Speaker
Description
The resonance control system for the cavity-coupled linear accelerator (CCL) portion of the Los Alamos Neutron Science Center (LANSCE) has been a consistent source of operational downtime. The present system has been used since installation with only minor upgrades, so a system is being developed to replace it with modern components to reduce maintenance and downtime. The present control algorithm maintains water temperature at a set point based on the average RF power, and other parameters that are direct indications of resonance such as the cavity field phase or its ratio to forward power should be implemented to improve issues inherent to the present control system. These relevant data have been collected for several RF modules and analyzed. Additionally, the control of the valve used to maintain water temperature is antiquated, and a commercially available off-the-shelf stepper motor driver is required as other parts are upgraded. A prototype of a new system is discussed.
Funding Agency
Work was performed under the auspices of the US Department of Energy by Triad National Security, LLC, under contract 89233218CNA000001.
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