Skip to main content

Table 4 Percentage of cell-blocked time due to lack of transportation for the feasible scenarios

From: Case study: evaluation of the automation of material handling with mobile robots

Cells blocked time %

Scenarios

Total AMRs needed

AVE

99% CI LB

99% CI UB

Scenario 3 Conv

3 AMRs

0.03%

0.00%

0.07%

Scenario 4 Conv

4 AMRs

0.03%

0.00%

0.05%

Scenario 2 Tand

3 AMRs

SD1

DFs

SD1

DFs

SD1

DFs

0.00%

1.7%

0.00%

1.70%

0.00%

1.82%

Scenario 1 SL3

3 AMRs

SD1

DF4 + Srt

DF5 + DF6

SD1

DF4 + Srt

DF4 + Srt

SD1

DF4 + Srt

DF5 + DF6

0.00%

0.31%

0.02%

0.00%

0.00%

0.00%

0.00%

0.66%

0.05%

  1. The minimum number of AMR required is three