Abstract
High Intensity Heavy Ion Accelerator Facility (HIAF) project has been proposed by Institute of Modern Physics, Chinese Academy of Sciences (IMP) for high power heavy ion researches. Due to the unique requirements of the Booster Ring (Bring) in HIAF, a digital controller is used as the controlling system of power supplies to achieve high performances. This paper explains the hardware and software architecture of the digital controller. It uses Cyclone V SX SoC FPGA which integrates dual-core ARM Cortex-A9 MP Core processor. The controller consists of high precision ADC, DAC, optical fibre modules, DDR3 SDRAM and Gigabit Ethernet modules. The PI regulation and PWM modulation have been realized in FPGA. The data pre-setting, web service, database, power supplies detection and protection management have been established in ARM. Finally, the results of prototype output measurements prove that this design is feasible and qualified.
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