Browsing NTNU Open by Author "Fedorchuk, V.A."
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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 ... -
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 ... -
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 ...