重离子加速器同步定时触发系统的实现

Implement of Synchronous Timing Trigger System in Heavy Ion Accelerator

摘要: 同步定时触发系统是重离子同步加速器的控制核心，控制磁场电源对带电离子束进行同步加速，其对可靠性和定时精度要求高。在重离子治癌、材料辐照等领域的发展中，为了满足这些领域对重离子同步加速器小型化的需求，本文以NIOSII为核心处理器，结合FPGA上的可编程片上系统（SOPC），实现了一种基于可编程硬件的同步定时触发系统。该系统可控制延时精度，且使用灵活、可靠，易升级，向小型化的同步加速器及重离子治癌等应用工程提供了切实可行的方案。

Abstract: The synchronous timing trigger system is the control core of a heavy ion synchrotron and controls magnetic field power supply to accelerate charged ion beam. The high reliability and high timing precision are required for the system. With the development of some domains, such as the heavy-ion cancer therapy and the material irradiation, a synchronous timing trigger system in synchrotron was presented in order to meet the requirement of miniaturizing accelerator. This system was implemented based on the processor NIOSII and combined with the SOPC on FPGA. It is flexible, reliable, easy to upgrade, and has controllable delay precision. The system, as a feasible scheme, can be suitable for the miniaturized accelerator and any application engineering like heavy-ion cancer therapy.