Research and Realization of Automatic Verification System for Controllable Ultrasonic Fault Detector
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摘要: 在分析现行人工手动检定方法的基础上,针对具有远程控制接口的超声探伤仪的自动检定方法展开研究,设计并开发了自动检定系统。利用可扩展标记语言(XML),建立了设备远程控制指令集与数据解析方法库,解决了被检仪器接口与协议多样化的可扩展设计问题;采用信号发生器与程控衰减器级联的方式,实现了计量用标准衰减器的可控设计,有效突破了计量用高精度衰减器可控的瓶颈,解决了大衰减范围、小衰减步进和高衰减精度等问题;对被检超声探伤仪扫描范围参数的检定,提出用计算的方法代替传统的计数方式,实现了检定过程数字化。Abstract: On the basis of analyzing the current manual verification method, the automatic verification method of ultrasonic flaw detector with remote control interface is studied, and the automatic verification system is designed and developed. With the extensible markup language (XML), equipment remote control instruction set and data analytical method library are established, which can solve the problems of the extension design of the instrument interface and protocol diversification; with signal generator and a programmable attenuator cascade, controlled attenuator used in metrology is designed, the high accuracy controllable attenuator bottleneck is broken through effectively, and the problems of large attenuation range, small attenuation step and high attenuation accuracy are all solved. For the verification of the scanning range parameters of the ultrasonic flaw detector, the calculation method is proposed to replace the traditional counting method, and the verification process is realized.
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Key words:
- automatic verification /
- XML /
- controllable attenuator /
- scan range
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