| 基于FPGA技术的加速器切束控制系统设计 |
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| 引用本文： | 王永鹏,郭玉辉,罗冰峰,罗江波,刘海涛,王晶,刘婷.基于FPGA技术的加速器切束控制系统设计[J].强激光与粒子束,2016,28(10):105103. |
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| 作者姓名： | 王永鹏 郭玉辉 罗冰峰 罗江波 刘海涛 王晶 刘婷 |
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| 作者单位： | 1.中国科学院 近代物理研究所, 兰州 730000; |
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| 摘 要： | 针对加速器驱动次临界系统(ADS)中强流质子直线加速器，即ADS注入器Ⅱ，设计了采用现场可编程门阵列(FPGA)切束技术的加速器快保护控制系统。当系统检测到束流异常故障信号时能快速切断束流，并上传故障信息，方便故障排查和后期数据分析。该控制器基于FPGA设计，可实现光纤通信、串口通信、逻辑电平信号输出等功能。其中，光纤通信功能用于控制斩波器电源快速切断束流；串口通信用于实时传输设备状态信息；逻辑电平信号输出用于控制继电器产生开关量信号去远程控制保护设备，以防止运行设备的损害。通过现场运行测试，切束响应时间在10 s之内，达到安全设计要求。
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| 关 键 词： | 加速器驱动次临界系统 现场可编程门阵列 快保护 故障输入 LabVIEW |
| 收稿时间： | 2016-01-02 |
Design of accelerator beam cut control system based on FPGA |
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| Affiliation: | 1.Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China;2.University of Chinese Academy of Sciences,Beijing 100049,China |
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| Abstract: | In accelerator driven sub-critical system (ADS) injectorⅡ,the FPGA beam cut technology is designed for accelerator fast protection control system. When a fault signal is detected by the system, the beam can be quickly cut off. And the fault information will be uploaded to implement fault examination and data analysis. The controller based on field programmable gate array could implement optical fiber communication, serial communication and logic level signal output. The optical fiber communication function is used to control an optical chopper to cut off the beam. Serial communication is used for the transmission of real-time status information of the equipment. Moreover, the logic level output signal is designed to control the relay switch signal to protect equipment from damage remotely. According to the onsite test, the response time of beam cut is within 10 s, which reaches the safety design requirements. |
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