In this work we investigate spatial collective decision-making in a swarm of microrobots, inspired by the thermotactic aggregation behavior of honeybees. The sensing and navigation capabilities of these robots are intentionally limited; no digital sensor data processing and no direct communication are allowed. In this way, we can approximate the features of smaller mesoscopic-scale systems and demonstrate that even such a limited swarm is nonetheless able to exhibit simple forms of intelligent and adaptive collective behavior
Co-operative teams of service robots have been a research target for several years. Real-time task distribution and scheduling was identified to be one of the key challenges for these robot teams. This paper introduces the application of a team of service robots within hospital environments. Existing approaches for task distribution and scheduling, like central and distributed scheduling for the particular scenario, are introduced. Finally an adapted approach for the scenario is presented. The underlying task distribution problem however differs from known problems, since scheduling takes the power state and equipment of a robot into account required for each task
Adaptive user interfaces can make technology more accessible. Quite a number of conceptual and technical approaches have been proposed for adaptations to diverse user needs, multiple devices or multiple environments. Little work, however, has been directed at integrating all the essential aspects of adaptive user interfaces for accessibility in one system. In this paper, we present our generic MyUI infrastructure for increased accessibility through automatically generated adaptive user interfaces. The multimodal design patterns repository serves as the basis for a modular approach to individualized user interfaces. This open and extensible pattern repository makes the adaptation rules transparent for designers and developers who can contribute to the repository by sharing their knowledge about accessible design. The adaptation architecture and procedures enable user interface generation and dynamic adaptations during run-time. For the specification of an abstract user interface model, a novel statecharts-based notation has been developed. A development tool supports the interactive creation of the graphical user interface model.
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