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Safety performance monitoring of autonomous marine systems

Thieme, Christoph; Utne, Ingrid Bouwer
Journal article, Peer reviewed
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Risk indicators (942.4Kb)
URI
http://hdl.handle.net/11250/2430355
Date
2017-03
Metadata
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  • Institutt for marin teknikk [3632]
  • Publikasjoner fra CRIStin - NTNU [41872]
Original version
Reliability Engineering & System Safety. 2017, 159 264-275.   http://dx.doi.org/10.1016/j.ress.2016.11.024
Abstract
The marine environment is vast, harsh, and challenging. Unanticipated faults and events might lead to loss of vessels, transported goods, collected scientific data, and business reputation. Hence, systems have to be in place that monitor the safety performance of operation and indicate if it drifts into an intolerable safety level. This article proposes a process for developing safety indicators for the operation of autonomous marine systems (AMS). The condition of safety barriers and resilience engineering form the basis for the development of safety indicators, synthesizing and further adjusting the dual assurance and the resilience based early warning indicator (REWI) approaches. The article locates the process for developing safety indicators in the system life cycle emphasizing a timely implementation of the safety indicators. The resulting safety indicators reflect safety in AMS operation and can assist in planning of operations, in daily operational decision-making, and identification of improvements. Operation of an autonomous underwater vehicle (AUV) exemplifies the process for developing safety indicators and their implementation. The case study shows that the proposed process leads to a comprehensive set of safety indicators. It is expected that application of the resulting safety indicators consequently will contribute to safer operation of current and future AMS.
Publisher
Elsevier
Journal
Reliability Engineering & System Safety

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