User profiles for Roman V. Kochan

Roman Kochan

Lviv National Polytechnic University
Verified email at polynet.lviv.ua
Cited by 889

Development of the integrating analog-to-digital converter for distributive data acquisition systems with improved noise immunity

RV Kochan, OM Berezky, AF Karachka… - IEEE Transactions …, 2002 - ieeexplore.ieee.org
Requirements for the noise immunity of the universal ADC for sensor signal conversion are
formulated. The structure of the antijamming dual slope ADC for use in distributive adaptive …

[PDF][PDF] Formation and Implementation of Eco-Oriented Innovation Strategies for Enterprises.

M Odrekhivsky, U Kohut, RV Kochan, U Kostyuk - COLINS (3), 2023 - ceur-ws.org
The paper studies approaches to the formation and implementation of eco-oriented
innovation strategies, types and main properties of eco-innovations. Eco-oriented innovative …

Image compression using fractal functions

O Svynchuk, O Barabash, J Nikodem, R Kochan… - Fractal and …, 2021 - mdpi.com
The rapid growth of geographic information technologies in the field of processing and
analysis of spatial data has led to a significant increase in the role of geographic information …

Thermocouples with built-in self-testing

S Jun, O Kochan, R Kochan - International journal of thermophysics, 2016 - Springer
The aim of this paper is to create a method of built-in self-testing of thermocouples in situ.
This aim is achieved by using the equivalent operating time of the thermocouple. The method …

Blockchain technologies: Probability of double-spend attack on a proof-of-stake consensus

M Karpinski, L Kovalchuk, R Kochan, R Oliynykov… - Sensors, 2021 - mdpi.com
Two double-spend attack strategies on a proof-of-stake consensus are considered. For
each strategy, the probability of its success is obtained, which depends on the network …

The control system of the profile of temperature field

N Vasylkiv, O Kochan, R Kochan… - 2009 IEEE International …, 2009 - ieeexplore.ieee.org
There is proposed method of control which could be implemented for heaters situated across
electrodes of the main thermocouple and provides stabilization profile of temperature field. …

Approaches of voltage divider development for metrology verification of ADC

R Kochan, O Kochan, M Chyrka, S Jun… - 2013 IEEE 7th …, 2013 - ieeexplore.ieee.org
It is presented the method of testing signal generation for ADC's integral nonlinearity identification
in testing point using measurement converter based on multi-resistors voltage divider …

Assessment of hazardous household waste generation in Eastern Europe

V Ishchenko, V Pohrebennyk, R Kochan… - … 6, 2019. Vol. 19, iss. 6 …, 2019 - ir.lib.vntu.edu.ua
Hazardous household waste (HHW) is a small but the most dangerous fraction of household
waste. Different studies estimate their content in household waste from 0.1 to 1%. In Eastern …

Data science applications to improve accuracy of thermocouples

…, O Kochan, M Mykyichuk, R Kochan… - 2016 IEEE 8th …, 2016 - ieeexplore.ieee.org
This paper considers the usage of artificial intelligence, in particular, neural networks, to
correct and compensate thermocouple errors. There are the correction of the thermocouple …

The etalon models of linguistic variables for sniffing-attack detection

…, A Korchenko, P Vikulov, R Kochan… - 2017 9th IEEE …, 2017 - ieeexplore.ieee.org
Intensive development of information systems has led to an increase in malicious software,
which is associated with the emergence of new types of cyber attacks. Expanding impact of …