Keyword: linear-dynamics
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MOPAB102 Fast Orbit Response Matrix Measurements at ALBA storage-ring, optics, non-linear-dynamics, data-acquisition 365
 
  • Z. Martí, G. Benedetti, M. Carlà, J. Fraxanet, U. Iriso, J. Moldes, A. Olmos, R. Petrocelli
    ALBA-CELLS Synchrotron, Cerdanyola del Vallès, Spain
  
  At ALBA the stan­dard orbit re­sponse ma­trix mea­sure­ment with DC cor­rec­tor mag­net (CM) mod­u­la­tion is being up­graded with an AC ex­ci­ta­tion of the cor­rec­tors com­bined with the syn­chro­nized beam po­si­tion mon­i­tor (BPM) ac­qui­si­tion data rate at 10 kHz. Sev­eral types of ex­ci­ta­tion wave­forms (si­nu­soidal vs square types) and fre­quen­cies have been tested and com­pared to op­ti­mize the mea­sure­ment pre­ci­sion and re­peata­bil­ity. The data ac­qui­si­tion time of the ALBA re­sponse ma­trix (88 hor­i­zon­tal and 88 ver­ti­cal cor­rec­tors) with the new AC method takes 1 minute to com­plete in­stead of 7 min­utes of the stan­dard tech­nique.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-MOPAB102  
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