TEHNIKA KVALITET IMS, STANDARDIZACIJA I METROLOGIJA 18 (2018) 6 875 (EMEXS) Prikaz kompjuterske aplikacije BOJANA V. , Iritel a.d. Beograd UDC: 005:620.9]:004.4 DOI: 10.5937/tehnika1806875J perspektiva. Mali broj studija U ovom radu je EMEXS u formi kompjuterske aplikacije, zasnovan primenu informacionih i komunikacionih tehnologija. U radu je opisan EMEXS ekspertski sistem, merenje efekata primene ovog ekspertskog sistema u privredi. ekspertski sistem, kompjuterska aplikacija 1. UVOD plek- snim primene novih energetskih politika. Evropska unija je usvojila energetsku strategiju do 2030. godine, po od 27% i smanjenje emisije CO2 za 40% [1]. m, [2]. Jedno od najperspektivnijih sredstava za postizanje po- [3]. Pobo- ati ogroman uti- - [4]. J komponenti - [5], a prikaz jednog od njih, u formi ekspertskog sistema, dat je kroz ovaj rad. U ovom radu, dat je prikaz ekspertskog sistema za EMEXS (eng. Energy Management Expert System), koji organizacije mogu da koriste kako bi ocenile svoj nivo zrelosti za i primenile potrebna po- put 23 e-mail: bojana.jovanovic.123@gmail.com Rad primljen: 06.07.2018. 07.09.2018. . Za kreiranje eks- autora Jo- standarda ISO 50001, CMMI (eng. Capability Matu- rity Model Integration) nivoima zrelosti i PDCA (eng. Plan-Do-Check-Act) ciklusu. Postoji podatak da je do sada izdato ukupno 20.216 sertifikata ISO 50001 ( je 69% 2015. godinu) [7], pa je ovo . , EMEXS je u skladu sa jednim od glavnih [8], usmeren na Savremeni trendovi na- energije [9]. Neki od primera su real-time sistemi [10], sistemi za modelovanje i optimizaciju [11], sis- [12], - menom cloud computing -a [13], itd. Industrijske ko- - kasnost u njihovim proizvodnim postrojenjima [14]. DNV GL [15] web ka- tore. Kolokotsa i saradnici [16] su prikazali sistem zasnovan na web tehnologiji za zgrade univerzitetskog naselja. Faia i saradnici [17] energije u stambenim zgradama. Sucic i saradnici [18] EKSPERTSKI SISTEM ZA 876 TEHNIKA KVALITET IMS, STANDARDIZACIJA I METROLOGIJA 18 (2018) 6 na prikup - ljenje za energiju SAD-a [19] je razvilo online apli- standarda ISO 50001. Mnogi radovi razmatraju kako se - [3]. Mali broj studija raz- . 2. PRIKAZ EKSPERTSKOG SISTEMA ZA - EMEXS Ekspertski sistem prikazan u ovom radu ima za cilj da obuhvati sve oblasti koje razmatra standard ISO 50001, kako bi pomogao organizacijama da sertifikuju - . Oblast u eks- pertskom sistemu , a pre- uzete su iz modela zrelosti autora i [6]. Ekspertski sistem je strukturiran kroz nivoe zre- losti, trendovi. 2.1. EMM50001, kao osnova za EMEXS U ovom radu je prikazan ekspertski sistem za EMEXS. Model zrelosti autora izabran je kao osnova si- stema. Na osnovu strukture pomenutog modela zrelosti [6], 21 modul: 1) , 2) Pri- - , 3) Imenovanje energetskog mena- , 4) Definisanje energetske politike, 5) Energe- tsko planiranje, 6) Identifikacija i vrednovanje zakon- skih i drugih zahteva koji se odnose na energiju, 7) Energetsko preispitivanje, 8) Uspostavljanje energe- tske poredbene vrednosti, 9) Definisanje indikatora energetske performanse, - bnih energetskih ciljeva i akcionih planova, 11) Pri- mena energetskih planova, sle- , 13) Interna i eksterna komunikacija, 14) Dokumentacija i zapisi energetskog menad , energetsku performansu, 16) Energetski efikasno projektovanje i modifikovanje zgrada, opreme, sistema i procesa, 17) Energetski efikasna nabavka, 18) Pra- , 19) In- , 20) Pri- mena korektivnih i preventivnih mera koje se odnose na energiju, od strane rukovodstva. preuzeti iz pomenutog modela zrelosti [6], tako da se nivo zrelosti dobija odgovaranjem na pitanja u okviru svakog modula, na svakom od nivoa zrelosti. U skladu pet nivoa zrelosti: , 2) Upravljan, 3) Defi- nisan, 4) Kvantitativno upravljan, i 5 ) Optimizovan. 2.2. EMEXS struktura i logika Ekspertski sistem EMEXS se sastoji od tri - sobno povezane jedinice (slika 1): Jedinica modula Ovde se nalazi 21 modul, gde svaki, kroz grupu pitanja, - ocenjivanje trenutnog nivoa zrelosti energije. - tnik i sistem bodovanja, preuzet iz pomenutog modela zrelosti [6]. Kao rezultat, korisnik dobija informaciju o sveukupnom nivou zrelosti organizacije, ali i o nivou zrelosti po svakom modulu. , korisnik , , kao i da odredi jake strane . Jedinica preporuka Na osnovu rezultata samo- ocenjivanja , kori- , u od- nosu na nivo koji je identifikovan samoocenjivanjem. Preporuke su prikazane sveukupno i po modulima, ta izabere samo one koja smatra korisnim. , ako primeni sve preporuke koje dobije u odnosu na ocenjen trenutni nivo. iz [6]. Jedinica alata Za svaku od preporuka koje daje - - varijante me- nata, kao i obrasce koji se mogu primeniti. Postoji sistem. Slika 1 Struktura ekspertskog sistema EMEXS TEHNIKA KVALITET IMS, STANDARDIZACIJA I METROLOGIJA 18 (2018) 6 877 2.3. Alat za samoocenjivanje, kao osnova za izradu preporuka Kada korisnik pokrene aplikaciju, odmah ulazi u upitnik za samoocenjivanje. Upitnik za samoocenji- vanje se sastoji od 21 pitanja. Za svako pitanje postoji pet odgovora, a korisnik bira samo jedan od odgovora. Svaki odgovor, zapravo, predstavlja nivo zrelosti. Odgovori koji se koriste u sistemu su osnova za kreiranje preporuka koje organizacija treba da primeni - rgije za jedan nivo. Slika 2 Primer dela upitnika za samoocenjivanje - navigacioni meni. 2.4. EMEXS Na osnovu rezultata samoocenjivanja, sistem omo- nivo. Preporuke su date sveobuhvatno i po modulima. Slika 3 Primer preporuka po modulima Slika 4 Primer sveobuhvatne preporuke Slika 5 zrelosti 2.5. alata ovog ekspertskog sistema. Na osnovu pretrage koncepti, . primeri iz prakse kako metodu. Gotovi obrasci da koristi u svojim procesima i praksama. Predlog strukture dokumenata sugestije kako . EKSPERTSKI SISTEM ZA 878 TEHNIKA KVALITET IMS, STANDARDIZACIJA I METROLOGIJA 18 (2018) 6 Slika 6 Slika 7 Primer alata s Slika 8 Primer alata sa gotovim obrascem Slika 9 Primer alata sa predlogom strukture doku- menta Alati su prikazani sveukupno, kao i po modulima, tako da korisnik ima pregled svih alata koji mu se nude, ali i onih koji se odnose na konkretni modul. (tabela 1). Vrste alata po oblas- tima Literatura Certification Europe [Internet]. 2017 [citirano 22.06.2018]. Dostupno na: http://certificationeurope.com/benefits-of-iso- 50001/ Leonardo Energy [Internet]. 2017 [citirano 11.12.2017]. Do- stupno na: https://help.leonardo-energy.org/hc/en-us/articles/- 201941411-What-are-the-benefits-of-energy-management- and-ISO-50001- BSI Group [Internet]. 2017 [citirano 11.12.2017]. 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I SMERNICE ZA DALJI RAD - ment energije EMEXS. Prednost EMEXS- [6], koji se zasniva na standardu ISO 50001, CMMI nivo- ima zrelosti i PDCA ciklusu. mo- , pa je samim tim pod kontro- lom korisnika. Jedinstveni je alat koji kombinuje sa- moocenjivanje, - . Ekspertski si- , nu- , u skladu sa zahtevima standarda ISO 50001 i nivoima zrelosti [6]. EMEXS-a od - vedeno da bi se prikazalo da je EMEXS univerzalno biti dodati novi alati za koje se utvrdi da su neophodni. Plan je da se testiranje sprovede u dve faze. U prvoj fazi, ekspertski eventualno sistem izmenio i uskladio sa preporukama EMEXS - za koji vremenski period, - mena EMEXS- , itd. U dru EMEXS-a. 4. ZAHVALNICE Ministarstva prosvete, nauke og razvoja, pod oznakom III 43008 Razvoj metoda, . - LITERATURA [1] Azuma H, Magnani S, Compared analysis of the economic and environmental benefits by using an energy management system in different European countries, Energy Procedia, Vol. 126, pp. 266-273, 2017. [2] International Energy Agency. 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Dostupno na: https://navigator.industrialenergytools.com/ [20] Cornell University - Department of Computer Sci- ence [Internet]. 2018 [citirano 16.05.2018]. Dostu- pno na: https://www.cs.cornell.edu/courses/cs- 3110/2010fa/lectures/lec18.html SUMMARY ENERGY MANAGEMENT EXPERT SYSTEM (EMEXS) PROPOSAL OF COMPUTER APPLICATION Today's organizations face complex expectations for energy savings. Many papers address aspects of how energy efficiency can be improved, but dominated by a technical perspective. The minority of studies picked up organizational aspect of energy management. This paper proposes an energy management expert system EMEXS in form of a computer application, based on the maturity model known in the literature, as one specific energy strategy model with innovative focus, based on contemporary trends which suggest the implementation of information and communication technology. The paper describes EMEXS system and its implementation challenges and opportunities. Also, the paper proposes some directions for future testing and measuring effects of applying. Key words: energy management, expert system, energy management software, computer application