Browsing Kybernetika pro materiálové vědy by Issue Date
Now showing items 1-20 of 52
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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 ... -
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 ... -
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. -
Verification of Nine-phase PMSM Model in d-q Coordinates with Mutual Couplings
(IEEE, 2016-11-25)Electric motors with more than three phases have many advantages comparing to ordinary three-phase motor. For this reason it is natural to pay attention to them and to work on advanced control methods. Control algorithms ... -
Efficient control of automotive R744 heat pump using Nelder-Mead simplex method
(IEEE, 2017-03-23)This paper deals with coefficient of performance maximization for automotive R744 heat pump using Nelder-Mead simplex method. -
Determination of optimum high-side pressure of R744 automotive heat pump using Fibonacci search method
(IEEE, 2017-06-21)This paper deals with maximizing coefficient of performance (COP) of R744 automotive heat pump. A high-side pressure variation is possible during transcritical operation employing low pressure receiver and electronic ... -
A Heuristic Algorithm to Compute Multimodal Criterial Function Weights for Demand Management in Residential Areas
(MDPI, 2017-07-20)We present the conceptual design of a collective control scheme for appliances within a smart home. Based on the relevant energy acquisition procedures, three appliance groups are defined, modeled, and completed with an ... -
Implementation and verification of the PMSM stator interturn short fault detection algorithm
(IEEE, 2017-09-14)This paper discusses the stator winding interturn short fault detection for three phase Permanent Magnet Synchronous Machines (PMSMs). The implementation of the Extended Kalman filter (EKF)-based fault detection algorithm ... -
Exponential stability of linear discrete systems with variable delays via Lyapunov Second method
(Hindawi, 2017-11-24)The paper investigates the exponential stability of a linear system of difference equations with variable delays. New criteria for exponential stability are derived using the method of Lyapunov functions and formulated in ... -
Simulink Generated Control Algorithm for Nine-phase PMS Motor
(IEEE, 2017-11-24)This paper deals with the nine-phase motor control algorithm development, mainly with its implementation in target hardware using MATLAB Simulink. This environment allows control algorithm design using model based approach ... -
Cooperation between an unmanned aerial vehicle and an unmanned ground vehicle in highly accurate localization of gamma radiation hotspots
(SAGE Publications, 2018-01-01)This article discusses the highly autonomous robotic search and localization of radiation sources in outdoor environments. The cooperation between a human operator, an unmanned aerial vehicle, and an unmanned ground vehicle ...