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Comparison of Methods for the Measurement of Piezoelectric Coefficients
(IEEE, 2013-04-03)The charge constant of piezoelectric material is one of the crucial constant values. At the present time, the measurement of this value is mostly realized by means of three techniques: the frequency method, the laser ... -
Lower and upper estimates of solutions to systems of delay dynamic equations on time scales
(Springer, 2013-11-27)In this paper we study a system of delay dynamic equations on the time scale $\T$ of the form $$y^{\Delta}(t)=f(t,y_{\tau}(t)),$$ where $f\colon\mathbb{T}\times\mathbb{R}^n\rightarrow\mathbb{R}^n$, $y_\tau(t)=(y_1(\tau_ ... -
Singular Initial Value Problem for Certain Classes of Systems of Ordinary Differential Equations
(Hindawi, 2013-12-09)The paper is devoted to the study of the solvability of a singular initial value problem for systems of ordinary differential equations. The main results give sufficient conditions for the existence of solutions in the ... -
Robotic 3D Scanner as an Alternative to Standard Modalities of Medical Imaging
(Springer Science and Business Media Deutschland GmbH, 2014-01-06)Existují případy, kdy jsou standardní lékařské zobrazovací metody sice schopny poskytnout dostatečné výsledky, ale ne zcela optimálním způsobem. Například se zbytečně vysokými náklady, s redundantními informacemi nebo se ... -
Personal Navigation Algorithms Based on Wireless Networks and Inertial Sensors
(FEI STU Bratislava, 2014-06-30)The work aims at a development of positioning algorithm suitable for low-cost indoor or urban pedestrian navigation application. The sensor fusion was applied to increase the localization accuracy. Due to required low ... -
Common Industrial Protocol in machine safety
(Elsevier, 2015-01-05)The authors discuss the Common Industrial Protocol (CIP), an instrument used on many types of networks, including EtherNet and DeviceNet. The CIP is classified into a large number of variants, for example CIP Safety, CIP ... -
Optimal Scheduling of Domestic Appliances via MILP
(MDPI AG, 2015-01-08)This paper analyzes a consumption scheduling mechanism for domestic appliances within a home area network. The aim of the proposed scheduling is to minimize the total energy price paid by the consumer and to reduce power ... -
Calibration and evaluation of parameters in a 3D proximity rotating scanner
(Kaunas University of Technology, 2015-02-13)This paper presents the procedures enabling the calibration and evaluation of intrinsic parameters in a Velodyne multi-beam laser scanner. As the device will be utilized in field robotics applications, both the evaluated ... -
Conditional oscillation of half-linear Euler-type dynamic equations on time scales
(University of Szeged, 2015-02-18)We investigate second-order half-linear Euler-type dynamic equations on time scales with positive periodic coefficients. We show that these equations are conditionally oscillatory, i.e., there exists a sharp borderline (a ... -
Remote-Controlled Robotic Platform for Electrochemical Determination of Water Contaminated by Heavy Metal Ions
(ESG, 2015-04-01)The aim of our study was to equip a remote-controlled robotic platform (ORPHEUS-HOPE) with electrochemical system for fast detection of heavy metal ions in water. The platform contains two cameras – one pan/tilt color ... -
Asymptotic integration of fractional differential equations with integrodifferential right-hand side
(Vilnius Gediminas Technical University, 2015-07-20)In this paper we deal with the problem of asymptotic integration of a class of fractional differential equations of the Caputo type. The left-hand side of such type of equation is the Caputo derivative of the fractional ... -
A multi-mode cantilever singular point detection using adaptive hypothesis testing
(IOP Publishing, 2015-10-05)Fundamental analysis of a multi-mode model of the atomic force microscope cantilever shows that at some points; called here singular points, the mode is vanished. Consequently, the order of the input/output behavior is ... -
Utility of several microsatellite markers for the genetic characterisation of three ex situ populations of threatened caprine taxa (Capra aegagrus, C. cylindricornis and C. falconeri)
(ARCHIV FUR TIERZUCHT, 2015-10-07)Caprines belong to the most endangered group of mammals and artiodactyls suffering from many negative human impacts. Fortunately, many of them are protected and managed by national and international legislation and in situ ... -
On a product-type system of difference equations of second order solvable in closed form
(BioMed Central, 2015-10-12)Sufficient conditions for solving a system of difference equations of second order in closed form are given. Moreover, sufficient conditions for existence of periodic solutions and asymptotic stability of solutions are ... -
Existence of solutions converging to zero for nonlinear delayed differential systems
(Springer, 2015-11-17)Je prezentován výsledek o asymptotickém chování dvourozměrného systému diferenciálních rovnic se zpožděním splňujícího jisté postačující podmínky. Jsou zobecněny předcházející výsledky, které byly dokázány užitím ... -
Limb volume measurements: comparison of accuracy and decisive parameters of the most used present methods
(Springer, 2015-11-19)Limb volume measurements are used for evaluating growth of muscle mass and effectivity of strength training. Beside sport sciences, it is used e.g. for detection of oedemas, lymphedemas or carcinomas or for examinations ... -
Boundedness character of a fourth-order system of difference equations
(Springer Nature, 2015-12-01)Sufficient conditions for boundedness character of solutions of a fourth-order system of difference equations is given. -
On a close to symmetric system of difference equations of second order
(Springer Nature, 2015-12-29)Closed form formulas of the solutions to the system of difference equations of the second order are found. The domain of undefinable solutions to the system is described. -
Solvability of a close to symmetric system of difference equations
(Department of Mathematics, Texas State University, 2016-06-27)The problem of solvability of a close to symmetric product-type system of di erence equations of second order is investigated. Some recent results in the literature are extended. -
Measurement of thermal depolarization effects in piezoelectric coefficients of soft PZT ceramics via the frequency and direct methods
(Elsevier Ltd., 2016-09-01)Depolarization at high temperatures around the Curie point constitutes an important yet difficultly measurable material property of piezoelectric (PZT) ceramics. The common vibrometric technique (d33 meters) is not suitable ...