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At the 7th edition of the workshop on "Dynamic Measurement Analysis" organised by the LNE last month in Paris, European and industrial metrology laboratories discussed methods for evaluating and improving the quality of dynamic measurements. Dynamic measurements are when determining a physical quantity whose value is temporally dependent. This type of measurement potentially involves a wide variety of application areas, in fact, it seems relevant and useful to be able to measure a magnitude that varies over the course of the measurement (for example, the measurement of forces exerted during a crash test). However, the sensors used to make the measurements are calibrated most of the time under static conditions, which can significantly affect the reliability of the measurements and the uncertainties associated with them.
Discussions focused on the case of pressure and force sensors. You can find the full programme and view the presentations given on the French metrology website. (https://www.french-metrology.com/workshop/dynamic-measurement-workshop.asp)
In addition, the LNE is participating in the European Research Project (JRP) on the traceability of dynamic measurements for mechanical sizes (https://www.ptb.de/emrp/ind09-home.html).
One of the objectives of this project is to set up a procedure for calibrating force sensors in dynamics, which can first be used by primary calibration laboratories and later in another form by industrialists. In particular, the LNE teams are working on the development of a calibration bench and the method of calculating the associated uncertainty.
Find out more: https://www.lne.fr/
