Abstract
This study was done with the aim of modeling effective maintenance strategy using reliability centered maintenance integrated with multi-decision analytic hierarchy process (AHP). The need for developing the new model is to ease the implementation of RCM on complex system such as process plant which also helps to deal with the equipment based on their risk levels. The primary data obtained (through questionnaire and professional discussions with personnel at the case study) was analyzed partly in the MS Excel and MATLAB computational environment in line with the modeled equations of reliability and availability and obtained the current reliability and applicability condition of a selected rotodynamic system (pump) of a particular petrochemical firm in Rivers State. AHP algorithm was then applied to obtain the most effective maintenance to be adopted for each component of the pump. The selection criteria used are equipment criticality (EC), mean time to failure (MTTF), mean time to repair (MTTR) and applicability. The analysis shows that the highest-ranking criterion is applicability of maintenance alternative on each component which ranked at 55.79%, followed by the MTTF and EC at respective rankings of 26.33% and 12.19% while the least was MTTR with ranking percentage of 5.69%.
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- A 0 :
-
Operational availability
- A A :
-
Achieved availability
- A t :
-
Inherent availability
- AHP:
-
Analytical hierarchy process
- EC:
-
Equipment criticality
- MATLAB:
-
Matrix Laboratory
- MDT:
-
Mean down Time (year)
- MS Excel:
-
Microsoft Excel
- MTBMA:
-
Mean time between maintenance action (year)
- MTTF:
-
Mean time to failure (year)
- MTTR:
-
Mean time to repair (year)
- n :
-
Subsystem number
- R:
-
Reliability (s)
- λ :
-
Failure rate (s−1)
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The researchers wish to acknowledge all authors and other contributors whose educational materials were utilized in the course of this work.
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Elijah, P.T., Obaseki, M. (2022). Modeling Effective Maintenance Strategy for Rotodynamic System Using RCM and AHP. In: Geetha, K., Gonzalez-Longatt, F.M., Wee, HM. (eds) Recent Trends in Materials. Springer Proceedings in Materials, vol 18. Springer, Singapore. https://doi.org/10.1007/978-981-19-5395-8_36
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