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The following article reports result from an extensive study with 25 blind users from Italy and Sweden performed during the summer 2001. The tasks reported here test recognition of geometrical objects, recognition of VRML objects, mathematical surfaces and navigation in a traffic environment. The outcome of these tests show that blind users are able to handle also quite complex objects and environ
Behovet av geriatrisk och gerontologisk kompetens är stor och det är angeläget att öka antalet specialistutbildade sjuksköterskor inom vård av äldre. Sveriges befolkning blir allt äldre, vilket bland annat beror på att vi blir bättre på att främja människors hälsa och bota sjukdomar. Den ökade medellivslängden till trots, kantas ofta den sista tiden i livet av en period med ett ökat behov av vårdi
Primary and backup paths in MPLS fast reroute (FRR) may be established as shortest paths according to the administrative link costs of the IP control plane, or as explicitly calculated arbitrary paths. In both cases, the path layout can be optimized so that the maximum link utilization for a set of considered failure scenarios is minimized. In this paper, we propose a linear program for the optimi
Variability in composite manufacture and the limitations in positional accuracy of common industrial robots have hampered automation of assembly tasks within aircraft manufacturing. One way to handle geometry variations and robot compliancy is to use force control. Force control technology utilizes a sensor mounted on the robot to feedback force data to the controller system so instead of being po
This paper addresses the problem of state reduction of nonlinear continuous-time systems. A novel method that relates to balanced truncation is presented and applied to examples. The method is computationally efficient and is applicable to relatively large systems.
The common-mode (CM) signal in wireline transmission systems has proven to provide valuable information exploited for mitigating narrowband noise at the receive side. We focus on the case of broadband noise. Treating the CM signal as an additional receive signal, we investigate the capacity of the copper cable channel for different levels of coordination among the users. We introduce a channel mod
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Society protects its citizens against crises and emergencies. Emergency management, and particularly preparedness for emergency response, can be strengthened through the use of scenario-based exercises. Since such exercises are expensive, it is of common interest to make efficient use of their results. One way to enhance existing methods for scenario-based exercise is to improve their learning eff
