The JET fusion experiment tokamak at Culham, Oxfordshire.
BCS Oxfordshire branch talk January 24th 2008 by Sverker Griph
Background and History
- Fusion for energy - a short introduction.
- A short introduction to the JET project and the JET plant.
- Mission critical IT - control, monitoring, data acquisition, data processing, engineering, management and remote collaboration.
Special IT Challenges at JET
- Project longevity - 30 years +
- High complexity
- High rate of change
- High availability
- Very high power and stored energy - risk for substantial damage
- High voltage isolation of fast analog signals
- Micro second synchronisation of thousands of modules in a large plant
- Real time IT:
- fast feed back loops with complex calculations
- typically 2 ms iteration time
- Large and growing experimental data volumes - all on-line
- 4 experiments per hour in 2 shift operation
- Every experiment typically need more than 20000 parameters to be configured
- Preliminary number crunching of results between experiments
- Remote collaborations across Europe and beyond - remote leadership of experiments
These challenges are for example addressed by
- selective adoption of and longterm ownership of IT standards,
- extensive use of data driven design,
- a pervasive use of IT engineering databases and
- an in-house high performance software component architecture.
The talk will also briefly cover how IT at JET is likely to influence IT at ITER, the next global fusion research project.
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