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New trends of NDT-based condition monitoring of industrial and power plants

机译：基于NDT的工业电厂状态监测新趋势

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摘要

The energy generation and industrial production sectors require a more exact condition-based structural assessment for predictive maintenance. Condition monitoring can be significantly improved through the use of new approaches for monitoring concepts, including non-destructive testing (NDT). Couplant-free ultrasonics using electromagnetic acoustic transducers can be applied for monitoring of metal structures such as light poles. A major step towards defect quantification will be attained by the development of an innovative ultrasonic tomographic method based on guided waves, which is currently being developed at Fraunhofer IZFP. As will be shown, the quantitative determination of corrosion in inaccessible or hidden areas becomes possible, for example for pipe supports and under insulation. In addition, the potential of ultrasound sampling phased array technology using full matrix capture and the total focusing technique applied to materials and structures that are difficult to inspect will be presented. Demonstrations for permanent condition monitoring are currently being developed at IZFP. One of these is the MoniDAQ, a small, robust, cost-effective and self-powered platform concept. Individual inspection modules, such as ultrasonic, eddy current or micromagnetic devices, can be integrated and subsequent intelligent signal processing will enable rapid data analysis.
机译：能源生成和工业生产部门需要更确切地说条件的基于条件的结构评估，以进行预测性维护。通过使用新方法可以显着改善状态监测，包括监测概念，包括非破坏性测试（NDT）。使用电磁声换能器的无耦合器超声波可以应用于监测金属结构，例如轻杆。基于引导波的创新超声波断层法发展，将实现朝向缺陷量化的重大步骤，目前正在Fraunhofer Izfp开发。如将示出的方式，例如用于管支撑和绝缘下的腐蚀中腐蚀的定量测定。另外，将呈现使用全矩阵捕获的超声采样相控阵技术的潜力和应用于难以检查的材料和结构的总聚焦技术。目前正在IZFP开发永久条件监测的示范。其中之一是Monidaq，一个小型，坚固，具有成本效益和自我驱动的平台概念。单个检查模块，如超声波，涡流或微磁器件，可以集成和随后的智能信号处理将实现快速数据分析。

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