Genetic Algorithm for Inspection and Maintenance Planning of Deteriorating Structural Systems: Application to Pressure Vessels
Abstract
:1. Introduction
- Using a constraint (e.g., a reliability or risk constraint) to reduce the set of inspection times [7];
2. Developing the Objective Function
2.1. Generic Objective Function
2.2. Objective Function for the RBM of a Corroding Pressure Vessel
3. Optimization with a Genetic Algorithm
4. Numerical Example of a Corroding Pressure Vessel
4.1. Small Solution Space Example
4.2. Large Solution Space Example
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
Abbreviations
CDF | cumulative distribution function |
RBI | risk-based inspection |
RBM | risk-based maintenance |
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Variable | Symbol | Value |
---|---|---|
Failure to repair cost ratio | 500 | |
Discount rate | r | 0.04 |
Repair factor | 0.5 |
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Haladuick, S.; Dann, M.R. Genetic Algorithm for Inspection and Maintenance Planning of Deteriorating Structural Systems: Application to Pressure Vessels. Infrastructures 2018, 3, 32. https://0-doi-org.brum.beds.ac.uk/10.3390/infrastructures3030032
Haladuick S, Dann MR. Genetic Algorithm for Inspection and Maintenance Planning of Deteriorating Structural Systems: Application to Pressure Vessels. Infrastructures. 2018; 3(3):32. https://0-doi-org.brum.beds.ac.uk/10.3390/infrastructures3030032
Chicago/Turabian StyleHaladuick, Shane, and Markus R. Dann. 2018. "Genetic Algorithm for Inspection and Maintenance Planning of Deteriorating Structural Systems: Application to Pressure Vessels" Infrastructures 3, no. 3: 32. https://0-doi-org.brum.beds.ac.uk/10.3390/infrastructures3030032