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21.
Raziskava upravičenosti nakupa zelenega osebnega vozila
Denis Jurman, 2012, undergraduate thesis

Abstract: Dandanes vsi strmimo k optimalni izrabi prevoznega sredstva ter čim manjšim stroškom. Zato imajo nekatera vozila optimiziran motor z notranjim izgorevanjem ter dodelano aerodinamiko vozila in tehnologijo, ki avtomatično ali z opozorili opominja voznika k čim varčnejši vožnji in čim nižjimi izpusti ogljikovega dioksida. Pri drugih pa so dodali novo čistejšo tehnologijo, ki so jih poimenovali hibridna saj avtomobil uporablja tako motor z notranjim izgorevanjem kot tudi pogon na baterije. Zato smo našo raziskavo razdelili na pet odločitvenih modelov, s katero bomo primerjali zelena vozila in ugotavljali ali se trenutno izplača kupiti avto z najnovejšo zeleno tehnologijo.
Keywords: stroški, ogljikov dioksid, čista tehnologija, hibrid
Published: 01.11.2012; Views: 1172; Downloads: 85
.pdf Full text (1,06 MB)

22.
Uvedba računalniško podprtega sistema strežbe "Orderman" v Restavraciji in pivnici Štajerc
Roki Paličko, 2012, undergraduate thesis

Abstract: Tema diplomskega dela je uvedba računalniško podprtega sistema strežbe Orderman. Izhodiščni cilj je bil skrajšanje časa, potrebnega za sprejem, oddajo in postrežbo naročil, skrajšanje transportnih poti, povečanje kapacitete sprejetih naročil, izboljšanje splošnega zadovoljstva gostov in upravičiti vpeljavo sistema Orderman. Ta z vidika gosta omogoča hitrejšo in kvalitetnejšo strežbo, z vidika uporabnika pa enostavnejše in preglednejše beleženje in oddajanje naročil ter višjo storilnost. Vse naštete prednosti sovpadajo z osnovnimi načeli logistike v gostinstvu in logistike v splošnem. Ponuditi storitve v pravem času, na pravem mestu, ob čim nižjih stroških, v pravi količini in kakovosti. Z metodo opazovanja smo pridobili informacije o poteku strežbe pred in po uvedbi sistema Orderman. Metoda časovne analize je pokazala, kolikšno pridobitev predstavlja uvedba sistema Orderman, stroškovna analiza pa prikazuje časovno dobo povračila investicije v sistem.
Keywords: Logistika, logistika v gostinstvu, gostinstvo, strežba, Orderman, računalniško podprt sistem strežbe, optimizacija
Published: 13.10.2012; Views: 1297; Downloads: 134
.pdf Full text (1,31 MB)

23.
Uporaba svetovnega spleta kot medija za prenos logističnih informacij
Jure Lovrec, 2012, undergraduate thesis

Abstract: V diplomskem delu obravnavamo svetovni splet in celovite informacijske sisteme oziroma celovite programske rešitve za podjetja, pri katerih poteka nenehen tok izmenjave podatkov znotraj organizacije ali med poslovnimi partnerji. V ta namen predstavljamo ERP (Enterprise Resource Planing), njihove prednosti in slabosti, nato sledi sekvenčna predstavitev podzvrsti, ki sooblikujejo celovite rešitve informacijskih tehnologij, med katere uvrščamo elektronski način prenosa podatkov ali EDI (Electronic Data Interchange), ob tem pa pojasnjujemo dva sodobna formata za prenos podatkov, XML in JSON.
Keywords: ERP, EDI, JSON, XML
Published: 13.10.2012; Views: 1327; Downloads: 75
.pdf Full text (789,53 KB)

24.
Avtonomni sistemi na UM-FL : Televizija Slovenija 2
9radio or television broadcast

Keywords: logistika, študij, delavnice
Published: 05.06.2012; Views: 1335; Downloads: 15
URL Link to full text

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Specification PEARL constructs for embedded real-time systems co-design
Roman Gumzej, Matjaž Colnarič, 2002, original scientific article

Abstract: In the article a HW/SW co-design methodology is presented, which enables early reasoning about system integration as well as verification of the designs. Specification PEARL methodology is based on a specification language with the same name, whose ori-gins are in the standard Multiprocessor PEARL language. It has been enhanced by addi-tional components for asymmetrical multiprocessor systems design as well as by additional parameters for RTOS parameterisation and feasibility analysis. Timed State Transition Diagrams have been introduced for program/task modelling, supporting the PEARL pro-cess model. The resulting task models are easily translated to PEARL task prototypes. The methodology and its specification language components are being presented.
Keywords: embedded systems, real-time systems, co-design, modelling, PEARL
Published: 01.06.2012; Views: 1848; Downloads: 18
URL Link to full text

29.
Modeling distributed real-time applications with specification PEARL
Roman Gumzej, Shourong Lu, 2007, original scientific article

Abstract: The methodology of hardware/software co-design of embedded control systems with Specification PEARL is presented. Hardware and software are modeled with the language Specification PEARL, which has its origins in standard Multiprocessor PEARL. Its usefulness is enhanced for modeling hierarchical and asymmetrical multiprocessor systems, and by additional parameters for schedulability analysis. Graphical symbols are introduced for its constructs to enable graphical modeling while maintaining the semantical background. It is meant to be a superlayer for programs, based on the PEARL programming model. To model program tasks, Timed State Transition Diagrams have been defined. The model of a co-designed system is verified for feasibility with co-simulation. The resulting information should be used when considering changes in a current design with the goal of producing a temporally feasible model. To support dynamic re-configurations, configuration management is introduced into the models. Since UML is becoming a de facto standard also for designing embedded control systems, and since Timed State Transition Diagrams and State Chart Diagrams share great similarity, an interface of the methodology to UML 2 is defined, using UML's extension mechanisms.
Keywords: specification language, application modeling, co-design, co-simulation, configuration management, PEARL, UML
Published: 01.06.2012; Views: 1243; Downloads: 91
URL Link to full text

30.
A safety shell for UML-RT projects
Roman Gumzej, Wolfgang A. Halang, 2008, published scientific conference contribution

Abstract: A safety shell pattern was defined based on a reconfiguration management pattern, and inspired by the architectural specifications in Specification PEARL. It is meant to be used for real-time applications to be developed with UML-RT as described. The implementation of the safety shell features as defined by in [8], namely its timing and state guards as well as I/O protection and exception handling mechanisms, is explained. The pattern is parameterised by defining the properties of its components as well as by defining the mapping between software and hardware architectures. Initial and alternative execution scenarios as well as the method for switching between them are defined. The goal pursued with the safety shell is to obtain clearly specified operation scenarios with well defined transitions between them. To achieve safe and timely operation, the pattern must provide safety shell mechanisms for an application designed, i.e., enable its predictable deterministic and temporally predictable operation now and in the future.
Keywords: real-time systems, embedded systems, UML profiles, UML patterns, safety
Published: 31.05.2012; Views: 1180; Downloads: 147
URL Link to full text

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