Author: Nakayoshi, K.
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THCPA07 Development of an Expert System for the High Intensity Neutrino Beam Facility at J-PARC 1229
  • K. Nakayoshi, Y. Fujii, T. Nakadaira, K. Sakashita
    KEK, Ibaraki, Japan
  A high intensity neutrino beam produced at J-PARC is utilized by the T2K long baseline neutrino oscillation experiment. To generate the high intensity neutrino beam, a high intensity proton beam is extracted from the 30 GeV Main Ring synchrotron to the neutrino primary beamline. In the beamline, one mistaken shot can potentially do serious damage to beamline equipment. To avoid such a consequence, many beamline equipment interlocks which automatically stop the beam operation are implemented. If an interlock is activated, the beam operator references the operation manual, confirms the safety of the beamline equipment and resumes the beam operation. In order to improve the present system, we are developing an expert system for prompt and efficient understanding of the status of the beamline to quickly resume the beam operation. When an interlock is activated, the expert system references previous interlock patterns and infers what happened in the beamline. And the expert system will suggest how to resume the beam operation to the beam operator. We have developed and evaluated this expert system. In this talk, we will report the development status and initial results.  
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