Intercriteria analysis to diagnose the reasons for increased fouling in a commercial ebullated bed vacuum residue hydrocracker

D Stratiev, I Shishkova, R Dinkov, I Kolev, G Argirov… - ACS …, 2022 - ACS Publications
The intercriteria analysis developed on the base of intuitionistic fuzziness and index
matrices was applied to evaluate processing data of the LUKOIL Neftohim Burgas H-Oil …

[PDF][PDF] ICrAData–software for InterCriteria analysis

N Ikonomov, P Vassilev, O Roeva - Int. J. Bioautomation, 2018 - intercriteria.net
ICrAData – Software for InterCriteria Analysis Page 1 ICrAData – Software for InterCriteria
Analysis Nikolay Ikonomov Institute of Mathematics and Informatics Bulgarian Academy of …

Defining consonance thresholds in intercriteria analysis: an overview

L Doukovska, V Atanassova, E Sotirova… - … Fuzziness and Other …, 2019 - Springer
The present paper aims to provide an overview of the development of the approaches
adopted in defining the consonance thresholds in the recently proposed method for decision …

Commercial investigation of the ebullated-bed vacuum residue hydrocracking in the conversion range of 55–93%

D Stratiev, S Nenov, I Shishkova, B Georgiev… - ACS …, 2020 - ACS Publications
The LUKOIL Neftohim Burgas vacuum residue hydrocracking has increased the vacuum
residue conversion from 55 to 93% as a result of a proper feed selection, optimal catalyst …

A hybrid approach for modular neural network design using intercriteria analysis and intuitionistic fuzzy logic

S Sotirov, E Sotirova, V Atanassova, K Atanassov… - …, 2018 - Wiley Online Library
Intercriteria analysis (ICA) is a new method, which is based on the concepts of index
matrices and intuitionistic fuzzy sets, aiming at detection of possible correlations between …

Investigation of relationships between petroleum properties and their impact on crude oil compatibility

D Stratiev, I Shishkova, A Nedelchev, K Kirilov… - Energy & …, 2015 - ACS Publications
Twenty-two crude oils around the world, from which 19 are processed in the LUKOIL
Neftohim Burgas (LNB) refinery, were characterized in the LNB research laboratory by …

Commercial ebullated bed vacuum residue hydrocracking performance improvement during processing difficult feeds

BE Georgiev, DS Stratiev, GS Argirov, A Nedelchev… - Applied Sciences, 2023 - mdpi.com
The Urals and Siberian vacuum residues are considered difficult to process in the ebullated
bed hydrocracking because of their increased tendency to form sediments. Their achievable …

[HTML][HTML] Comparison of different metaheuristic algorithms based on InterCriteria analysis

O Roeva, S Fidanova - Journal of Computational and Applied Mathematics, 2018 - Elsevier
In this paper InterCriteria analysis (ICrA), based on the apparatus of the Index Matrices and
the Intuitionistic Fuzzy Sets, is performed for a model parameters identification using …

Application of the InterCriteria decision making method to universities ranking

M Krawczak, V Bureva, E Sotirova, E Szmidt - Novel Developments in …, 2016 - Springer
In this paper we present an application of the InterCriteria Decision Making (ICDM)
approach to real data extracted from the Polish University Ranking System [13] in the years …

Modular neural network preprocessing procedure with intuitionistic fuzzy intercriteria analysis method

S Sotirov, E Sotirova, P Melin, O Castilo… - … 2015: Proceedings of …, 2016 - Springer
Modular neural networks (MNN) are a tool that can be used for object recognition and
identification. Usually the inputs of the MNN can be fed with independent data. However …