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Converters using active switches can improve harmonic components of input current and power factor. Moreover, these converters contribute to the footprint downsizing. However, increase of switching losses and EMI due to high frequency switching is one challenge of these types of converters. This paper proposes a new active rectifier circuit topology, which can reduce the switching losses and EMI with...
Variable frequency induction heating has great potential for industrial heating applications due to the possibility of heating distribution control. Conventional high frequency converters are not suitable for the variable frequency operation; therefore, large scale induction heating with variable frequency has not yet been introduced to practical use. This paper proposes a soft-switching converter...
This paper describes a series of studies to develop various components to invest robots in welfare field (we call care-taker support robots) with human-like emotions. These components are collectively proposed as the "Virtual KANSEI (VK)," which is a capability to generate and express emotion like behaviors of this robot. The word 'KANSEI' is used here to mean emotions, feelings and affective...
Abstract Numerical aberrations of chromosomes 7 and 9 of exfoliated cells from the urinary tract were examined using fluorescence in situ hybridization (FISH). To minimize contamination with inflammatory, squamous and normal transitional cells all samples were stained using Giemsas solution and clusters of transitional cells were selected for FISH analysis. Samples collected from 21 patients who had...
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