The Konect value – a quantitative method for estimating perception time and accuracy for HMI designs

Marie-Christin Harre and Sebastian Feuerstack

Behaviour and Information Technology, 2018, vol. 37, issue 9, 894-903

Abstract: A human operator monitoring a safety-critical system has to perceive information quickly and accurately to detect critical system states and execute countermeasures in time. So far, testing such human machine interfaces (HMIs) is a complex task as HMI design prototypes have to be implemented for simulation environments to perform tests with professional operators. We propose Konect Value, a quantitative method to estimate the relative perception accuracy and operator reaction time at an early design stage. The model-based method solely requires a task model and HMI design sketches as input. To validate the Konect Value, we applied the quantitative measure to seven different HMIs in a truck platooning use case. A comparison of the calculated value to the measured accuracy and reaction times in a lab study (n=33) revealed high correlations for the relative reaction time (r=0.83, p

Date: 2018
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DOI: 10.1080/0144929X.2018.1505952

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