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The course is a continuation of reliability, availability, maintenance, and safety (RAMS) methods with special emphasis methods applicable for assessment of critical systems. Topics to be covered for safety-critical systems are: How to define requirements for safety systems and barriers, and how to assess the reliability of safety instrumented systems with background in within key frameworks like IEC 61508 and related standards. This includes SIL allocation, alternative models for reliability modeling beyond what was covered in TPK 4120, including alternative strategies for treatment of common cause failures, alternative test strategies, and trade off between safety and regularity. Topics to be covered for critical systems in general are models for optimizing maintenance and intervention, including age, block, and minimal repair policies. Simple models for spare part inventory assessment and some degradation models for condition-based maintenance are also included, a standard that is frequently used for safety-critical systems. The course may be regarded as an extension of TPK 4120, but is perhaps more of a mixture of qualitative and quantitative topics.
Course material
The course is using the following book: https://www.ntnu.edu/ross/books/sis, with the support of some standards, reports, and articles as appropriate.
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