Sensors, Measurement and Testing Methods

Fields of activity

Reliability of Testing Systems

Sensors and Measurement Systems

Topics

• Condition monitoring, damage detection and structural monitoring, structural health monitoring (SHM) - concepts and strategies, electric sensors and measurement technology
• Development of measuring strategies (eg. for the experimental stress analysis), development of problem-oriented electrical sensors, measuring and testing techniques
• Wireless sensor networks, autonomous operating measuring / sensor platforms (eg. micro-unmanned aerial vehicle for measurement of pollutants)
• Sensors and monitoring systems for containers for transport and storage of dangerous goods
• Experimental stress analysis on the basis of electrical sensors and measurement technology
• Development of new materials and products with integrated piezoelectric sensors (smart materials, smart structures) for damage detection and localization
• Highly dynamic material characterization (eg. Split-Hopkinson (Kolsky) bar, SHB)
• Determination of local strength parameters of components using instrumented indentation testing (Martens hardness)
• Development and provision of quality standards and reference methods for the assessment of mechanical-technological testing methods
• Characterization and validation of sensors and measuring systems, and mechanical-technological and micro-mechanical testing methods, uncertainty and reliability assessments
• Calibration of sensors and measuring systems (including force, electrical quantities) as accredited calibration laboratory (ISO/IEC 17025:2005, DKD-K-53201), provision of reference standards, calibration of large-scale testing machines up to 30 MN
• Reference test facility for the instrumented indentation test (Martens hardness, makro area)
• Participation in the development of standards and technical regulations (eg. German accreditation agency committee 1 and committee 5, DKE committee control systems for nuclear plants, DIN NA 062, IEC SC 45A Instrumentation and control of nuclear facilities, ILAC AIC, VMPA, VDI/VDE-GMA FA 1.11 and FA 2.10)
• Advising companies, laboratories, organizations and government agencies on issues from the work area

Technical equipment

• Electrical multi-channel measuring systems with time synchronized video recording or experimental stress analysis,  structural health monitoring and long time monitoring of components and structures of high risk
• Force reference standards for compression and tension forces up to 5 MN (uncertainty ± 5 ·10^-4); for compression forces up to 36 MN
• Split-Hopkinson bar for characterization of dynamical behaviour of sensors and materials

Service

• Selected posters of Division 8.1
• Presentations and publications can be found in the database PUBLICA
• Events

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