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Resistive sensors based on electrospun tin oxide nanofibers have been deposited onto micromachined silicon substrates to detect low nitrogen dioxide (NO2) concentrations in air. Solution precursors for the electrospinning were based on polyvinyl alcohol (PVA) and tin chloride dihydrate (SnCl2·2H2O). The sensors have been doped with gold and palladium in order to improve their sensing characteristics...
Object-oriented modeling is spreading in current simulation environments through the use of the individual components of the model and its interconnections to define the underlying dynamic equations. In this paper we describe the use of the SIMSCAPE simulation environment in the object-oriented modeling of the short-term arterial pressure control system when is applied to patients undergoing different...
In this paper, an approach for disturbance estimation in the stator phase currents of an induction machine is presented. The approach is based on the Extended Kalman Filter that uses the extended model of an electrical induction machine (IM) under healthy conditions. The extended model includes additional states (disturbances) that allow discrepancies between the model and the real system to be detected...
This paper analyses a MOS-based resistive network suitable for massively parallel image processing. The inclusion of MOS transistors biased in the ohmic region instead of true resistors permits certain control over the underlying spatial filtering while reducing the required area for VLSI implementation. However, it also leads to nonlinearities and thereby to errors with respect to an ideal resistive...
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