0.9819

6

85

0.877742947

0.9765625

0.989690722

1.135385275

0.9598

7

90

0.905956113

0.984375

0.993814433

1.10348332

0.9328

8

95

0.952978056

0.9921875

0.997938144

1.052772588

0.8899

9

100

1

1

1

1

0.8453

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