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A Method to Account for Personnel Risk Attitudes in System Design and Maintenance Activity Development

Department of Systems Engineering, Naval Postgraduate School, Monterey, CA 93943, USA
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Systems 2020, 8(3), 26; https://doi.org/10.3390/systems8030026
Received: 10 June 2020 / Revised: 28 July 2020 / Accepted: 31 July 2020 / Published: 4 August 2020
(This article belongs to the Section Systems Engineering)
Systems engineering practices in the maritime industry and the Navy consider operational availability as a system attribute determined by system components and a maintenance concept. A better understanding of the risk attitudes of system operators and maintainers may be useful in understanding potential impacts the system operators and maintainers have on operational availability. This article contributes to the literature a method that synthesizes the concepts of system reliability, and operator and maintainer risk attitudes to provide insight into the effect that risk attitudes of systems operators and maintainers have on system operational availability. The method consists of four steps providing the engineer with a risk-attitude-adjusted insight into the system’s potential operational availability. Systems engineers may use the method to iterate a system’s design or maintenance concept to improve expected operational availability. If it is deemed necessary to redesign a system, systems engineers will likely choose new system components and/or alter their configuration; however, redesign is not limited to physical alteration of the system. Several other options may be more practical depending the system’s stage in the life cycle to address low risk-adjusted operational availability such as changes to maintenance programs and system supportability rather than on component and system reliability. A simple representative example implementation is provided to demonstrate the method and discussion of the potential implications for Navy ship availability are discussed. Potential future work is also discussed. View Full-Text
Keywords: availability; decision-making; human factors engineering; human systems integration; maintenance; reliability; supportability; systems engineering availability; decision-making; human factors engineering; human systems integration; maintenance; reliability; supportability; systems engineering
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MDPI and ACS Style

Rathwell, B.W.; Van Bossuyt, D.L.; Pollman, A.; Sweeney, J., III. A Method to Account for Personnel Risk Attitudes in System Design and Maintenance Activity Development. Systems 2020, 8, 26. https://doi.org/10.3390/systems8030026

AMA Style

Rathwell BW, Van Bossuyt DL, Pollman A, Sweeney J III. A Method to Account for Personnel Risk Attitudes in System Design and Maintenance Activity Development. Systems. 2020; 8(3):26. https://doi.org/10.3390/systems8030026

Chicago/Turabian Style

Rathwell, Benjamin W., Douglas L. Van Bossuyt, Anthony Pollman, and Joseph Sweeney III. 2020. "A Method to Account for Personnel Risk Attitudes in System Design and Maintenance Activity Development" Systems 8, no. 3: 26. https://doi.org/10.3390/systems8030026

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