A standard for the self-description of fusion plasma diagnostics will be presented, based on the Extensible Markup Language (XML).
The motivation is to maintain and organise the information on all the components of a laboratory experiment, from the hardware to the
access security, to save time and money when problems arises.
Since there is no existing standard to organise this kind of information, every Association stores and organises each experiment in
different ways. This can lead to severe problems when the organisation schema is poorly documented or written in national languages.
The exchange of scientists, researchers and engineers between laboratories is a common practice nowadays. Sometimes they have to
install new diagnostics or to update existing ones and frequently they lose a great deal of time trying to understand the currently
installed system. The most common problems are: no documentation available; the person who understands it has left; documentation
written in the national language.
Standardisation is the key to solving all the problems mentioned. From the commercial information on the diagnostic (component
supplier; component price) to the hardware description (component specifications; drawings) to the operation of the equipment (finite
state machines) through change control (who changed what and when) and internationalisation (information at least in the native
language and in English), a common XML schema will be proposed.
This paper will also discuss an extension of these ideas to the self-description of ITER plant systems, since the problems will be
identical.
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