Претрага
543 items
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Optimizacija utovarno-transportnih sistema u funkciji planiranja površinskog kopa
Mirjana V. Banković (2018-07-13)Profitabilna eksploatacija sve složenijih ležišta je težak zadatak koji zavisi odtemeljnog procesa analize, planiranja i projektovanja rudnika. Izvodljiv strateškiplan mora da zadovoljava društvena, regulatorna, tehnološka, geometrijska iekonomska ograničenja. Kako bi se postigao osnovni cilj, odnosno profitabilnost iodrživost rudarskog projekta na duži period, neophodno je unapređenjematematičkih modela i informatičke podrške procesima planiranja i optimizacijekoji će omogućiti efikasnu realizaciju ovih ciljeva...tehnološki model, integralni model, planiranje, optimizacija,utovarno-transportni sistem, neto sadašnja vrednost projekta... in Australia. In: ONARGAN, P. T. (ed.) Mining Methods. InTech. Rumbaugh, J., Jacobson, I., Booch, G., 2004, Unified modeling language reference manual, the, Pearson Higher Education. Sabour, S., Wood, G., 2009, Modelling financial risk in open pit mine projects: implications for strategic decision-making ...
... Mining and Metallurgy, 75-80. Wright, G.,Czelusta, J., 2003, Mineral resources and economic development, Conference on Sector Reform in Latin America, Stanford Center for International Development, November 13-15, 2003. Stanford University,. Xiaoyu, B. V., Turczynski, G., Baxter, N., Place, D., Sinclair-Ross ...
... multi criteria decision making model for open pit mines equipment selection. Asia-Pacific Journal of Operational Research, 28 (03), 279-300. Bell, F. G., Donnelly, L. J., 2006, Mining and its Impact on the Environment, CRC Press. Benndorf, J., 2011, Investigating the variability of key coal quality ...Mirjana V. Banković. "Optimizacija utovarno-transportnih sistema u funkciji planiranja površinskog kopa" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2018-07-13)
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Optimising in electrical energy consumption in mining plants
Snežana Aleksandrović, Vesna Damnjanović, Ilija Jeftenić. "Optimising in electrical energy consumption in mining plants" in 17th International Symposium INFOTEH-JAHORINA 2018, Istočno Sarajevo : Elektrotehnički fakultet, Univerzitet u Istočnom Sarajevu (2018)
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Influence of DEM resolution on numerical modelling of debris flows in RAMMS - Selanac case study
Debris flows induced by intensive rainfall represent very hazardous phenomena in many parts of the World. Methods for prediction of runout distance of flow like mass movements are different and depending on the input data, rheology, and available or appropriate numerical solution. However, sometimes it is not easy to obtain pre event and post event high-resolution data in the rural or mountainous area. Thus, the topology of terrain is the most important input parameter for the every real case ...... the flow velocity U (Christen et al.,2010a, 2012; Bartelt et al., 2013): 𝑆𝑓 = μ𝜌𝑔𝐻 cos 𝜑 + 𝜌𝑔𝑢2𝜉 (4) where ρ is the mass density, g is the gravitational acceleration,𝜑 is the slope angle, and Hgcos 𝜑 is the normal stress on the overflowed surface. The tangent of the effective ...Jelka Krušić, Biljana Abolmasov, Mileva Samardžić Petrović. "Influence of DEM resolution on numerical modelling of debris flows in RAMMS - Selanac case study" in 4th Regional Symposium on Landslides in the Adriatic Balkan Region, 23-25 October 2019, Sarajevo, Bosnia and Herzegovina, Geotechnical Society of Bosnia and Herzegovina (2019). https://doi.org/ 10.35123/ReSyLAB_2019
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The optimization of auxiliary machinery in open-cast lignite mines: a case study of bulldozers
One of the most important prerequisites for the successful operation of the open-cast lignite mine is to carry out all the auxiliary works timely with the necessary quality. The most important and most commonly used auxiliary machines are bulldozers. Engaging time of bulldozers use is in direct relation with the coefficients of the time and capacity utilization of the continuous system for the excavation of coal and tailings, which indicates their importance. More than 100 bulldozers have been hired ...... period with increasing rate of failures. A о Area ог decreasing Area of constant Area ofincreased 3 failure rate , failure rate | failure rate G > » » д 1 ı — || ı о 1 || о || || — ı || ~ ı 1 c 1 ı ı 1 1 ı ı ı ı ı ı ı а зЖ - Time Figure 5. "Bath tub" curve, a relatioh ...Dragan Ignjatović, Predrag Jovančić, Stevan Đenadić, Ivan Janković, Ivica Ristović. "The optimization of auxiliary machinery in open-cast lignite mines: a case study of bulldozers" in 7th International Symposium Mining and Environmental Protection, University of Belgrade, Faculty of Mining and Geology, Belgrade, Serbia (2019)
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Energetska efikasnost elektromotora na površinskim kopovima
Snežana Aleksandrović, Ilija Jeftenić (2023)Snežana Aleksandrović, Ilija Jeftenić. "Energetska efikasnost elektromotora na površinskim kopovima" in 11. Međunarodna konferencija “Ugalj i kritični materijali" CCM 2023, Zlatibor, 11-14. oktobar 2023. , Beograd : Jugoslovenski komitet za površinsku eksploataciju (2023)
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Стање квалитета амбијенталног ваздуха на подручју града Панчева
Александар Маринковић (2024)Квалитет ваздуха је кључни фактор за здравље људи и очување животне средине. У овом завршном раду анализирано је стање амбијенталног ваздуха на територији града Панчева како би се сагледали извори загађења, ПЛН мониторинга и изазови у погледу квалитета ваздуха са којима се суочавају сви становници. Кроз примену савремених метода праћења, идентификовани су главни извори загађења и анализирана је дистрибуција загађујућих материја у урбаном окружењу.Праћењем концентрације загађивача као што су честице PM10, PM2.5, сумпор-диоксид (SO2), азот-диоксид (NO2) и други, ...... 2010.a. opanuue monepaHuuje npeMa 5 |y |} NJ = o .. m o IK= : - 3arabyjyha Marepuja Tlepnoji -OE š š ?, I:5— š !| , ycpejnbaBabba SS EB 8 SB|G š d3 zmn SSS BI | BR RR m O S AO ERISB & š PR O R|TB a | ON Pi o o 1h 350 24x 500 - – CyMop-JIHOKCHJI 24 h 125 3x 125 50 75 Kanenrynapcka roniHa ...
... ronMHy 180 ? o 160 | pj Ž 140 š F3 120 H ii 100 [ ... 80 = -i 60 o | | d 40 EI d 20 o = 0 OJ ngg) @@ć QQ•X“\\ Ž „ t — “ Ć ?g)* m Average of BarporacHM > OM Meceun p— Average of Uapa JlyuiaHa Cnuka &8.3.2 Makcuanna 1-uacoena koHuenmpauuja npuseMHoe o3oHa 3a 2023. zo0uny ...
... AnHamma y3opka y maOoparopuju, GriessSaltzmann-ov MerojJi (crekTpo(boToMerpuja). PegynrrarH Mepebba cy rpakanaaHu y TaOemu 8.6.1. a Ha caHKaMa 8.6.1. g 8.6.2. TpanmuHa BpeHOCT a3oT-/HOKCHAN 30 jemHy romMHy MsaHOcH IB (Ir) = 40 Hg/m2, a TojtepaHTHa BPeJIHOCT 342 jenHy romaHy HaHocH TB (Ir) = 44 uHg/m* ...Александар Маринковић. Стање квалитета амбијенталног ваздуха на подручју града Панчева, 2024
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Хидрогеохемијске карактеристике и квалитет вода слива Требишњице, Република Српска, Босна и Херцеговина
Dragoslav R. Banjak (2016-08-25)Упркос неповољном временском и просторном распореду, воде су најзначајнијиприродни ресурс Источне Херцеговине. Ова чињеница довела је до реализацијепројекта „Вишенамјенског хидросистема Требишњица“, којим је, премаМилановићу (2006), до сада обухваћено: седам хидроелектрана, шестакумулација, шест брана, шест тунела укупне дужине 59,7 km, неколикоприступних тунела, 62,5 km бетонског канала кроз Попово поље, канал крозДабарско (6750 m) и Фатничко поље (2770 m) и систем тунел-канал или цјевоводпрема Дубравама.У почетку са доминантним енергетским предзнаком, концепција јетрансформисана у интегрално рјешење вишенамјенског коришћења и заштитевода и животне ...хидрогеохемијски процеси, мултиваријантна статистичкаанализа, инверзно геохемијско моделовање, квалитет воде, употребиљивост водеза наводњавање, слив Требишњице... -uncertainty 0.05 0.05 -phases Calcite Dolomite Anhydrite Gypsum Halite H2O(g) CO2(g) -minimal -tolerance 1e-010 -mineral_water true END Драгослав Р. Бањак ...
... Хемијске формуле Калцит 1,590е-03 CaCO3 Доломит 3,176е-04 CaMg(CO3)2 Гипс 8,336е-06 CaSO4:2H2O Халит 1,680е-04 NaCl Вода 5,320е+01 H2O (g) Угљен-диоксид 3,217е-03 CO2 (g) Дијелови раствора (Solution fractions): 1. Требишњица у Горици 4,167е-02 2. Врело Омбле 1,000е+00 Код ...
... формуле Калцит -1.015e-03 CaCO3 Доломит 1,000е-05 CaMg(CO3)2 Гипс 1,255е-04 CaSO4:2H2O Халит -1,085е-04 NaCl Вода -2,498е+01 H2O (g) Угљен-диоксид -9,906е-04 CO2 (g) Дијелови раствора (Solution fractions): 1. Мушница у Срђевићима 1,450е-00 2. Извор Требишњице- ...Dragoslav R. Banjak. "Хидрогеохемијске карактеристике и квалитет вода слива Требишњице, Република Српска, Босна и Херцеговина" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-08-25)
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Multi-Criteria Approach for Selecting Optimal Dozer Type in Open-Cast Coal Mining
Ivan Janković, Stevan Đenadić , Dragan Ignjatović , Predrag Jovančić , Tomislav Šubaranović, Ivica Ristović (2019)... Applications of the Analytic Hierarchy Process; Springer Science & Business Media: New York, NY, USA, 2012; Volume 175. 4. Mohamadibadi, H.S.; Tichkowsky, G.; Kumar, A. Development of a Multi-Criteria Assessment Model for Ranking of Renewable and Non-Renewable Transportation Fuel Vehicles. Energy 2009, 34 ...
... hierarchy process (AHP). Ecol. Indic. 2016, 60, 644–654. [CrossRef] 19. Ecer, F. A hybrid banking websites quality evaluation model using AHP and COPRAS-G: A Turkey case. Technol. Econ. Dev. Econ. 2014, 20, 758–782. [CrossRef] 20. Mohammed, S.M.Z.; Mohd, A.R.; Singh, M.M. A Secure Mobile App Solution Using ...
... ; Ristović, I. Application of MCDA in selection of different mining methods and solutions. Res. J. 2018, 12, 171–180. [CrossRef] 26. Milentijevíc, G.; Nedeljkovíc, B.; Lekíc, M.; Nikíc, Z.; Ristovíc, I.; Djokíc, J. Application of a Method for Intelligent Multi-Criteria Analysis of the Environmental ...Ivan Janković, Stevan Đenadić , Dragan Ignjatović , Predrag Jovančić , Tomislav Šubaranović, Ivica Ristović . "Multi-Criteria Approach for Selecting Optimal Dozer Type in Open-Cast Coal Mining" in Energies, MDPI (2019). https://doi.org/https://doi.org/10.3390/en12122245
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A multi-criteria approach for assessing the potential of renewable energy sources for electricity generation: Case Serbia
When assessing the potential of renewable energy alternatives for electricity generation, it is necessary to implement a multi-perspective approach that includes economic, technical, environmental, and socio-political criteria. For the evaluation of criteria and alternatives, the Fuzzy Analytical Hierarchy Process (FAHP) method is applied. The obtained weights are formed according to the values of energy indicators and expert judgments. The use of a fuzzy numerical value scale for the assessment of expert judgments and energy indicators provides a more sensitive ...... Peniwati, K., 1998. Aggregating individual judgments and priorities with the analytic hierarchy process. European J Oper Res 108 (1), 165–169. Gajić, G., Mitrović, M., Pavlović, P., 2019. Chapter 4 - ecorestoration of fly ash deposits by native plant species at thermal power stations in Serbia. In: P ...
... based on new divergence measures for renewable energy sources selection. J Clean Prod 257 (2020), 120352. Rathi, R., Prakash, C., Singh, S., Krolczyk, G., Pruncu, C.I., 2020. Measurement and analysis of wind energy potential using fuzzy based hybrid MADM approach. Energy Rep 6 (2020), 228–237. Ren, J ...
... evaluation of renewable energy alternatives for electricity generation in a residential building. Renew Sustain Energy Rev 110, 101–117. Shen, Y., Lin, G., Li, K., Yuan, B., 2010. An assessment of exploiting renewable energy sources with concerns of policy and technology. Energy Policy 38 (8), 4604–4616 ...Boban Pavlović, Dejan Ivezić, Marija Živković. "A multi-criteria approach for assessing the potential of renewable energy sources for electricity generation: Case Serbia" in Energy Reports, Elsevier BV (2021). https://doi.org/10.1016/j.egyr.2021.02.072
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An Integrated Environment for Management and Exploitation of Linguistic Resources
Ranka Stanković, Ivan Obradović (2009)... French-Serbo-Croatian parallel texts”, in Mean- ingful Texts. The Extraction of Semantic Information from Monolin- gual and Multilingual Corpora, G. Barnbrook, P. Danielsson, M. Mahlberg (eds.), Birmingham: Univ. of Birmingham Press, pp. 166-178, 2005. [6] C. Krstev., R. Stanković, D. Vitas ...
... Phrases”, Polibits, Special section: Natural Language Processing, Journal of Research and Development in Computer Science and Engineering, ed. G. Sidorov (ed.), Centro Innovacion y Desarrollo Tecnologico en Computo, Instututo Politecnico Nacional, Mexico, vol. 37, pp. 14-20, 2008. [11] I. Obradović ...Ranka Stanković, Ivan Obradović. "An Integrated Environment for Management and Exploitation of Linguistic Resources" in Proceedings of the International Multiconference on Computer Science and Information Technology, Computational Linguistics – Applications Workshop (CLA09), Mrągowo, Poland, October 2009, Piscataway : IEEE (2009)
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Groundwater management by riverbank filtration and an infiltration channel, the case of Obrenovac, Serbia
Dušan Polomčić, Bojan Hajdin, Zoran Stevanović, Dragoljub Bajić, Katarina Hajdin. "Groundwater management by riverbank filtration and an infiltration channel, the case of Obrenovac, Serbia" in Hydrogeology Journal, Berlin, Heidelberg : Springer, International Association of Hydrogeologists (2013). https://doi.org/10.1007/s10040-013-1025-9
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Extraction of Bilingual Terminology Using Graphs, Dictionaries and GIZA++
Branislava Šandrih, Ranka Stanković (2020)U nauci, industriji i mnogim istraživačkim oblastima, terminologija se brzo razvija. Najčešće, jezik koji je „lingua franca“ za većinu ovih oblasti je engleski. Kao posledica toga, za mnoga polja termini domena su koncipirani na engleskom, a kasnije se prevode na druge jezike. U ovom radu predstavljamo pristup za automatsko izdvajanje dvojezične terminologije za englesko-srpski jezički par koji se oslanja na usaglašeni dvojezični korpus domena, ekstraktor terminologije za ciljni jezik i alat za usklađivanje delova. Ispitujemo performanse metode na domenu ...... 253 26,719 6,646 1,141 647 173 text 49,632 1,531 770 240 LIS-corp+ chunk 496,787 45,813 11,740 2,508 1,105 301 text 50,644 2,500 1,075 362 E n g -T E LIS-corp chunk 3 ,1 6 9 215,317 35,226 5,063 2,233 x x text 49,632 2,233 x x LIS-corp+ chunk 446,979 44,885 8,164 3,333 x x text 50,644 ...
... 45th annual meeting of the ACL on interactive poster and demonstration sessions, 177–180. Association for Computational Linguistics, 2007 Kontonatsios, G., M. Claudiu, Korkontzelos I., Thompson P and S. Anani- adou. “A Hybrid Approach to Compiling Bilingual Dictionaries of Medical Terms from Parallel Corpora” ...Branislava Šandrih, Ranka Stanković. "Extraction of Bilingual Terminology Using Graphs, Dictionaries and GIZA++" in Infotheca, Faculty of Philology, University of Belgrade (2020). https://doi.org/10.18485/infotheca.2019.19.2.6
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A Model for Determining Fuzzy Evaluations of Partial Indicators of Availability for High-Capacity Continuous Systems at Coal Open Pits Using a Neuro-Fuzzy Inference System
This paper presents a model for determining fuzzy evaluations of partial indicators of the availability of continuous systems at coal open pits using a neuro-fuzzy inference system. The system itself is a combination of fuzzy logic and artificial neural networks. The system availability is divided into partial indicators. By combining the fuzzy logic and artificial neural networks, a model is obtained that has the ability to learn and uses expert judgment for that learning. This paper deals with the ...системи, континуални системи експлоатације (роторни багер-транспортер-дробилично постројење), рударство, расположивост, меко рачунарство, фази логика, ANN, ANFISMiljan Gomilanović, Miloš Tanasijević, Saša Stepanović, Filip Miletić. "A Model for Determining Fuzzy Evaluations of Partial Indicators of Availability for High-Capacity Continuous Systems at Coal Open Pits Using a Neuro-Fuzzy Inference System" in Energies, MDPI AG (2023). https://doi.org/10.3390/en16072958
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Sistem poslovne inteligencije za upravljanje zaštitom na radu u rudarskoj industriji
Ljiljana R. Kolonja (2016-09-23)Postojeća organizacija zaštite na radu na površinskim kopovima uglja često nije umogućnosti da blagovremeno i tačno ukaže na nedostatke, koji mogu u bližoj ilidaljoj budućnosti da budu uzrok narušavanja bezbednosti radnika, ali i uzrokoštećenja materijalnih dobara rudnika. Nemogućnost donošenja pravovremenihodluka je moguće izbeći uvođenjem softverski podržanih sistema za praćenje ianalizu bezbednosti i zaštite na radu.Osnovni cilj ove doktorske disertacije je definisanje metodologije i razvoj modelasistema upravljanja zaštitom na radu, koji će omogućiti savremen, adekvatan isveobuhvatan način praćenja i analize ...... Decision Making. Springer. BERRY, M. J. & LINOFF, G. 1997. Data mining techniques: for marketing, sales, and customer support, John Wiley & Sons, Inc. BETTS, M. 2003. The future of business intelligence. Computer World, 14. BIRD, F. & GERMAIN, G. 1966. A new horizon in accident prevention ...
... te v za na ba vk u op re m e za z aš tit u» «E vi de nc ija iz ob la st i B ZR » «I zv eš ta j o k on tro li te hn ol oš ko g pr oc es a» «P la n za št ite n a ra du » «P la n ob uk e ra dn ik a» 41 Kao što se vidi sa slike 3.3., služba bezbednosti ...
... 2004. Continental airlines flies high with real‐time business intelligence. MIS Quarterly Executive, 3, 163‐176. BAARS, H. & KEMPER, H.‐G. 2008. Management support with structured and unstructured data—an integrated business intelligence framework. Information Systems Management ...Ljiljana R. Kolonja. "Sistem poslovne inteligencije za upravljanje zaštitom na radu u rudarskoj industriji" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-09-23)
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Испитивање магнетске сусцептибилности прашине антропогеног порекла
... opservacijama, što je veoma važno za ljude koji rade u udaljenim područjima daleko od laboratorija. Literatura [1] Pacyna, J. M., Pacyna, E. G. (2001). An assessment of global and regional emissions of trace metals to the atmosphere from anthropogenic sources worldwide. Environmental Reviews ...Дубравка Новичић, Весна Цветков, Весна Дамњановић. "Испитивање магнетске сусцептибилности прашине антропогеног порекла" in VII Меморијални научни скуп из заштите животне средине доцент др Милена Далмација Нови Сад, 01-02. април 2019, Природно-математички факултет, Департман за хемију, биохемију и заштиту животне средине (2019)
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Analiza pouzdanosti dozera angažovanih na površinskim kopovima RB Kolubara
U radu je izvršena uporedna analiza pouzdanosti transportnih sistema dozera koji rade na površinskim kopovima Rudarskog basena Kolubara. Period za koji je vršena analiza je prvih deset godina eksploatacije. Efikasnost tehnološkog procesa na otkopavanju korisne mineralne sirovine i otkrivke u velikoj meri zavisi od rada dozera. Iskorišćene su matematičke metode za aproksimaciju i identifikaciju zabeleženih vremena u radu, kako bi se dobili analitički pokazatelji pouzdanosti. Na ovaj način se bitno podiže kvalitet upravljanja procesom eksploatacije i održavanja mašina na ...... PR-754 Pengpui PD 320Y-1 Shantui SD32 5¸ SD32 W Dressta TD 25 H, M Extra, TD 25E Dressta TD 40 B, C, E, E Extra Stalowa Wola TD 25 G 14. oktobar TG 110 Slika 1. Zastupljenost dozera na površinskim kopovima kolubarskog basena U tablici 2 date su osnovne karakteristike dozera sa ...Filip Miletić, Dragan Milčić, Miloš Tanasijević, Miloš Milovančević. "Analiza pouzdanosti dozera angažovanih na površinskim kopovima RB Kolubara" in 10th International Conference Coal 2021, Jugoslovenski komitet za površinsku eksploataciju, Zlatibor (2021)
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Analysis of a simplified model for determining rock mass oscillation velocity at the Kovilovača open pit
... can conclude that all five models can be used for calculating the rock mass oscillation velocity. REFERENCES 1. Jayasinghe, B.; Zhao, Z.; Chee, A. G. T.; Zhou, H.; Gui, Y. Attenuation of rock blasting induced ground vibration in rock-soil interface. Jourma! of Rock Mechanics and Geotechnical Engineering ...Suzana Lutovac, Miloš Gligorić, Jelena Majstorović, Luka Crnogorac. "Analysis of a simplified model for determining rock mass oscillation velocity at the Kovilovača open pit" in 9th International Conference Mining and Environmental protection MEP, 24 – 27 May 2023, Sokobanja, Serbia, Belgrade : University of Belgrade-Faculty of mining and geology (2023)
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Synergy between the mineral deposit exploration and geothermal resources assessment on the example of "Valjevo" boron and lithium deposit in Serbia
Nebojša Atanacković, Vladimir Živanović, Ana Vranješ, Sava Magazinović, Marinko Toljić, Ana Arifović, Branislav Potić (2023)Exploration of mineral deposits involves a collection of vast data sets on geological characteristics of the area. These data can largely contribute to the assessment of the geothermal potential, which can lead to an increase in the share of geothermal resources in the energy mix of the extractive industry and the local community. On the example of the "Valjevo" B-Li deposit, data on structural settings and previous hydrogeological investigations were combined with the results of resource drilling and geophysical ...... the "Study of the Geothermal Potential of the City of Valjevo", funded by the company Euro Lithium Balkan d.o.o. REFERENCES 1. Levine, A.; Rhodes, G.; Kvien A. Mining G.O.L.D. (Geothermal Opportunities Leveraged Through Data): Exploring Synergies Between the Geothermal and Mining Industries. Golden ...Nebojša Atanacković, Vladimir Živanović, Ana Vranješ, Sava Magazinović, Marinko Toljić, Ana Arifović, Branislav Potić. "Synergy between the mineral deposit exploration and geothermal resources assessment on the example of "Valjevo" boron and lithium deposit in Serbia" in Proceedings 9th International Conference mining and environmental protection, MEP23, Sokobanja, 24-27th May 2023, Beograd : Univerzitet u Beogradu, Rudarsko-geološki fakultet (2023)
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Upotreba lidar tehnologije i digitalne fotogrametrije primenom iPhone pametnih telefona na primeru rudnika "Rudnik"
Nikola Mirković, Luka Crnogorac, Aleksa Paunović. "Upotreba lidar tehnologije i digitalne fotogrametrije primenom iPhone pametnih telefona na primeru rudnika "Rudnik"" in 15. Simpozijum „Rudarstvo 2024“ Održivi razvoj u rudarstvu i energetici, Vrnjačka banja, 21-24. maj 2024., Beograd : Institut za tehnologiju nuklearnih i drugih mineralnih sirovina (2024)
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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 ...... failures in the subsystem “diesel engine”. Subsystem Failure of Element Number of Failures Time to Failure (h) Time to Repair (h) D ie se l E n g in e Alternator 4 237, 739, 942, 2569 2.5, 4, 6.5, 8.2 Coolant hose leak 5 270, 410, 1487, 1736, 2056 1, 1.2, 3.5, 4.5, 6.8, Cooling fan blades bearings ...
... downtime due to failures in the subsystem “crushing”. Subsystem Failure of Element Number of Failures Time to Failure (h) Time to Repair (h) C ru sh in g Mill door bottom 7 129, 144, 539, 749, 1051, 1442, 1558 3, 4, 4, 5.5, 7, 7.7, 8 Mill lining fracture 16 35, 60, 69, 80, 84, 99, 100, 110, 266, 279 ...
... to failures in the subsystem “screening”. Subsystem Failure of Element Number of Failures Time to Failure (h) Time to Repair (h) S cr e e n in g Rubber shock absorber 3 891, 906, 3043 2.4, 3, 4.5 Failure in screen frame 13 20, 81, 133, 141, 158, 181, 206, 219, 228, 360, 766, 965, 1042 1.5 ...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