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Analysis of alternative fuels by type of transportation
No full textSmanjenje emisija štetnih plinova jedan je od glavnih ciljeva u sektoru transporta. Ono
je ključno kada su u pitanju klimatske promjene i poboljšanje kvalitete zraka. Transport je
jedan od najvećih izvora emisija stakleničkih plinova, posebno ugljikovog dioksida, koji
doprinosi globalnom zatopljenju. S ciljem smanjenja emisija štetnih plinova, dolazi do razvitka
različitih oblika alternativnih goriva, poput struje i vodika. Struja i vodik kao alternativna goriva
koriste se zbog svoje nezavisnosti od fosilnih goriva, efikasnosti, te mogućnosti korištenja iz
obnovljivih izvora energije. Potražnja za električnim automobilima sve je veća, dok se
automobili na vodik kao pogonsko gorivo još razvijaju. Primjena struje u različitim vrstama
transporta razvijenija je od primjene vodika, zbog njegovih nedostataka poput skladištenja i
transporta. Analizirane su tehničke, ekonomske i ekološke prednosti i nedostatci vodika i
struje kao pogonskih goriva u različitim vrstama prijevoza, uključujući gradski, pomorski i javni
gradski prijevoz.Reducing emissions of harmful gases is one of the main goals in the transport sector.
It is crucial when it comes to climate change and improving air quality. Transport is one of the
biggest sources of greenhouse gas emissions, especially carbon dioxide, which contributes to
global warming. With the aim of reducing harmful gas emissions, different forms of alternative
fuels, such as electricity and hydrogen, are being developed. Electricity and hydrogen are used
as alternative fuels because of their independence from fossil fuels, efficiency, and the
possibility of using renewable energy sources. The demand for electric cars is increasing, while
hydrogen cars as a fuel are still developing. The application of electricity in different types of
transport is more developed than that of hydrogen, due to its disadvantages such as storage
and transport. An analysis of the technical, economic and environmental advantages and
disadvantages of hydrogen and electricity as fuels in different modes of transport, including
urban, maritime and public urban transport has been carried out
The Impact of Information Systems on the Efficiency of Intermodal Transport
No full textIntegrirano svjetsko gospodarsko i logističko tržište počiva na učinkovitom
protoku roba, ljudi, informacija ,energije, i kapitala. Sinonim navedene integriranosti su
i globalni lanci opskrbe, kao jedna od osnovnih metafora globaliziranog i liberaliziranog
svjetskog tržišta. Srž međunarodne trgovine je protok robe kroz lanac opskrbe koji
spaja izvore sirovina, proizvodnju i distribuciju do krajnjeg korisnika. U takvim
globalnim lancima opskrbe, intermodalni prijevozni sustavi omogućuju fleksibilnu
prilagodbu dionika opskrbnog lanca zahtjevima po pitanjima troškovne učinkovitosti,
očuvanja životnog okoliša i održivog društvenog razvoja u cijelosti. Informacijski
sustavi dio su svakog ciljno orijentiranog sustava kao što su intermodalni sustavi u
transportu robe i u samoj logistici. U današnje vrijeme nužna je upotreba informacijsko
komunikacijskih sustava kako bi uspješno izvršili određene zahtjeve i ideje koje imamo
i koje se svaki dan mijenjaju. Svake godine dolaze velike promjene u razvoju
informacijskih sustava kako tehnologija napreduje, stoga je potrebno prilagođavat se i
iskoristit nove sustave ne samo u transportu i logistici već u obavljanju svakodnevnih
zadataka.At an integrated world economic and logistics market that relies on the efficient flow of
goods, people, energy, resources and capital. Global supply chains are synonyms of
the integration, as one of the basic metaphors of the globalized and liberalized world
market. The core of international trade is the flow of goods through a supply chain that
connects the sources of raw materials, production and distribution to the end user. In
such global supply chains, intermodal transport systems enable flexible adaptation of
supply chain stakeholders to requirements in terms of cost efficiency, environmental
preservation and sustainable social development as a whole. Information systems are
part of every goal-oriented system, such as intermodal systems in transport goods and
in logistics itself. Nowadays, it is unthinkable to use information and communication
systems in order to successfully implement certain requests and ideas that we have
and that change every day. Every year there are big changes in the development of
information systems as technology advances, therefore it is necessary to adapt and
use new systems not only in transport and logistics but in the performance of everyday
tasks
Analysis of the transport network in the last mile delivery
No full textOvaj rad analizira transportni sustav kapilarne distribucije bezalkoholnih pića, s
fokusom na organizaciju, prednosti i izazove ovog procesa. Efikasno planiranje ruta i
korištenje modernih tehnologija, poput GPS-a, ključni su za optimizaciju kapilarne
distribucije, no izazovi poput troškova, složenosti upravljanja i nedostatka vozača
također su prisutni. U radu su dani prijedlozi za poboljšanje postojećeg sustava
distribucije, uključujući unajmljivanje skladišnog prostora na otocima i stvaranje
vlastitog voznog parka kako bi se smanjili troškovi transporta. Ovakvim promjenama
očekuje se povećanje efikasnosti i smanjenje ukupnih troškova dok se osigurava
brza i točna isporuka proizvoda kupcima.This paper analyzes the transport system of last mile distribution of soft drinks,
focusing on the organization, advantages and challenges of this process. Efficient
route planning and the use of modern technologies, such as GPS, are key to
optimizing last distribution, but challenges such as costs, management complexity
and a lack of drivers are also present. This paper makes suggestions for improving
the existing distribution system, including renting warehouse space on the islands
and creating its own fleet to reduce transportation costs. Such changes are expected
to increase efficiency and reduce total costs while ensuring fast and accurate delivery
of products to customers
Comparative analysis of different implementations of 5G network architecture
No full textRad se bavi objašnjenjem ključnih tehnologija koje čine osnovu modernih
telekomunikacijskih mreža. Analizira se međuovisnost između 4G i 5G mreža kao i
potreba za IMS sustavom koji se proteže kroz više generacija mobilnih tehnologija. U
radu su detaljno objašnjeni pojmovi kao što su 4G mreže, IMS, virtualizacija te 5G
mreže, a fokus je stavljen na njihov međusobni odnos i funkcionalnosti u kontekstu
implementacije 5G tehnologije.
Poseban naglasak stavljen je na interoperabilnost između 4G i 5G mreža, kako
bi se omogućila nesmetana tranzicija korisnika i usluga iz starijih u novije mreže, te
kako bi se omogućilo istovremeno funkcioniranje obje mreže u prijelaznom razdoblju.
Zaključuje se da će 5G mreža, uz podršku IMS-a i virtualizacije, donijeti poboljšanja u
brzini, vremenu kašnjenja i kapacitetu mreže, omogućujući tako nove usluge i
aplikacije koje su ključne za razvoj industrije i društva.The paper focuses on explaining the key technologies that form the foundation
of modern telecommunication networks. It analyzes the interdependence between 4G
and 5G networks as well as the need for the IMS system, which spans multiple
generations of mobile technologies. The paper provides a detailed explanation of
concepts such as 4G networks, IMS, virtualization, and 5G networks, with an
emphasis on their interrelation and functionalities in the context of 5G technology
implementation.
Special emphasis is placed on the interoperability between 4G and 5G networks
to ensure seamless transitions for users and services from older to newer networks,
as well as to enable the simultaneous operation of both networks during the transition
period. It concludes that the 5G network, supported by IMS and virtualization, will bring
improvements in speed, latency, and network capacity, thus enabling new services
and applications that are crucial for the development of industry and society
Analysis of Wireless Communication Technologies in the Internet of Things
No full textRazvoj bežičnih tehnologija, kao i mreže, dovodi do stalnih promjena u već postojećim
tehnologijama. Također se otkrivaju nove mogućnosti koje neka tehnologija nosi sa sobom. Tako
se i bežične komunikacijske tehnologije, kratkog i dugog dometa, implementiraju kroz koncept
Interneta stvari. Završnim radom prikazano je koje su to bežične komunikacijske tehnologije
kratkog i dugog dometa, na koji način funkcioniraju te kroz koje načine se implementiraju u
koncept Interneta stvari. Također je prikazano kako poboljšanja i nove tehnologije, poput 5G
mreže, utječu na već postojeće koncepte te koji su glavni izazovi kada su u pitanju bežične
komunikacijske tehnologije u konceptu Interneta stvari.The development of wireless technologies, as well as networks, results in constant changes
in already existing technologies. There is also a presence of the discovery of new possibilities
which a certain technology brings. Through the concept of Internet of Things, in this way, wireless
communication technologies, both of short and long range, are also being implemented in this final
thesis. It is explained what exactly are the wireless communication technologies of short and long
range, as well as in what ways they function along with explanation of the ways through which
they are implemented in the concept of Internet of Things. What is also presented in this thesis is
how improvements and new technologies, i. e. 5G network, affect already existing concepts.
Finally, the main challenges regarding wireless communication technologies within the Internet of
Things concept are shown in this research
Application of Unmanned Aircraft Systems in Urban Areas
No full textPod pojmom bespilotni zrakoplov podrazumijeva se zrakoplov koji autonomno
izvodi operacije unaprijed programiranom letnom rutom ili se njime upravlja na daljinu
bez prisutnosti pilota u zrakoplovu. Svrha rada je istražiti uporabu bespilotnih
zrakoplova u civilne svrhe s posebnim naglaskom na uporabu u urbanim sredinama.
Cilj rada je ukazati na prednosti i nedostatke uporabe bespilotnih zrakoplova u urbanim
sredinama. Danas gotovo i ne postoji grana civilnog društva u kojoj bespilotna letjelica
nije pronašla mogućnost primjene. U urbanim sredinama značajnu primjenu pronašli
su u dostavljanju paketa, nadziranju, prikupljanju podataka te u kriznim situacijama,
itd. Njihova velika prednost je u tome što su bez posade te se pilote ne izlaže riziku.
Problemi koji se pojavljuju primjenom bespilotnih zrakoplova su kibernetička sigurnost,
zaštita privatnosti i sigurnost obavljanja letnih operacija.Unmanned aerial vehicle means aircraft without a pilot who flies autonomously
on a path which is preprogrammed or aircraft which is controlled by ground control
station. Purpose of this graduation thesis is to find where UAVs are used in civilian
application and where they will be used in urban areas. Also, advantages and
disadvantages of using UAVs in urban areas will be discussed in this thesis. Today is
very hard to find a field in the industry where UAVs didn’t find their purpose. In urban
areas UAVs will be used for delivering packages, surveillance, remote sensing and in
crisis (like earthquake, floods, etc.). Main advantage of using UAVs instead aircraft is
the fact that the pilots are not exposed to a risk. Problems that appear because of using
UAVs in urban areas are cyber security, privacy of citizens and safety of its flight
Analysis of Vehicle Effectiveness
No full textU ovom radu analizirat će se efektivnost transportnih sredstava, točnije osobnih vozila kroz izračune temeljene na stvarnim ulaznim podacima iz eksploatacije. Rad se sastoji od dva dijela, prvi dio je teoretski dok se u drugom djelu nalazi izračun efektivnosti kao i analiza dobivenih rezultata. Ideja rada je prikazati kako pojedini čimbenici utječu na efektivnost vozila te na koji način na nju možemo utjecati u cilju optimizacije poslovanja.This paper will analyze the effectiveness of means of transport, more precisely passenger vehicles through calculations based on real input data from exploitation. This paper consists of two parts, the first part is theoretical, while the second part contains the calculation of effectiveness as well as the analysis of the obtained results. The idea of this paper is to show how certain factors affect the effectiveness of the vehicle and how we can influence it in order to optimize business performace
Study of the Bus Line 136 Črnomerec - Špansko in the City of Zagreb
No full textGlavna značajka javnog prijevoza je dostupnost svima u istim uvjetima. Mora biti efikasan, unatoč gužvi, smanjenoj mobilnosti i vanjskim faktorima. Gradski javni prijevoz bitan je faktor u velikim gradovima te je mjerilo kvalitete života u gradu. Ovaj rad bavi se analizom autobusne linije 136 Črnomerec – Špansko i njenim statičnim i dinamičnim elementima. Cilj ovoga rada jest pomoću slika, tablica i grafova, na temelju prikupljenih podataka o vremenu i putnicima u jutarnjim i poslijepodnevnim vršnim periodima, utvrditi je li iskorištenost linije zadovoljavajuća te dobiti uvid u stanje brzine i vremena u prijevoznom procesu te predložiti poboljšanja za analiziranu liniju i ukazati na potencijalna problematična mjesta na liniji u kojima je sigurnost ranjivih korisnika narušena od strane vozila javnog prijevoza.The main characteristic of public transport is the availability to everyone equally. It must be efficient, with issues being congestion, mobility, and external factors. Urban public transport is an important factor in major cities, and the benchmark of quality of life in cities. This undergraduate thesis is a study of the bus line 136 Črnomerec - Špansko and its static and dynamic elements. The purpose of this undergraduate thesis is to determine if the utilisation of the line is satisfactory, to get insight on the state of speeds and times in the transport process, and, based on gathered data on travel time and passengers on the line in morning and afternoon peak periods, with the help of figures, tables and graphs, to propose improvements for the analysed line with indicating possible critical points on the line where the safety of vulnerable road users is compromised by public transport vehicles
Comparative analisys of different devices for performing inspections
No full textU Diplomskom radu analizirani su različiti pristupi mjerenju i dokumentiranju očevida prometnih nesreća: tradicionalna mjerna kolica i suvremeni uređaji za mjerenje na temelju senzora pokreta. Istraživanje je pokazalo da uređaji za mjerenje na temelju senzora pokreta, konkretno uređaj "Moasure One Pro" pruža značajne prednosti u preciznosti, brzini i efikasnosti obavljanja očevida u usporedbi s tradicionalnim mjernim kolicima. Vrijeme potrebno za obavljanje očevida bilo je znatno kraće kod uređaja za mjerenje na temelju senzora pokreta dok je prijenos podataka u softverske aplikacije kao što su "AutoCad" i "PC-Crash" bio gotovo trenutni. Zaključno, uvođenje naprednih tehnologija u svakodnevnu praksu može značajno poboljšati kvalitetu i učinkovitost očevida prometnih nesreća.In the thesis, various approaches to measuring and documenting traffic accident investigations were analyzed: traditional measuring wheels and modern motion sensor-based measuring devices. The research showed that motion sensor-based measuring devices, specifically the "Moasure One Pro" device, provide significant advantages in precision, speed, and efficiency in conducting investigations compared to traditional measuring wheels. The time required to conduct the investigation was significantly shorter with the motion sensor-based measuring devices, while data transfer to software applications such as "AutoCAD" and "PC-Crash" was almost instantaneous. In conclusion, the introduction of advanced technologies into everyday practice can significantly improve the quality and efficiency of traffic accident investigations
Comparative Analysis of Wreless Access Points in the IoT Environment
No full textU ovom radu analizira se povezivanje pametnih uređaja na Internet. Na početku je objašnjena ideja IoT-a („Internet of Things“ eng.), kao i njene izvedbe i načini umrežavanja uređaja. Navedeno je nekoliko pametnih uređaja koji se koriste u svakodnevnici, te njihova funkcija u izvedbi IoT. Prikazani su različiti načini i izvedbe komunikacijskih tehnologija koje pametni uređaji koriste za međusoban rad. Objašnjena je funkcija nadzora u IoT mreži, te kako se njena sigurnost može poboljšati i osigurati. Analiziran je način rada bežičnih pristupnih točaka i njihove izvedbe. Posebni osvrt je dan na Cambium Networks i Aruba Networks pristupne točke.This paper analyzes the connection of smart devices to the Internet. At the beginning, the idea of IoT (Internet of Things) was explained, as well as its implementation and ways of networking devices. Several smart devices used in everyday life and their function in IoT implementation are listed. Different methods and implementations of communication technologies used by smart devices for mutual work are presented. It explains the monitoring function in an IoT network and how its security can be improved and ensured. The mode of operation of wireless access points and their performance were analyzed. A special review is given to Cambium Networks and Aruba Networks access points