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CBPM: Feedback controller design, Ground motion based feed-forward

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6/2-004 (CERN)

6/2-004

CERN

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Description

Update on the feedback controller design, ground motion based feed-forward
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Participants: G. Balik, B. Caron, B. Dalena, J. Esberg, L. Gatignon, A. Jeremie, E. Koukovini, A. Latina, E. Marin, J. Pfingstner, Y. Renier, D. Schulte, J. Snuverink, G. Sterbini, F. Stulle, A. Vivoli

D.S. reported on the latest CSC meeting.

G.B. presented the current status of the IP feedback controller and its implementation in PLACET simulations. Good performance is achieved for low frequency jitter, but high frequency jitter is not well corrected. It was discussed how to interpret the current simulations and which improvements could be extracted from them.

J.P. presented an approach to correct ground motion induced beam jitter via a feedforward using corrector dipoles. He showed dependencies of its performance on different parameters.
There are minutes attached to this event. Show them.
    • 16:00 → 16:45
      Update on the feedback controller design 45m
      Speaker: Gael Balik (LAPP)
      Slides
    • 16:45 → 17:15
      Ground motion based feed-forward 30m
      Speaker: Juergen Pfingstner (CERN)
    • 17:15 → 17:35
      A.O.B. 20m
      Slides