Karsten Lemmer

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Model-based testing has a significant impact on test quality and test effort. However, many industrial projects still rely on the traditional testing methods. The biggest concerns against model-based testing are the need of formal knowledge and high initial costs for introducing the formal model. In this paper we show how it is possible to introduce(More)
Due to continuous automation and the introduction of new technologies at railway workplaces, there is a high demand for human factors research in the railway domain. In order to study the human contribution to performance and safety of the railway system, the Institute of Transportation in the German Aerospace Centre decided to upgrade the existing railway(More)
The worthwhile goal of reducing fatalities in road systems inspires people ever since the appearance of the first vehicles. Policy makers, researchers, developers, and others have adopted various measures with a positive effect on the number of fatalities. In Germany, the number dropped from a peak of 21,095 in 1970, to 3,339 in 2013. Measures include new(More)
In our Rail Human Factors approach, we define the human as the starting point for our interdisciplinary research on the design of human-machine interfaces in railway systems. One key focus of this approach is on the future workplace of the rail traffic controller. In this paper, a collaboration project between human factors scientists and trained rail(More)