The European X-ray Free Electron Laser will allow scientists to perform experiments with an atomic scale resolution. To perform time resolved experiments at the end of the facilityit is essential to provide a highly stable clock signal to all subsystems. The accuracy of this signal is extremely important since it defines limitations of precise measurement devices. A laser based synchronization system is used for thesynchronization with an error in a sub-femtosecond range.These light pulses are carried by an optical fiber and exposed to external disturbances which changes the optical length of the fiber. For that reason the fiber is actively stabilized using a controller implemented on the new MicroTCA Platform.Due to the high computation resources of this platform it is possible to attack the time delay behavior of the link system with well known model based control approaches. This contribution shows how to design a model based controller for such a system and compares the control performance ofthe previously used PID controller with advanced control algorithms at the currently installed laboratory setup.


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    Titel :

    Comparison of feedback controller for link stabilizing units of the laser based synchronization system used at the European XFEL


    Beteiligte:
    Heuer, Michael (Autor:in) / Lichtenberg, G. (Autor:in) / Pfeiffer, Sven (Autor:in) / Schlarb, Holger (Autor:in)

    Erscheinungsdatum :

    2014-01-01


    Anmerkungen:

    3rd International Beam Instrumentation Conference, IBIC 2014, Monterey, California, USA, 2014-09-14 - 2014-09-18


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    DDC:    629



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