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  • Developments in remote metrology at JET
    Mindham, T.J. ...
    The need to maximise the operational availability of fusion devices hasInterfacing Commercial Off-The-Shelf (COTS) components with the existing RHequipment has highlighted several issues of relevance ... to the developing ITERRH system. This paper reports results from the stereophotogrammetry and the single-camera photogrammetry surveys, allowing analysis of the effectiveness of the RH system as a platform for in-vessel measurement. This includes scrutiny of the accuracy achieved with each technique as well as the impact on the in-vessel Configuration Management Model (CMM). The paper concludes with a summary of key recommendations for the ITER RH system based on the experience of remote metrology at JET. driventhe enhancements in accuracy, flexibility and speed associated with the inspection techniques used at JET. To this end, the remote installation of theITER-Like Wall (ILW) tiles, conduits and embedded diagnostics has necessitated the adoption of technologies from other industries for their use in conjunction with the JET Remote Handling (RH) system. The novel adaptation of targetless stereophotogrammetry, targeted single-camera photogrammetry and gap measurement techniques for remote applications has prompted a range of challenges and lessons learnt both from the design process and operational experience.
    Source: Proceedings of the 26th SOFT 2010, 26th Symposium on Fusion Technology, September 27 - October 1, 2010, Porto, Portugal (Iss. 9-11, Vol. 86, 2011, str. 1855-1858)
    Type of material - conference contribution
    Publish date - 2011
    Language - english
    COBISS.SI-ID - 25789735

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