用FPGA控制的磁致伸缩效应检测传感器

Magnetostrictive-based Transducer Controlled by FPGA

采用现场可编程门阵列(FPGA)技术,实现了对磁致伸缩效应检测传感器的控制设计,讨论了传感器的结构参数设计,给出了FPGA的实现原理及配置。该传感器能够实现远程、非接触检测,检测效率高。采用FPGA控制,缺陷定位准确,偏差远小于0.1 mm.并且可在线修改控制参数,电路结构简洁,抗干扰能力强。

Combining field programmable gate array （FPGA） technology, a magnetostrictive-based transducer controlled by FPGA was developed. It discuases the structure design of transducer and the configuration of FPGA. Under the control of FPGA, the transducer can detect and locate long-distance defects accurately, with an error less than 0.1 mm. Using FPGA, parameters can be modified easily in circuit, and control circuit is simplified with a high anti-jamming capability.