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This paper describes the derivation of a reliability and safety analysis methodology, and its application in a case study of a remote handling device for the blankets that constitute the fusion reactor torus. It shows that in particular operational phases, slight deviations from the desired trajectory could have catastrophic consequences. A fault tree analysis (FTA) was carried out, and probabilities calculated using the STARS software toolkit. Primary events of the fault trees were identified by a failure modes effects and criticality analysis (FMECA). Hazard analysis, FTA and FMECA emphasise the fact that the control system in a robot has a strong influence on safety and reliability.

Additional information

Authors: VOLTA G, JRC Ispra (IT);MAIER T, JRC Ispra (IT);WILIKENS M, JRC Ispra (IT)
Bibliographic Reference: Paper presented: Third International Symposium on Fusion Nuclear Technology, Los Angeles (US), June 27 - July 1, 1994
Availability: Available from (1) as Paper EN 38430 ORA
Record Number: 199410914 / Last updated on: 1994-11-28
Original language: en
Available languages: en