Systems and Means of Informatics
2020, Volume 30, Issue 2, pp 89-102
THE PROBLEM OF SETTING AVAILABILITY TARGETS FOR ITER DIAGNOSTICS: PROBLEM STATEMENT AND SOLUTION ALGORITHM
Abstract
The problem of setting availability targets for diagnostic systems (diagnostics) in the ITER project is studied. Such systems must provide the required level of availability, with which numerous parameters of ITER are measured. There are a number of difficulties on the way of problem statement and its solution. These are, in particular, the uniqueness of the object, the diversity and plurality of parameters and diagnostics, the complex interrelation between them, and the absence of analogues in the literature on reliability. The article describes a mathematical model of measurement reliability which takes into account both strict limitations and vaguely expressed wishes of developers.
An effective algorithm for calculating diagnostic availability targets is developed.
The illustration example of calculation was prepared with the help of a specially created software which uses along with the developed algorithm the possibility of volitional decision-making.
[+] References (5)
- International Thermonuclear Experimental Reactor. Available at: http://www.iter.org/ proj/iterhistory (accessed April 6, 2020).
- Holtkamp, J. 2007. An overview of the ITER project. Fusion Eng. Des. 82:427-434. doi: 10.1016/j. fusengdes.2007.03.029.
- Van Houtte, D., K. Okayama, and F. Sagot. 2010. RAMI approach for ITER. Fusion Eng. Des. 85:1220-1224. doi: 10.1016/j.fusengdes.2010.03.007.
- Konovalov, G. M. 2016. Metodika rascheta nadezhnosti mezhdunarodnogo termoyadernogo eksperimental'nogo reaktora i optimizatsiya deystviy po snizheniyu riskov [Methodology of reliability calculation of international thermonuclear experimental reactor and optimization of risk mitigation actions]. Systemy i Sredstva Informatiki - Systems and Means of Informatics 26(1): 166-181. doi: 10.14357/08696527160111.
- Beichelt, F., andP. Franken. 1983. Zuverlassigkeit und Instandhaltung. Mathematische Methoden. Berlin: VEB Verlag Technik. 315 p.
[+] About this article
Title
THE PROBLEM OF SETTING AVAILABILITY TARGETS FOR ITER DIAGNOSTICS: PROBLEM STATEMENT AND SOLUTION ALGORITHM
Journal
Systems and Means of Informatics
Volume 30, Issue 2, pp 89-102
Cover Date
2020-06-30
DOI
10.14357/08696527200209
Print ISSN
0869-6527
Publisher
Institute of Informatics Problems, Russian Academy of Sciences
Additional Links
Key words
ITER; mathematical models of reliability; large system reliability analysis; availability
Authors
G. M. Konovalov
Author Affiliations
Institution "Project Center ITER" of the Russian Federation National Nuclear Corporation "ROSATOM," 1-3 Kurchatova Sq., Moscow 123182, Russian Federation
|