Author: Chiu, M.-S.
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MOPRO094 TPS Commissioning Exercise Performed on the TLS 307
 
  • F.H. Tseng, H.-P. Chang, M.-S. Chiu, S.J. Huang
    NSRRC, Hsinchu, Taiwan
 
  Taiwan Photon Source (TPS) commissioning exercise by using the high-level accelerator physics application programs (HL-APAP) has been performed on the operational 1.5 GeV Taiwan Light Source (TLS) storage ring. It includes steering the injection beam in the first turn to achieve multi-turns and stored beam with the help of the RESOLVE analysis. The orbit correction programs using different algorithms such as SVD, Householder transformation, and local bumps were applied to reduce the closed orbit distortion of the stored beam and to adjust the beam orbit to pass through those field centers of quadrupoles indicated by the corresponding BPMs. The golden orbit defined by the measured data of BPMs corresponding to each quadrupole field center was based on the Beam Based Alignment (BBA). After approach the stored beam orbit to the golden orbit, we save all the BPMs data as the target orbit for machine operation. The lattice calibration is then performed by the LOCO. The detail of the commissioning exercise is described in this report.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-MOPRO094  
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MOPRO095 Application Program for Automatically Getting the First Turn and Closed Orbit in TPS Commissioning 310
 
  • M.-S. Chiu, H.-P. Chang, P.J. Chou, F.H. Tseng
    NSRRC, Hsinchu, Taiwan
 
  Taiwan Photon Source (TPS) is a 3 GeV third generation electron synchrotron light source, consist of 5 major modules: LINAC, LTB transfer line, booster ring, BTS transfer line and storage ring. Its beam commissioning is scheduled in 2014. Getting the first turn and approaching the closed orbit is a crucial step for achieving stored beam in ring-based accelerator commissioning. In order to make first turn beam commissioning efficient, we develop a MATLAB-based application program based on AT and MML for automatic beam steering and closed orbit search. The algorithm and simulation results are presented.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-MOPRO095  
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