Table 3 Percentage of idle time of the AMRs for the feasible scenarios
From: Case study: evaluation of the automation of material handling with mobile robots
AMR Idle time % | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Scenarios | Total AMRs needed | AVE | 99% CI LB | 99% CI UB | ||||||
Scenario 3 Conv | 3 AMRs | 48.69% | 48.05% | 49.33% | ||||||
Scenario 4 Conv | 4 AMRs | 60.95% | 60.49% | 61.41% | ||||||
Scenario 2 Tand | 3 AMRs | SD1 | DFs | SD1 | DFs | SD1 | DFs | |||
61.34% | 49.55% | 60.73% | 48.86% | 61.95% | 50.24% | |||||
Scenario 1 SL3 | 3 AMRs | SD1 | DF4 + Srt | DF5 + DF6 | SD1 | DF4 + Srt | DF5 + DF6 | SD1 | DF4 + Srt | DF5 + DF6 |
60.87% | 38.60% | 69.89% | 60.28% | 37.61% | 68.99% | 61.46% | 39.59% | 70.78% | ||