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Table 1 Parameter setting of each IoT technology

From: Systems analysis for deployment of internet of things (IoT) in the maritime industry

ID Parameter to be changed Base Level 1 Level 2 Level 3
1 Main engine failure rate [case/h] 0.86 × 10–3 0.60 × 10–3 0.40 × 10–3 0.20 × 10–3
2 Navigation equipment failure rate [case/h] 1.14 × 10–3 0.90 × 10–3 0.50 × 10–3 0.30 × 10–3
3 Auxiliary machinery failure rate [case/h] 3.21 × 10–3 2.50 × 10–3 1.50 × 10–3 1.00 × 10–3
4 Main engine recovery time [h/case] 2.37 1.80 1.20 0.80
# of crews [man] 20 18 16 15
5 Auxiliary machinery recovery time [h/case] 2.15 1.60 1.00 0.70
# of crews [man] 20 18 16 15
6 Damage distribution Beta (BF,4) Beta (BF,6) Beta (BF,8) Beta (BF,10)
7 Weight ratio of ship 1.00 0.95 0.90 0.85
8 Weather condition Beta (2,2) Beta (2,3) Beta (2,5) Beta (2,7)
9 Cargo handling Cost [$/port] 50,000 48,000 45,000 40,000
Delay rate [case/port] 0.10 0.08 0.06 0.04
Delay time [h] Beta (2,2) Beta (2,3) Beta (2,5) Beta (2,7)
10 Port work cost [$/port] 50,000 45,000 40,000 37,000
Delay rate [case/port] 0.10 0.08 0.06 0.04
Delay time [h] Beta (2,2) Beta (2,3) Beta (2,5) Beta (2,7)
11 Construction cost [$] 200 × 106 199 × 106 195 × 106 190 × 106