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Towards modeling guidelines for capturing the cost of improving software product quality in release planning

Quality requirements complement functional requirements with information on the target quality levels of software functions or emergent system quality aspects. In release planning the allocation of development effort in further investments into product enhancements, new or enhanced functions are competing with quality improvements for limited resources. When setting balanced quality targets for de

Steady-State Diffusion in Complex Amphiphilic Films

The relation between structure and diffusive transport at steady-state is investigated theoretically for amphiphilic systems. Amphiphilic systems typically show a large response to moderate changes in control parameters, such as temperature, osmotic pressure, and the presence of cosolvents and cosolutes. Such systems is therefore expected to show a local response in structure due to the transport

Enabling audio-haptics

This thesis deals with possible solutions to facilitate orientation, navigation and overview of non-visual interfaces and virtual environments with the help of sound in combination with force-feedback haptics. Applications with haptic force-feedback, sp

Themes and challenges in making freight transport sustainable

The purpose of this article is to explore themes and challenges in making freight transport sustainable out of a logistics service providers’ perspective. The approach is explorative and the main method for data collection is interviews. The study has a cross sectional design which takes advantage of nine semi-structured interviews from selected logistics service providers operating in the Scandi

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Stability Analysis of Continuous-Time Adaptive Control Systems

The stability properties of a fairly general continuous-time adaptive control scheme are analyzed. Sufficient conditions for $L^\infty $-stability in the presence of disturbances are given. The stability results are used to prove convergence of the process outputs in the disturbance-free case, without requiring any a priori stability assumptions.

Joseph Beuys reconsidered

My research is about the possibility of understanding and interpreting artworks by Joseph Beuys (1921-1986) in a broader sense than is usually done before: I want to start with some actions, follow different action-tools from these, into the vitrines of the art museums. In my performative analysis there are no fixed boundaries between Beuys himself as an actor in his actions, his artworks, that is