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Dissertations / Theses on the topic 'Verilog hardware description language'

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Published: 5 June 2025

Last updated: 16 July 2025

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1

Pace, Gordon G. "Hardware design based on Verilog HDL." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298555.

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2

Chen, Adam Y. (Adam Yu-Chih). "Implementation of the Intel 486 SX microprocessor in Verilog hardware description language." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/79470.

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3

Ou, Jen-Chieh. "HARDWARE DESCRIPTION LANGUAGE PROGRAM SLICING AND WAY TO REDUCE BOUNDED MODEL CHECKING SEARCH OVERHEAD." Case Western Reserve University School of Graduate Studies / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=case1159738055.

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4

GURUMURTHY, ARAVIND. "COMPARISON OF BEHAVIOR OF MOSFET TRANSISTORS DESCRIBED IN HARDWARE DESCRIPTION LANGUAGES." University of Cincinnati / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1141363591.

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Feng, Zhiming Niu Guofu. "Compact modeling of SiGe HBTs using VERILOG-A." Auburn, Ala., 2006. http://repo.lib.auburn.edu/2006%20Summer/Theses/FENG_ZHIMING_19.pdf.

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6

Leija, Carlos Ivan. "An artificial neural network with reconfigurable interconnection network." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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7

Bäck, Carl. "Evaluation of high-level synthesis tools for generation of Verilog code from MATLAB based environments." Thesis, Luleå tekniska universitet, Institutionen för system- och rymdteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-78738.

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FPGAs are of interest in the signal processing domain as they provide the opportunity to run algorithms at very high speed. One possible use case is to sort incoming data in a measurement system, using e.g. a histogram method. Developing code for FPGA applications usually requires knowledge about special languages, which are not common knowledge in the signal processing domain. High-level synthesis is an approach where high-level languages, as MATLAB or C++, can be used together with a code generation tool, to directly generate an FPGA ready output. This thesis uses the development of a histogram as a test case to investigate the efficiency of three different tools, HDL Coder in MATLAB, HDL Coder in Simulink and System Generator for DSP in comparison to the direct development of the same histogram in Vivado using Verilog. How to write and structure code in these tools for proper functionality was also examined. It has been found that all tools deliver an operation frequency comparable to a direct implementation in Verilog, decreased resource usage, a development time which decreased by 27% (HDL Coder in MATLAB), 45% (System Generator) and 64% (HDL Coder in Simulink) but at the cost of increased power consumption. Instructions for how to use all three tools has been collected and summarised.<br>I ingångssteget på ett mätsystem är det av intresse att använda en FPGA för att uppnå höga hastigheter på de oundvikliga datafiltrering och sorterings algoritmer som körs. Ett problem med FPGAer är att utvecklingen ställer höga krav på specifik kunskap gällande utvecklingsspråk och miljöer vilket för en person specialiserad inom t.ex. signalbehandling kan saknas helt. HLS är en metodik där högnivåspråk kan användas för digital design genom att nyttja ett verktyg för automatgenerering av kod. I detta arbete har utveckling av ett histogram använts som testfall för att utvärdera effektivitet samt designmetodik av tre olika HLS verktyg, HDL Coder till MATLAB, HDL Coder till Simulink och System Generator for DSP. Utvecklingen i dessa verktyg har jämförts mot utvecklingen av samma histogram i Vivado, där språket Verilog använts. Arbetets slutsater är att samtliga verktyg som testats leverar en arbetsfrekvens som är jämförbar med att skriva histogrammet direkt i Verilog, en minskad resursanvändning, utvecklingstid som minskat med 27% (HDL Coder i MATLAB), 45% (System Generator) och 64% (HDL Coder i Simulink) men med en ökad strömförbrukning. En sammanställning av instruktioner för utveckling med hjälp av verktygen har även gjorts.

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8

Kasarabada, Yasaswy. "A Verilog Description and Efficient Hardware Implementation of the Baillie-PSW Primality Test." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1471347471.

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9

Park, Su-Hyun. "ADH, Aspect Described Hardware-Description-Language." Thesis, University of Canterbury. Electrical and Computer Engineering, 2006. http://hdl.handle.net/10092/1113.

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Currently, many machine vision, signal and image processing problems are solved on personal computers due to the low cost involved in these computers and the many excellent software tools that exist, such as MATLAB. However, computationally expensive tasks require the use of multi-processor computers that are expensive and difficult to use efficiently due to communications between the processors. In these cases, FPGAs (Field Programmable Gate Arrays) are the best choice but they are not as widely used because of lack of experience in using these devices, difficulties with algorithmic translation and immaturity of the design and implementation tools for FPGAs. Programming languages are always evolving and the programming languages for microprocessors have evolved significantly, from functional and procedural languages to object-oriented languages. Nowadays, a new paradigm called aspect-oriented software development (AOSD) is becoming more widespread. However, hardware programming languages have not evolved to the same extent as the software programming languages for microprocessors. They are still dominated by the technologies developed in 1980s, which have significant deficiencies described in this thesis. Recent advances in HDLs (Hardware Description Languages) have taken a conservative approach based on well-proven software techniques.

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10

Wang, Xiao-Lin 1955. "A TRANSLATER OF CLOCK MODE VHDL HARDWARE DESCRIPTION LANGUAGE." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/291295.

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11

Blumenthal, Carl. "Development of the NoGAP CL Hardware Description Language and its Compiler." Thesis, Linköping University, Department of Electrical Engineering, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-8865.

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<p>The need for a more general hardware description language aimed specifically at processors, and vague notions and visions of how that language would be realized, lead to this thesis. The aim was to use the visions and initial ideas to evolve and formalize a language and begin implementing the tools to use it. The language, called NoGAP Common Language, is designed to give the programmer freedom to implement almost any processor design without being encumbered by many of the tedious tasks normally present in the creation process. While evolving the language it was chosen to borrow syntaxes from C++ and verilog to make the code and concepts easy to understand. The main advantages of NoGAP Common Language compared to RTL languages are;</p><p>-the ability to define the data paths of instructions separate from each other and have them merged automatically along with assigned timings to form the pipeline.</p><p>-having control paths automatically routed by activating named clauses of code coupled to control signals.</p><p>-being able to specify a decoder, where the instructions and control structures are defined, that control signals are routed to.</p><p>The implemented compiler was created with C++, Bison, and Flex and utilizes an AST structure, a symbol table, and a connection graph. The AST is traversed by several functions to generate the connection graph where the instructions of the processor can be merged into a pipeline. The compiler is in the early stages of development and much is left to do and solve. It has become clear though that the concepts of NoGAP Common Language can be implemented and are not just visions.</p><br><p>Behovet av ett mer generellt hårdvarubeskrivande språk specialiseret för processorer och visioner om ett sådant gav upphov till detta examensarbete. Målet var att utveckla visionerna, formalisera dem till ett fungerande språk och börja implementera dess verktyg. Språket, som kallas NoGAP Common Language, är designat för att ge programmeraren friheten att implementera nästan vilken processordesign som helst utan att bli nedtyngd av många av de enformiga uppgifter som annars måste utföras. Under utvecklingsprocessen valdes det att låna många syntax från C++ och verilog för att göra språket lätt att förstå och känna igen för många. De största fördelarna med att utveckla i NoGAP Common Language jämfört</p><p>med vanliga RTL språk som verilog är; </p><p>-att kunna specificera datavägar för instruktioner separat från varandra och få dem automatiskt förenade med hjälp av tidsangivelser till en pipeline.</p><p>-att få kontrollvägar automatiskt dragna genom att aktivera namngivna klausuler med kod kopplade till kontrollsignaler. </p><p>-att kunna specifiera en avkodare som kontrollvägarna kan kopplas till där</p><p>kodning för instruktioner kan anges. </p><p>Kompilatorn som implementerats med C++, Bison och Flex använder sig av en AST struktur, en symboltabell och en signalvägsgraf. AST strukturen traverseras av flera funktioner som bygger upp signalvägsgrafen där processorns instruktioner förenas till en pipeline. Utvecklingen av kompilatorn är ännu bara i de första stadierna och mycket är kvar att göra och lösa. Det har dock blivit klart att det är möjligt att implementera koncepten i NoGAP Common Language och att de inte bara är lösa visioner. </p>

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12

Costi, Claudio. "A methodology for analyzing hardware description language specifications of legacy designs." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ58564.pdf.

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13

Dailey, David M. "Integration of VHDL simulation and test verification into a Process Model Graph design environment." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-11242009-020247/.

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14

Shah, Sandeep R. "A framework for synthesis from VHDL." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-03022010-020143/.

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15

Wright, Philip A. "Rapid development of VHDL behavioral models." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-11102009-020056/.

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Sama, Anil. "Behavior modeling of RF systems with VHDL." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-10102009-020211/.

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17

Rao, Sanat R. "A hierarchical approach to effective test generation for VHDL behavioral models." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-08042009-040513/.

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Macklin, Kendrick R. "Suitability of the SRC-6E reconfigurable computing system for generating false radar image." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Jun%5FMacklin.pdf.

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19

Koelmans, Albertus Maria. "STRICT : a language and tool set for the design of very large scale integrated circuits." Thesis, University of Newcastle Upon Tyne, 1996. http://hdl.handle.net/10443/2076.

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An essential requirement for the design of large VLSI circuits is a design methodology which would allow the designer to overcome the complexity and correctness issues associated with the building of such circuits. We propose that many of the problems of the design of large circuits can be solved by using a formal design notation based upon the functional programming paradigm, that embodies design concepts that have been used extensively as the framework for software construction. The design notation should permit parallel, sequential, and recursive decompositions of a design into smaller components, and it should allow large circuits to be constructed from simpler circuits that can be embedded in a design in a modular fashion. Consistency checking should be provided as early as possible in a design. Such a methodology would structure the design of a circuit in much the same way that procedures, classes, and control structures may be used to structure large software systems. However, such a design notation must be supported by tools which automatically check the consistency of the design, if the methodology is to be practical. In principle, the methodology should impose constraints upon circuit design to reduce errors and provide' correctness by construction' . It should be possible to generate efficient and correct circuits, by providing a route to a large variety of design tools commonly found in design systems: simulators, automatic placement and routing tools, module generators, schematic capture tools, and formal verification and synthesis tools.

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Read, Simon. "Formal methods for VLSI design." Thesis, University of Manchester, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239786.

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21

Wilhelm, Kyle. "Aspects of hardware methodologies for the NTRU public-key cryptosystem /." Online version of thesis, 2008. http://hdl.handle.net/1850/7774.

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22

Chadha, Vikrampal. "Simulation of large-scale system-level models." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-12162009-020334/.

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23

Honcharik, Alexander J. "Generation of VHDL from conceptual graphs of informal specifications." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06162009-063028/.

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24

Edwards, Carleen Marie. "Representation and simulation of a high level language using VHDL." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-11242009-020306/.

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Manek, Meenakshi. "Natural language interface to a VHDL modeling tool." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06232009-063212/.

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26

Van, Tassel John Peter. "Femto-VHDL : the semantics of a subset of VHDL and its embedding in the HOL proof assistant." Thesis, University of Cambridge, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308190.

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27

Yang, Lian. "The object-oriented design of a hardware description language analyser for the DIADES silicon compiler system." PDXScholar, 1990. https://pdxscholar.library.pdx.edu/open_access_etds/4260.

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28

Guthrie, Thomas G. "Design, implementation, and testing of a software interface between the AN/SPS-65(V)1 radar and the SRC-6E reconfigurable computer." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2005. http://library.nps.navy.mil/uhtbin/hyperion/05Mar%5FGuthrie.pdf.

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Goeke, James A. "Design of a hardware efficient key generation algorithm with a VHDL implementation /." Online version of thesis, 1993. http://hdl.handle.net/1850/11664.

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Yang, Ming-Jie. "Design and Implementation of a Compiler for an XML-based Hardware Description Language to Support Energy Optimization." Thesis, Linköpings universitet, Programvara och system, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-143655.

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GPU-based heterogeneous system architectures are popular as they combine the advantages of CPU with the benefits of GPU. Development of high-performance and power-efficient software for heterogeneous system architecture needs to take both hardware and software specifications into consideration, which leads the software development process to be more complicated. To simplify the software development process, Architecture Description Languages (ADLs) came out. By modeling the target architecture components into structural formats, programmers can adapt their software to the platforms which they used. XPDL is a modular and extensible XML-based platform description language which is mainly designed to support optimization.The purposes of this thesis are to design the query API (Application Programming Interface) and develop a compiler which translates the XPDL descriptors to libraries that implement the API to support programmers for the development of adaptive high-performance and energy-optimized software. In this thesis, we design and develop a compiler to generate the API according to the XPDL descriptors.The main workflow of the designed compiler is following: first, the toolchain validates the XPDL descriptors against XSDs. Second, it parses the descriptors into DOM trees and transforms them into XPDL model trees. Next, the compiler links all XPDL model trees together, which results in the intermediate representation (IR). Then, any unspecified node values which means the unknown attributes, are handled by microbenchmark generator and executor. In the end, the code generator generates the libraries which expose the API according to the information in the IR. Finally, a few example codes are discussed to show how the API can be used to develop performance adaptive applications on heterogeneous systems.

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Macklin, Kendrick R. "Benchmarking and analysis of the SRC-6E reconfigurable computing system." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Dec%5FMacklin.pdf.

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32

Barton, Jonathan L. "Hardware implementation of a synchronization state buffer in VHDL." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 67 p, 2008. http://proquest.umi.com/pqdweb?did=1459924801&sid=13&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Costa, Richard Maciel. "Metodologia e projeto de ferramenta para co-simulação entre VHDL e SystemC." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/276135.

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Orientadores: Sandro Rigo, Guido Costa Souza de Araujo<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Computação<br>Made available in DSpace on 2018-08-13T11:44:55Z (GMT). No. of bitstreams: 1 Costa_RichardMaciel_M.pdf: 4274440 bytes, checksum: 4094fea059358a9a5eb39c56aa5f1f3c (MD5) Previous issue date: 2008<br>Resumo: Em um passado recente os sistemas eram constituídos de partes discretas tais como microprocessadores, memórias e Application Specific Integrated Circuits (ASICs). Essa separação clara e simples tornava possível a especificação ser feita por uns poucos projetistas utilizando uma abordagem top-down: a partir de um modelo comportamental ou Register-Transfer Level (descritos em VHDL, por exemplo), progressivamente refinando o modelo ate o nível Transistor-to-Transistor. Entretanto, o avanço contínuo do processo de miniaturização de transistores possibilitou a criação de sistemas completos integrados em um único chip (também chamados de System-on-chip). Dado que esses sistemas s~ao tipicamente constituídos por diversos componentes complexos, um nível mais alto de abstração - o de sistema - foi criado, juntamente com suas linguagens associadas (como a linguagem SystemC), para facilitar o trabalho dos projetistas. As linguagens utilizadas para modelar no nível de sistema são diferentes das linguagens utilizadas para modelar nos níveis comportamental e Register-Transfer. Assim, surge o problema de como co-verificar componentes descritos em diferentes níveis de abstração; característica desejável para projetos de grande porte, já que fornece uma garantia de interoperabilidade entre os componentes no sistema final. Este trabalho, então, apresenta uma metodologia para resolver o problema de co-simulação entre a linguagem de descrição de hardware VHDL e a linguagem de descrição de sistema SystemC através do uso da Verilog Procedural Interface (VPI). Alem da metodologia em si, descreve-se o trabalho no sentido de criar um arcabouço para validar a metodologia e testes comparativos entre a implementação feita e uma ferramenta comercial popular.<br>Abstract: In a recent past, systems were mostly constituted by well-separated parts such as microprocessors, memories and Application Specific Integrated Circuits (ASICs). That simple and clear organization allowed entire systems to be designed by only a few designers through a top-down approach: from the behavioral or register transfer model (using VHDL, for instance) advancing to the transistor-to-transistor level. However, the continuous advance of the process of shrinking transistors made it possible to create entire systems integrated in a single die (called System-on-chip). Because these systems are usually constituted by many complex components, a higher abstraction level - the system level - was created, together with the associated languages, to ease the work of the designers. The languages used to model on the system level are diferent from the languages used to model on the behavioral and register-transfer levels. Therefore, the problem of how to co-verify components written in diferent abstraction levels arises; this co-verification is desirable for big projects, since it provides a way to check if the components of the target system are working together. This project presents a methodology to solve the co-simulation problem between the hardware description language VHDL and the system description languagem SystemC through the use of the Verilog Procedural Interface (VPI). We describe the methodology and also describe the framework used to validate the methodology and comparative tests between this framework and a well-known comercial tool.<br>Mestrado<br>Arquitetura de Computadores<br>Mestre em Ciência da Computação

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Ardeishar, Raghu. "Automatic verification of VHDL models." Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03032009-040338/.

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35

Shrivastava, Vikram M. "Mapping conceptual graphs to primitive VHDL processes." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-05022009-040536/.

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36

Chu, Ming-Cheung. "Hazard detection with VHDL in combinational logic circuits with fixed delays." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-10062009-020040/.

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37

Nouman, Ziad. "Užití programovatelných hradlových polí v systémech průmyslové automatizace." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-234615.

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Tato disertační práce se zabývá využitím programovatelných hradlových polí (FPGA) v diagnostice měničů, využívajících spínaných IGBT tranzistorů. Je zaměřena na budiče těchto výkonových tranzistorů a jejich struktury. Přechodné jevy veličin, jako jsou IG, VGE, VCE během procesu přepínání (zapnutí, vypnutí), mohou poukazovat na degradaci IGBT. Pro měření a monitorování těchto veličin byla navržena nová architektura budiče IGBT. Rychlé měření a monitorování během přepínacího děje vyžaduje vysokou vzorkovací frekvenci. Proto jsou navrhovány paralelní vysokorychlostní AD převodníky (> 50 MSPS). Práce je zaměřena převážně na návrh zařízení s FPGA včetně hardware a software. Byla navržena nová deska plošných spojů s FPGA, která plní požadované funkce, jako je řízení IGBT pomocí vícenásobných paralelních koncových stupňů, monitorování a diagnostiku, a propojení s řídicí jednotkou měniče.

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Poetter, Alexandra Vanessa. "JHDLBits: An Open-Source Model for FPGA Design Automation." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/10121.

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Today's Field Programmable Gate Array (FPGA) research community could use an extensible tool flow enabling designers to examine new algorithms and new methods of interacting with FPGA configurations. One such flow is JHDLBits, which integrates two prominent FPGA design environments: JHDL and JBits. JHDLBits offers the low-level access and control provided by JBits with the high-level structural circuit design of JHDL. Furthermore, the JHDLBits flow provides greater control of resource manipulation, placement, and routing, and gives researchers a sandbox to explore advanced interactions with FPGA configurations. This thesis presents the overall architecture of the open-source JHDLBits project. Details are provided on how the core components -- JHDL, JBits3 for Virtex-II, the ADB connectivity database, and VTsim, a Virtex-II device simulator -- are linked together to provide an integrated design environment. Strategies and philosophies of the open source movement are also examined to successfully establish the support for and involvement of the FPGA research community throughout the JHDLBits open source endeavor.<br>Master of Science

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Pan, Bi-Yu. "Hierarchical test generation for VHDL behavioral models." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09052009-040449/.

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40

Palanisamy, Karthikeyan. "High Level Preprocessor of a VHDL-based Design System." PDXScholar, 1994. https://pdxscholar.library.pdx.edu/open_access_etds/4776.

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This thesis presents the work done on a design automation system in which high-level synthesis is integrated with logic synthesis. DIADESfa design automation system developed at PSU, starts the synthesis process from a language called ADL. The major part of this thesis deals with transforming the ADL -based DIADES system into a VHDL -based DIADES system. In this thesis I have upgraded and modified the existing DIADES system so that it becomes a preprocessor to a comprehensive VHDL -based design system from Mentor Graphics. The high-level synthesis in the DIADES system includes two stages: data path synthesis and control unit synthesis. The conversion of data path synthesis is done in this thesis. In the DIADES system a digital system is described on the behavioral level in terms of variables and operations using the language ADL. The digital system described in ADL is compiled to a format called GRAPH language. In the GRAPH language the behavior of a digital system is represented by a specific sequence of program statements. The descriptions in the GRAPH language is compiled to a format called STRU CT language. The system is described in the STRU CT language in terms of lists of nodes and arrows. The main task of this thesis is to convert the descriptions in the GRAPH language and the descriptions in the STRUCT language to the VHDL format. All the generated VHDL Code will be Mentor Graphics VHDL format compatible, and all the VHDL code can be compiled, simulated and synthesised by the Mentor Graphics tools.

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41

Sprunger, Steven J. "UML modeling for VHDL designs." Virtual Press, 2008. http://liblink.bsu.edu/uhtbin/catkey/1399192.

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Unified Modeling Language (UML) allows software engineers to use a standard way of expressing a design approach at a high level. The benefits of system modeling are well accepted in the software development community. Modeling of Very High Speed Integrated Circuit Hardware Description Language (VHDL) designs, for synthesizing into hardware, is a common practice also. The research herein looks at system modeling of a design using UML, in which there are both software and hardware components. The idea is to explore modeling of the system with the ability to abstract whether the implementation of a particular function is realized in software or hardware. The designer can then model/evaluate a given system design approach and later allocate functions to software and hardware, as appropriate to meet constraints such as performance, cost, schedule. Since using UML for software is a standard approach, this research investigates the UML to hardware path via VHDL.<br>Department of Computer Science

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42

Fanelli, Paul. "VHDL modeling and design of an asynchronous version of the MIPS R3000 microprocessor /." Online version of thesis, 1994. http://hdl.handle.net/1850/11157.

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43

Giannopoulos, Vassilis. "Efficient VHDL models for various PLD architectures /." Online version of thesis, 1995. http://hdl.handle.net/1850/12238.

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44

Singh, Balraj. "A parametrized CAD tool for VHDL model development with X Windows." Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03242009-040819/.

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45

Gadagkar, Ashish. "Timing distribution in VHDL behavioral models." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-10102009-020318/.

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46

Moustakas, Evangelos. "Design and simulation of a primitive RISC architecture using VHDL /." Online version of thesis, 1991. http://hdl.handle.net/1850/11229.

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47

Frandina, Peter. "VHDL modeling and synthesis of the JPEG-XR inverse transform /." Online version of thesis, 2009. http://hdl.handle.net/1850/10755.

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48

Oliveira, Alexandre Tomazati. "Detecção do complexo QRS em sinais cardiacos utilizando FPGA." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/264060.

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Orientador: Euripedes Guilherme de Oliveira Nobrega<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-15T01:47:19Z (GMT). No. of bitstreams: 1 Oliveira_AlexandreTomazati_M.pdf: 3226409 bytes, checksum: 06c44b66428a69ae6b8214fd07432ae6 (MD5) Previous issue date: 2009<br>Resumo: O eletrocardiograma (ECG) é uma ferramenta utilizada para o diagnóstico de cardiopatias e outras doenças. Este trabalho tem como objetivo a detecção do complexo QRS, com foco na onda R, que representa a contração dos ventrículos. Para isso, são apresentadas duas técnicas de processamento do sinal de ECG. A primeira utiliza o algoritmo proposto por Pan & Tompkins que consiste em um banco de filtros digitais. A segunda faz uso da transformada wavelet discreta, que permite a localização de características de sinais tanto no tempo quanto na frequência. É apresentado um comparativo da eficácia dos dois algoritmos com base na sua implementação através de FPGA, utilizando dois métodos, o processamento serial em microcontrolador programado em C e o paralelo inteiramente em VHDL, com o intuito de comparar os tempos de processamento. Os resultados sugerem que trabalhos futuros poderão ser baseados na investigação de outras famílias wavelets para a detecção do complexo QRS em sinais de ECG, bem como explorar outros métodos de implementação de filtros em FPGA.<br>Abstract: The electrocardiogram (ECG) is a tool used for diagnosis of diseases related to the heart. This work has the purpose of detecting QRS complex, focusing on the R wave, which represents the ventricles'contraction. It is presented two techniques of processing ECG signals. The first uses Pan & Tompkins algorithm based on digital filtering. The second uses the discrete wavelet transform, which represents the characteristics of the signal simultaneously in time and frequency. It is presented a comparison of the efficacy of both algorithms, which are implemented in FPGA, using serial processing based on a C programmed microcontroller, and parallel processing entirely in VHDL, with the purpose of comparing the time of processing. The results suggest that future work can be based on the investigation of other wavelets family for detecting QRS complex in ECG signals and other methods of implementing filters in FPGA.<br>Mestrado<br>Mecanica dos Sólidos e Projeto Mecanico<br>Mestre em Engenharia Mecânica

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Chen, Wei-chun. "Simulation of a morphological image processor using VHDL. mathematical components /." Online version of thesis, 1993. http://hdl.handle.net/1850/11872.

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Chen, Hao. "Simulation of a morphological image processor using VHDL. control mechanism /." Online version of thesis, 1993. http://hdl.handle.net/1850/11744.

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