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Current methods to compare measurement series are based on the comparison of multiple measurement points or fit parameters. These approaches depend on the quality of the fit and are prone to type I error accumulation, when standard statistical tests are used for evaluation. In this work, we present an approach based on a two-sample Kolmogorov-Smirnov test of residuals of data series to a fit in order...
We investigate the uncertainty of a time-based approach to read out Wheatstone bridge circuits and we compare it to the classical voltage-based approach. The time-based approach utilizes electrical discharge time when the resistive sensor is connected to a charged capacitor. We compare both approaches based on measurement uncertainty models. Analytical equations are given and calculated for two integrated...
The usage of household liquids such as detergent or shampoo is a relevant parameter in customer research. It has to be measured in a real environment to eliminate effects of staged studies. We present a 3D-printed sensor usable for both flow and derived mass measurements for such high viscous liquids. It can handle pulsating flows and has negligible influence on typical user's behavior. The sensor...
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