Претрага
468 items
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Fuzzy expert analysis of the severity of mining machinery failure
Mining machinery failure is almost an everyday occurrence. Usually the failures bare certain consequences, which require additional financial costs to repair and restore the system to its operational state. The consequences are viewed through negative and damaging effects a failure has on the machine, health and safety of the employees, work environment, and on the environment. The removal of the consequences of the failure requires additional financial investment, which has a negative impact on the company’s business. In order ...... mining machinery failure Dejan V. Petrović, Miloš Tanasijević, Saša Stojadinović, Jelena Ivaz, Pavle Stojković Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] Fuzzy expert analysis of the severity of mining machinery failure | Dejan V. Petrović, Miloš Tanasijević ...
... t Applied Soft Computing Journal journal homepage: www.elsevier.com/locate/asoc Fuzzy expert analysis of the severity ofminingmachinery failure Dejan V. Petrović a,∗, Miloš Tanasijević b, Saša Stojadinović a, Jelena Ivaz a, Pavle Stojković a a University of Belgrade, Technical Faculty in Bor, VJ ...
... Finally, the developed model should include the assessment of the failure severity presented in this paper. CRediT authorship contribution statement Dejan V. Petrović: Conceptualization, Methodology, Writing - review & editing. Miloš Tanasijević: Methodology, Supervision, Validation. Saša Stojadinović: ...Dejan V. Petrović, Miloš Tanasijević, Saša Stojadinović, Jelena Ivaz, Pavle Stojković. "Fuzzy expert analysis of the severity of mining machinery failure" in Applied Soft Computing, Elsevier BV (2020). https://doi.org/10.1016/j.asoc.2020.106459
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Fuzzy Model for Risk Assessment of Machinery Failures
The main goal of this research was the development of an algorithm for the implementation of negative risk parameters in a synthesis model for a risk level assessment for a specific machine used in the mining industry. Fuzzy sets and fuzzy logic theory, in combination with statistical methods, were applied to analyze the time picture state of the observed machine. Fuzzy logic is presented through fuzzy proposition and a fuzzy composition module. Using these tools, the symmetric position of the ...Dejan V. Petrović, Miloš Tanasijević, Saša Stojadinović, Jelena Ivaz, Pavle Stojković. "Fuzzy Model for Risk Assessment of Machinery Failures" in Symmetry, MDPI AG (2020). https://doi.org/10.3390/sym12040525
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Sustainable Modularity Approach to Facilities Development Based on Geothermal Energy Potential
The study presented in this paper assessed the multidisciplinary approach of geothermal potential in the area of the most southeastern part of the Pannonian basin, focused on resources utilization. This study aims to present a method for the cascade use of geothermal energy as a source of thermal energy for space heating and cooling and as a resource for balneological purposes. Two particular sites were selected—one in a natural environment; the other within a small settlement. Geothermal resources come ...геотермална енергија, Панонски басен, геотермална каскада, енергетска ефикасност, бањски центри, балнеологија, биоклиматска архитектура, стратегије пасивног дизајнирања, модуларни објектиNataša Čuković-Ignjatović, Ana Vranješ, Dušan Ignjatović, Dejan Milenić, Olivera Krunić. "Sustainable Modularity Approach to Facilities Development Based on Geothermal Energy Potential" in Applied Sciences-Basel, МDPI (2021). https://doi.org/10.3390/app11062691
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Kvantitativne karakteristike eksploatacionog režima podzemnih voda na izvorištu "Jaroš" - Sombor
Izvorište "Jaroš" formirano je na prostoru SOmbora. Podzemne vode koje se zahvataju na izvorištu sa ukupno 18 bunara koriste se za vodosnabdevanje grada Sombora, prigradskih i okolnih naselja. Podzemne vode se zahvataju iz zbijenog tipša izdani sa slobodnim nivoom kvartarne starosti. Hidrodinamički model režima podzemnih voda izrađen je u cilju analize eksploatacionog režima i bilansa podzemih voda na izvorištu "Jaroš". Primenom hidrodinamičkog modela zasnovanog na numeričkoj metodi konačnih razlika određen je bilans podzemnih voda za područje istraživanja predmetnog izvorišta, ...Dušan Polomčić, Jelena Ratković, Vesna Ristić Vakanjac, Dejan Tadić, Bojan Hajdin. "Kvantitativne karakteristike eksploatacionog režima podzemnih voda na izvorištu "Jaroš" - Sombor" in 17. Srpski simpozijum o hidrogeologiji sa međunarodnim učešćem, Pirot, 2-6 oktobar 2024, Beograd : Univerzitet u Beogradu - Rudarsko-geološki fakultet (2024). https://doi.org/10.5281/zenodo.13739557
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Hidrodinamičke karakteristike izvorišta "Pavliš" za vodosnabdevanje Vršca
Hidrodinamički model režima podzemnih voda izrađen je u cilju analize eksploatacionog režima i bilansa podzemnih voda na izvorištu "Pavliš" koje se koristi za vodosnabdevanje Vršca. Hidrodinamički model je formiran postupno: određivanjem veličine istražnog područja koje će biti obuhvaćeno modelom, zadavanjem broja slojeva posmatrano u vertikalnom profilu koji odgovaraju određenim realnim slojevima definisanim izvedenim istražnim radovima na terenu, diskretizacijom strujnog polja u planu i profilu, zadavanjem filtracionih karakteristika porozne sredine, zadavanjem graničnih uslova. Primenom hidrodinamičkog modela zasnovanog na numeričkoj metodi ...Dušan Polomčić, Jelena Ratković, Vesna Ristić Vakanjac, Dejan Drašković, Slavko Špadijer. "Hidrodinamičke karakteristike izvorišta "Pavliš" za vodosnabdevanje Vršca" in 17. Srpski simpozijum o hidrogeologiji sa međunarodnim učešćem, Pirot, 2-6 oktobar 2024, Beograd : Univerzitet u Beogradu - Rudarsko-geološki fakultet (2024). https://doi.org/10.5281/zenodo.13739589
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Hidrodinamičke karakteristike izvorišta "Nepričava" za vodosnabdevanje Lazarevca
Izvorište "Nepričava" nalazi se između sela Rubibreze i Slovca na ravničarskom terenu aluvijalne ravni reke Kolubare. Zahvatanje podzemnih voda za vodosnabdevanje Lazarevca vrši se preko šest bunara: Bla-3/3, Bla-4, Bla-7/2, Bla-9/2 i Bla-11, promenljivim kapacitetom od 100-130 l/s u zavisnosti od potreba potrošača. Podzemne vode se zahvataju iz karstno - pukotinske izdani pod pritiskom. Za potrebe ocene rezervi podzemnih voda na ovom izvorištu rađen je hidrodinamički model režima podzemnih voda. Hidrodinamički model je izrađen kao višeslojni model sa ukupno ...Dušan Polomčić, Jelena Ratković, Vesna Ristić Vakanjac, Dejan Drašković, Slavko Špadijer. "Hidrodinamičke karakteristike izvorišta "Nepričava" za vodosnabdevanje Lazarevca" in 17. Srpski simpozijum o hidrogeologiji sa međunarodnim učešćem, Pirot, 2-6 oktobar 2024, Beograd : Univerzitet u Beogradu - Rudarsko-geološki fakultet (2024). https://doi.org/10.5281/zenodo.13739612
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Хидротермалне промене у издвојеним стратиграфским јединицама у бушотини јужно од Бора
Павле Јовичић (2024)Анализом уступљених узорака из истражне бушотине јужно од Бора, од стране компаније Serbia Zijin Mining, утврђене су хидротермалне промене (алтерације) које прате стратиграфске чланове набушене самом бушотином. Установљене алтерације директно осликавају класично развиће порфирског Cu система, при чему је указано на њихову повезаност са минерализацијом, као и на потенцијалност самог истражног простора којем изабрана бушотина припада.Павле Јовичић. Хидротермалне промене у издвојеним стратиграфским јединицама у бушотини јужно од Бора, 2024
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Characterization of pellet samples obtained by peletization of limestone and seaweed
Vladimir Jovanović, Dejan Todorović, Branislav Ivošević, Dragan Radulović, Sonja Milićević, Dragana Nišić (2021)Vladimir Jovanović, Dejan Todorović, Branislav Ivošević, Dragan Radulović, Sonja Milićević, Dragana Nišić. "Characterization of pellet samples obtained by peletization of limestone and seaweed" in 52nd International October Conference on Mining and Metallurgy ‐ IOC 2021, University of Belgrade, Technical Faculty in Bor ; [co‐organizer Institute for Mining and Metallurgy Bor (2021)
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Recycling of carbonates into the deep mantle beneath central Balkan Peninsula: Mg-Zn isotope evidence
Mg i Zn izotopi, ciklus ugljenika, natrijski alkalni bazalti, orogeni pojas Tetisa, Balkansko poluostrvoZi-Tan Shu, Sheng-Ao Liu, Dejan Prelević, Vladica Cvetković, Shuguang Li. "Recycling of carbonates into the deep mantle beneath central Balkan Peninsula: Mg-Zn isotope evidence" in Lithos, Elsevier (2022). https://doi.org/https://doi.org/10.1016/j.lithos.2022.106899
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Late Jurassic radiolarites in the sub-ophiolitic mélange of the Fruška Gora (NW Serbia) and their significance for the evolution of the Internal Dinarides
Uroš Stojadinović, Nevenka Djerić, Dejan Radivojević, Nemanja Krstekanić, Miloš Radonjić, Bojana Džinić (2022)Uroš Stojadinović, Nevenka Djerić, Dejan Radivojević, Nemanja Krstekanić, Miloš Radonjić, Bojana Džinić. "Late Jurassic radiolarites in the sub-ophiolitic mélange of the Fruška Gora (NW Serbia) and their significance for the evolution of the Internal Dinarides" in Ofioliti (2022)
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Development of integrated fuzzy model for mine management optimization
Miodrag Čelebić, Sanja Bajić, Dragoljub Bajić, Dejan Stevanović, Duško Torbica, Vladimir Malbašić (2023)... Dragoljub Bajić, Dejan Stevanović, Duško Torbica, Vladimir Malbašić Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] Development of integrated fuzzy model for mine management optimization | Miodrag Čelebić, Sanja Bajić, Dragoljub Bajić, Dejan Stevanović, Duško ...
... Mining engineering DEVELOPMENI OF IN TEGRATED FUZZY MODEL FOR MINE MANAGEMENT OPTIMIZATION Miodrag Čelebić*, Sanja Bajić**, Dragoljub Bajić***", Dejan Stevanović**, Duško Torbica*, Vladimir Malbašić* Received on April 5, 2023 Presented by Ch. Roumenin, Member of BAS, on June 27, 2023 Abstract ...Miodrag Čelebić, Sanja Bajić, Dragoljub Bajić, Dejan Stevanović, Duško Torbica, Vladimir Malbašić. "Development of integrated fuzzy model for mine management optimization" in Comptes rendus de l'Académie Bulgare des Sciences (2023)
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Risk Evaluation: Brief Review and Innovation Model Based on Fuzzy Logic and MCDM
Stevan Djenadic, Milos Tanasijevic, Predrag Jovancic, Dragan Ignjatovic, Dejan Petrovic, Ugljesa Bugaric (2022)The risk assessment of engineering systems represents an important part of the quality of service and dependability. The existing methods for risk evaluation use crisp sets for rating partial indicators’ proposition and their cumulative products as an overall indicator. In this paper, existing FMEA and FMECA methods have been improved using the fuzzy expert system for calculating the risk priority number. The application of fuzzy logic allows the use of linguistic descriptions for risk analysis. In this way, the ...Stevan Djenadic, Milos Tanasijevic, Predrag Jovancic, Dragan Ignjatovic, Dejan Petrovic, Ugljesa Bugaric. "Risk Evaluation: Brief Review and Innovation Model Based on Fuzzy Logic and MCDM" in Mathematics, MDPI AG (2022). https://doi.org/10.3390/math10050811
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Challenges in using wastewater heat pumps in district heating systems
Dejan Ivezić, Marija Živković, Aleksandar Madžarević, Boban Pavlović, Dušan Danilović, Dimitrije Manić (2022)Decarbonization of district heating systems requires ensuring significant amounts of renewable energy available in the proximity of the district heating network. One of the promising solutions is the utilization of purified water from wastewater treatment plants by heat pumps. However, as a heat source, wastewater treatment plants are characterized by annual variability of the flow and temperature of purified water. The consequence is the variability of recoverable heat potential. In this paper, the effect of variability is analyzed for ...Dejan Ivezić, Marija Živković, Aleksandar Madžarević, Boban Pavlović, Dušan Danilović, Dimitrije Manić. "Challenges in using wastewater heat pumps in district heating systems" in 20th International Conference on Thermal Science and Engineering of Serbia, Niš, Serbia, October 18 – 21, 2022, Faculty of Mechanical Engineering in Niš (2022)
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Vulkaniti Karađorđevo formacije: novi podaci iz bušotina u srednjem Banatu
Vladica Cvetković, Milena Dunčić, Ivan Dulić, Predrag Cvijić, Dejan Prelević, Kristina Šarić. "Vulkaniti Karađorđevo formacije: novi podaci iz bušotina u srednjem Banatu" in 18. Kongres geologa Srbije „Geologija rešava probleme”, Divčibare, 1-4 jun 2022., Beograd : Srpsko geološko društvo (2022)
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Development of Integrated Fuzzy Model for Mine Management Optimization
Miodrag Čelebić, Sanja Bajić, Dragoljub Bajić, Dejan Stevanović, Duško Torbica, Vladimir Malbašić (2023)Technoeconomic, environmental and safety criteria generally affect the management of metallic and non-metallic mining operations. The first basic question that needs to be addressed when planning ore mining is which methods are adequate and what is the optimal mining technology? Due to the complex geologic framework of ore deposits, geological exploration has rendered synonymous the inherent uncertainties, vagueness, and inaccuracies. As a result, subjective evaluation by engineers and expert experience have become increasingly important. Given that the natural language ...Miodrag Čelebić, Sanja Bajić, Dragoljub Bajić, Dejan Stevanović, Duško Torbica, Vladimir Malbašić. "Development of Integrated Fuzzy Model for Mine Management Optimization" in Comptes rendus de l’Académie Bulgare des Sciences, Bulgarian Academy of Sciences (2023). https://doi.org/10.7546/CRABS.2023.09.12
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Applying the Fuzzy Inference Model in Maintenance Centered to Safety: Case Study – Bucket Wheel Excavator
Predrag Jovančić, Miloš Tanasijević, Vladimir Milisavljević, Aleksandar Cvjetić, Dejan Ivezić, Uglješa Bugarić (2020)Predrag Jovančić, Miloš Tanasijević, Vladimir Milisavljević, Aleksandar Cvjetić, Dejan Ivezić, Uglješa Bugarić. "Applying the Fuzzy Inference Model in Maintenance Centered to Safety: Case Study – Bucket Wheel Excavator" in Applications and Challenges of Maintenance and Safety Engineering in Industry 4.0 , Pennsylvania : IGI Global (2020). https://doi.org/10.4018/978-1-7998-3904-0
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Petroleum System Modeling of the Pannonian Basin: Insight from the Post Triassic Northern Banat, Serbia
Pigott John, Yilmaz Hulia, Magoon Andrea, Pigott Kulwadee, Radivojević Dejan, Milovanović Ivana (2010)Pigott John, Yilmaz Hulia, Magoon Andrea, Pigott Kulwadee, Radivojević Dejan, Milovanović Ivana. "Petroleum System Modeling of the Pannonian Basin: Insight from the Post Triassic Northern Banat, Serbia" in Proceedings of the XV Serbian Geological Congress with International Participation, Beograd:Srpsko geološko društvo (2010): 426-426
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A business intelligence approach to mine safety management
Ljiljana Kolonja, Ranka Stanković, Ivan Obradović, Olivera Kitanović, Dejan Stevanović, Marija Radojičić (2016)Ljiljana Kolonja, Ranka Stanković, Ivan Obradović, Olivera Kitanović, Dejan Stevanović, Marija Radojičić . "A business intelligence approach to mine safety management" in 13th International Symposium Continuous Surface Mining, Beograd : Yugoslav Opencast Mining Committee (2016)
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Photocatalytic degradation of textile dye with hydrothermally modified nanoanatase
Simović Bojana, Poleti Dejan, Kovač Sabina, Bjelajac Anđelika, Dapčević Aleksandra, Branković Goran (2015)Simović Bojana, Poleti Dejan, Kovač Sabina, Bjelajac Anđelika, Dapčević Aleksandra, Branković Goran. "Photocatalytic degradation of textile dye with hydrothermally modified nanoanatase" in 3rd Conference of the Serbian Society for Ceramic Materials 3rd Conference of the Serbian Society for Ceramic Materials 3rd Conference of the Serbian Society for Ceramic Materials, Beograd, Srbija :Institute for Multidisciplinary Research, University of Belgrade (2015): 82-82
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Optimisation the final countur of the open pit North mining district using the software package Whittle
Kržanović Daniel, Stevanović Dejan, Rajković Radmilo, Jovanović Milenko, Žikić Miodrag, Stojadinović Saša (2016)Kržanović Daniel, Stevanović Dejan, Rajković Radmilo, Jovanović Milenko, Žikić Miodrag, Stojadinović Saša. "Optimisation the final countur of the open pit North mining district using the software package Whittle" in 48th International October Conference on Mining and Metaullurgy, Bor:Technical Faculty in Bor (2016): 435-439