A digital control of superconducting cavities for a linear accelerator is presented. The LLRF - Low Level Radio Frequency system for FLASH project in DESY is introduced. FPGA based controller supported by MATLAB system was developed to investigate the novel firmware implementation. Algebraic model in complex domain is proposed for the system analyzing. Calibration procedure of a signal path is considered for a multi-channel control. Identification of the system parameters is carried out by the least squares method application. Control tables: Feed-Forward and Set-Point are determined for the required cavity performance, according to the recognized process. Feedback loop is tuned by fitting a complex gain of a corrector unit. Adaptive control algorithm is applied for feed-forward and feedback modes. Experimental results are presented for a cavity representative operation.


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    Titel :

    Control System Modelling for Superconducting Accelerator.


    Beteiligte:

    Erscheinungsdatum :

    2006-01-01


    Anmerkungen:

    Hamburg : DESY, 725685 8 pp. (2006). doi:10.1117/12.714535 ; : [Proceedings] - , 2006. - ISBN - doi:10.1117/12.714535 ; : [Proceedings] - , 2006. - ISBN - doi:10.1117/12.714535 Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2006, Wilga, Poland, 2006-05-29 - 2006-06-04


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Klassifikation :

    DDC:    600 / 629



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