Supporting Maintenance Scheduling: a case Study



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1-s2.0-S2351978917305504-main
11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
GP01
t
1
VT17
ASY10
FCT50
BUR50 Fig. 2 - Gantt chart with first scheduled task.
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Hours
11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
GP01
t
1
VT17
t
2
ASY10
FCT50
BUR50 Fig. 3 - Gantt chart with second scheduled task.


2129
Patrícia Senra et al. / Procedia Manufacturing 11 ( 2017 ) 2123 – 2130
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11 12 13 14 15 16 17 18 19 20 21 22 23 24
1 2 3 4 5 6
7 8 9 10 11
12
13 14 15 16 17
GP01
t
1
t
3
VT17
t
2
t
4
t
5
ASY10
t
6
FCT50
t
7
t
8
BUR50 t
9
t
10
t
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t
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Fig. 4 - Gantt chart for the equipment. In this example, there are few maintenance tasks to be allocated, hence the available period of equipment are not totally filled and there were not conflict situation during the allocation process. The PMS aimed to perform the maintenance task allocation on the beginning of the equipment’s availability period, which allows a margin to possible delays without compromising the task accomplishment in time. It is important to respect the due dates of each maintenance task to ensure the production quality and the proper performance of each equipment. The diagram in the Fig. 5 is the result of the allocation process that considers the availability of all resources equipment, spare parts and technicians.
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Hours

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