Titlebook: Mathematical Methods in Engineering; Nuno Miguel Fonseca Ferreira,José António Tenreiro Conference proceedings 2014 Springer Science+Busin

MUT

Generalized State-Space Modeling for m Level Diode-Clamped Multilevel Converters,ction of renewable energy sources systems, where they have several advantages, namely low distortion voltages and currents, low switching losses resulting in higher efficiency. As a consequence of the increasing interest on multilevel converter applications, accurate models of these power converters

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Mathematical Modeling of Heat and Mass Transfer in Domain of Solidifying Alloy,de from Cu-Zn alloy is considered. It is assumed that the temperature corresponding to the beginning of solidification is time-dependent and it is a function of temporary alloy component concentration. The course of macrosegregation has been modeled using the mass balances in the set of control volu

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Total Variation Approach to Density Reconstruction from X-Ray Radiograph Tomography,nsional cylindrical objects, we propose to divide the object into small blocks, in each block the density is viewed as a constant. The projection operator corresponds to a matrix. Density reconstruction leads to solve a linear algebraic equation system. To deal with its ill conditioning, we use Tota

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The Improvement of Total Variation Based Image Restoration Method and Its Application,ually piecewise constant, and have sometimes undesirable staircasing effect. To reduce this effect, we propose an improved model by combining the advantages of total variation and .. regularization. The new model substantially reduces the staircase effect, while preserving sharp edges. This model ca

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Adaptive System for Control of Active Ankle-Foot Orthosis and Gait Analysis,hosis. In this paper the design of a control unit composed by microcontroller, driver and sensor system, and its application to the actuation and position of the foot orthotic segment is presented. The research work combines hardware and software design of the intelligent control device with graphic

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expound