Ti

Td

Ts

Tt

Te

Total picking time (T/s)

Total picking time (T/min)

Order A

10.00

253.06

51.00

255.00

20.00

589.06

9.82

Order B

10.00

337.29

123.00

615.00

20.00

1105.29

18.42

Order C

10.00

545.38

345.00

1725.00

20.00

2645.38

44.09