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Laird, R.

Paper Title Page
MOPE083 Comparative Measurements of Libera Brilliance and BSP100 1176
 
  • S. Xu, H. Bui, G. Decker, R. Laird, F. Lenkszus, H. Shang, C. Yao
    ANL, Argonne
  
 

The Advanced Photon Source (APS) is a third-generation synchrotron light source in the United States. The BPM electronics plays an important part in the beam stability control. This paper presents comparative measurements of two BPM electronics: Libera Brilliance and APS FPGA-based BSP100. Some important parameters such as beam current dependence, electronics resolution and fill pattern dependence have been measured. These measurements were carried out in the lab and in the real system. The results will be useful for deciding which BPM electronics to deploy in the APS upgrade project.

  
WEPEB048 Fault Diagnosis of the APS Real-time Orbit Feedback System Based on FTA* 2800
 
  • S. Xu, R. Laird, F. Lenkszus, H. Shang, C. Yao
    ANL, Argonne
  
 

The Advanced Photon Source (APS) real-time orbit feedback system is complex and faults are difficult to diagnose. This paper presents a diagnostic method based on fault tree analysis (FTA). The fault tree is created based on more than ten years operating experience of the system. The method is described to analyze the fault tree. The operator interface to the diagnostic tool is discussed.