162.5 MHz Digital Low-level Radio Frequency Control Monitoring System Design and Implementation
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Graphical Abstract
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Abstract
162.5 MHz high-frequency low-level control system self-developed by Institute of Modern Physics for ADS project took digital technology. All parameters' reading & writing，including loop parameter setting,open& close-loop operation, and condition monitoring, were achieved through the monitoring system. The system used lightweight client-server working mode that client running in the PC sent command data, server running on high-frequency digital low level system responded instructions to complete parameter monitoring and control. The system consisted of three parts. Firstly, server hardware system was constructed based on Atera Stratix III family of eld-programmable gate array (FPGA) development board. Secondly，the server software system was designed based on Micro C/OS II real-time operating systems and lightweight TCP / IP protocol stack, and nally a client PC program was designed based on MFC. After a long test, it was indicated that the monitoring system works properly and stably. TCP sends and receives throughput reached 11.931 038 Mbps and 8.117 624 Mbps.
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