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Abstract

The Conclusion reached by this study is that the use of general purpose dexterous manipulators, with computer aided positioning, and a precise crane (the latter being needed as well during first installation) is cost effective since, besides coping with unpredictable situations, commercial components can be adopted in the machine and additional special purpose equipment can be minimized. The crane is directly used for example to position the octant and lift the poloidal coils. This is particularly true in experimental devices like JET. However, even in power fusion reactors, where availability will impose using more numerous special purpose equipment for well defined tasks to be accomplished in a short time, general purpose devices turn out to be vital as a back up in case of failure of the special purpose equipment, which should be of simple design and easily accessible. The alternative approach of duplicating actuators is extremely expensive and not always effective. The experience gained and perfected at JET will be a basic step in defining the correct trade off between machine design, special purpose and general purpose equipment in the case of fusion reactors.

Additional information

Authors: RAIMONDI T CULHAM LABORATORY, ABINGDON, OXON OX14 3DB (UK), CULHAM LABORATORY, ABINGDON, OXON OX14 3DB (UK)
Bibliographic Reference: SYMPOSIUM ON REMOTE OPERATIONS IN FUSION, MILANO (ITALY), JUNE 25-26, 1982 - WRITE TO CEC LUXEMBOURG, DG XIII/A2, POB 1907 MENTIONING PAPER E 31135 ORA
Availability: Can be ordered online
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