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This paper presents an ultrathin stretchable device capable of soft lamination onto the skin with a releasable film for wireless measurement of biophysiological signal on skin. The device contains metallic electrodes and graphite strips, and can be attached to multiple skin locations in a conformal manner. Experimental results demonstrate that the device offers ease of skin releasing with reliable...
We design an adaptive quantized control for a class of multivariable nonlinear systems. A backstepping controller is constructed based on a hysteretic quantizer. It is proved that by using the proposed method, all signals of the closed-loop system are bounded. A exact inequality is achieved which can be considered as a guideline for choosing the quantization parameter. By choosing suitable design...
We evaluated an accuracy and efficiency of laser measurement methods that can be utilized in urban tree mapping and monitoring. In this paper we describe our methods and show the first results of the study. In the field, altogether 44 urban trees located in park environment were measured and mapped from our pilot area located in Seurasaari, Helsinki, Finland. Several laser scanning methods were compared...
Previously, several countries have performed countrywide laser scanning, but mainly for DTM purposes. This paper discusses the possibility to use countrywide collection of laser data, possibly multi-temporal laser data, for updating Topographic and forest databases, especially concerning the detection of the changed buildings or trees and reconstructing them from laser scanner data. Knowledge obtained...
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