Predictive Maintenance with the Twin

By tracking cumulative damage and drift, the twin forecasts when components will need service — before they fail.

In brief

• Tracks first-wall dpa, magnet strain, and cyclic fatigue over time.
• Flags divergence between expected and observed behavior.
• Schedules maintenance around availability, not surprises.
• Especially valuable for the breeder's neutron-loaded components.

The detail

Every operating hour accumulates wear the twin can integrate — neutron damage to the first wall, thermal and mechanical cycling of the magnets, erosion of plasma-facing surfaces. By comparing predicted and measured behavior, the twin distinguishes normal aging from an emerging fault and turns unplanned outages into scheduled service, protecting the availability that firm power depends on.