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介绍了FAIR项目Super-FRS超导二极磁铁样机的基于FPGA的失超探测系统.该失超探测系统采用平衡桥路法,并通过两组独立桥路以消除失超探测死区.通过NI PXI-7830R FPGA 模块实现平滑滤波和失超判断算法,并给出失超触发信号.失超数据采集模块采用预采样技术,将失超前后一段时间内的数据采集下来,以便进行后续分析.通过测试,失超探测模块准确检测到了失超的发生,并触发失超保护电路和失超数据采集模块工作,有效地保护了超导二极磁铁.

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