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Browsing NTNU Open by Author "Verlan, Andriy"

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Now showing items 1-16 of 16

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    • Algorithm implementation of integrated macromodel explicit form 

      Verlan, Andriy; Sterten, Jo; Polozhaenko, Sergiy (Journal article; Peer reviewed, 2017)
      It is shown that the class of adequate mathematical models of dynamic objects of varying complexity is integrated model, built on the principle "input - output". It is important that this class of models, presented as a ...
    • Algorithmization of the methods of the accurate parametric reduction of mathematical models 

      Verlan, Andriy; Verlan, Anatolii; Polozhaenko, Sergiy (Journal article; Peer reviewed, 2017)
      On the basis of the presented parametric reduction principle, approaches are proposed to algorithm the processes of simplification of mathematical models, as well as a group of operations that ensure the construction and ...
    • Computer Modeling Of Nonlinear Flutter Of Viscoelastic Based Plate As A Sustainable Mechanical Engineering Approach In Aircraft Structures’ Design 

      Verlan, Andriy; Khudayarov, Bakhtiyar; Verlan, Anatolii; Fomin, Oleksandr; Polozhaenko, Sergii (Chapter, 2021)
      The article is dedicated to computer modeling of a viscoelastic based plate flutter in design of aeronautical structures in sustainable mechanical engineering. The mathematical model of the flutter problem for viscoelastic ...
    • Computer modelling of drill string of an oilwell drilling rig 

      Verlan, Andriy; Fedorchuk, V.A. (Chapter, 2018)
      The article considers the questions of construction and computer realization of the mathematical model of drill string of a drilling rig. An approximation model is proposed in the form of systems of ordinary differential ...
    • DIGITAL CORRECTION FILTER IN PROBLEMS OF RECOVERY OF INPUT SIGNALS AND OBSERVING SYSTEMS’ DATA IN ENERGY OBJECTS 

      Verlan, Andriy; Sterten, Jo (Peer reviewed; Journal article, 2021)
      The task of signal recovery is one of the most important for auto-mated diagnostics and control systems of an energy object. When solving the inverse problems of recovering signals, images and other types of data, spectral ...
    • IMPLEMENTATION OF INTEGRAL EXPLICIT MACROMODELS BY MEANS OF QUICK-ACTING ALGORITHMS 

      Verlan, Andriy; Sterten, Jo (Peer reviewed; Journal article, 2018)
      A class of mathematical models of dynamic objects in the integral macromodels form, built on the «input-output» principle is considered. The possibility of reducing errors and increasing speed of the modeling process using ...
    • INTELLIGENT OBJECT-ORIENTED APPROACH TO DYNAMIC ENERGY SYSTEMS’ MODELLING 

      Verlan, Andriy; Sterten, Jo (Peer reviewed; Journal article, 2020)
      Proposed object-oriented approach and general architecture of intellectual software for mathematical modelling of dynamic ener-gy systems. Introduced and considered in detail an architecture of knowledge bases for modelling ...
    • Mathematical Models of Nonlinear Problems of Dynamics of Thin-Walled Structures under Aerodynamic Loading based on the Refined Timoshenko Theory 

      Verlan, Andriy; Kucharov, O; Turaev, F; Yusupov, E (Chapter, 2021)
      A class of dynamic problems is investigated using a programming environment, the mathematical models of these problems are described by complex nonlinear integro-differential equations. The following problems were investigated ...
    • Method of construction of specialized algorithms for solving differential equations 

      Verlan, Andriy (Journal article; Peer reviewed, 2017)
      Considered the problem of optimization of the process of constructing specialized algorithms for the given form nonlinear ordinary differential equations systems’ numerical solution. The problem is reduced to the determination ...
    • Method of regularizing the problem of recovery of input signals of dynamic objects 

      Verlan, Andriy; Sterten, Jo; Furtat, Yurii (Journal article; Peer reviewed, 2016)
      The task of signal recovery is one of the most important for automated diagnostics and control systems. This task is computationally complex, especially in the case of multiple heterogeneous errors in the signals and ...
    • METHODS OF COMPLEX DYNAMIC SYSTEMS’ MODELS’ EQUIVALENT CONVERSION 

      Verlan, Andriy; Sterten, Jo (Peer reviewed; Journal article, 2019)
      Proposed and considered the formal description of equivalent conversions which can be applied to obtain the various models of different kinds of complex dynamic systems (including electrical systems, power installations, ...
    • On the Choice of Numerical Methods for Solving Dynamic Equations for Control Systems with Embedded Calculating Tools 

      Verlan, Andriy; Fedorchuk, V.A. (Journal article; Peer reviewed, 2017)
      Approaches to choice of optimum method as for accuracy and amount of computation at the integration step that makes it possible to range numerical implementation methods for different levels of acceptable error based on ...
    • On the Representation of Non-Linear Functions by Fractional-Power Series 

      Verlan, Andriy; Sterten, Jo (Journal article; Peer reviewed, 2014)
      A method for approximation of relationships by polynomials containing fractional-power terms is proposed, which in many cases makes it possible to cut down the number of computations. The proposed method for representation ...
    • Simplification of mathematical models of objects with distributed parameters by the method of splitting 

      Verlan, Andriy; Ivanyuk, Volodymyr (Journal article; Peer reviewed, 2017)
      The article considers the methods of constructing simplified models of multidimensional heat conduction problems in the form of one-dimensional problems' solutions' products. The effectiveness of the proposed approach is ...
    • Specifics of the autonomous energy power unit dynamic processes’ modeling 

      Verlan, Andriy; Sagatov, Miraziz (Journal article; Peer reviewed, 2021)
      Significant features of modern autonomous power units, along with increasing complexity of structures and modes and increasing requirements for quality of operation, are the heterogeneity of their composition, the presence ...
    • Using Non-linear Integral Models in Automatic Control and Measurement Systems for Sensors’ Input Signals’ Recovery 

      Verlan, Andriy; Fedorchuk, V.A.; Ivaniuk, Vitalii; Sterten, Jo (Peer reviewed; Journal article, 2020)
      The article is devoted to developing methods of dynamic correction of signals registered at the output of a non-linear measuring transducer for the purpose to recover its input signal. Dynamic correction leads to decreased ...

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