Current status of virtual accelerator at J-PARC 3 GeV Rapid Cycling Synchrotron
2007
We have developed a Virtual Accelerator based on Experimental Physics and Industrial Control System (EPICS) for 3 GeV Rapid Cycling Synchrotron (RCS) in Japan Proton Accelerator Research Complex (J-PARC). It has a simulator of a beam for a complex accelerator and is put under the control server in parallel with the real machine. It is possible to make a dryrun without a beam, and consequently the Virtual Accelerator gives a strong feedback for the RCS operation as a commissioning tool. In that way, we can examine the control system of the real machine and practice the commissioning of the real machine by using the Virtual Accelerator. It is important to have the tool based on beam dynamics with realistic machine parameters to increase operational performance. We have constructed the Virtual Accelerator system based on EPICS and acceleration process has been implemented into the Virtual Accelerator. A simulation of multi-particles tracking, which we call a dryrun, has been performed on the Virtual Accelerator. Beam energy, synchrotron oscillations and adiabatic damping for horizontal and vertical have been checked out of the dryrun using the Virtual Accelerator. We present the concept of the Virtual Accelerator system and current status of the development.
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