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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Návrh a implementace algoritmu SLAM pro mobilní robot

Ondráček, Jan January 2015 (has links)
This diploma thesis deals with the implementation of selected simultaneous locali-zation and mapping (SLAM) algorithm for mobile robot and testing of this algo-rithm. In theoretical part there is a research that describes various existing SLAM algorithms. One of these algorithms is selected for the implementation based on the selected criteria at the end of the research. Practical part of the thesis deals with the implementation of selected SLAM algorithm in particular programming language and with its testing on real data. Computer simulation in which model of the robot travels through the model of Q Building of Mendel University in Brno is created for the purpose of testing.
2

Automated Reasoning Support for Invasive Interactive Parallelization

Moshir Moghaddam, Kianosh January 2012 (has links)
To parallelize a sequential source code, a parallelization strategy must be defined that transforms the sequential source code into an equivalent parallel version. Since parallelizing compilers can sometimes transform sequential loops and other well-structured codes into parallel ones automatically, we are interested in finding a solution to parallelize semi-automatically codes that compilers are not able to parallelize automatically, mostly because of weakness of classical data and control dependence analysis, in order to simplify the process of transforming the codes for programmers.Invasive Interactive Parallelization (IIP) hypothesizes that by using anintelligent system that guides the user through an interactive process one can boost parallelization in the above direction. The intelligent system's guidance relies on a classical code analysis and pre-defined parallelizing transformation sequences. To support its main hypothesis, IIP suggests to encode parallelizing transformation sequences in terms of IIP parallelization strategies that dictate default ways to parallelize various code patterns by using facts which have been obtained both from classical source code analysis and directly from the user.In this project, we investigate how automated reasoning can supportthe IIP method in order to parallelize a sequential code with an acceptable performance but faster than manual parallelization. We have looked at two special problem areas: Divide and conquer algorithms and loops in the source codes. Our focus is on parallelizing four sequential legacy C programs such as: Quick sort, Merge sort, Jacobi method and Matrix multipliation and summation for both OpenMP and MPI environment by developing an interactive parallelizing assistance tool that provides users with the assistanceneeded for parallelizing a sequential source code.
3

Desarrollo de sistemas de tiempo real basados en componentes utilizando modelos de comportamiento reactivos.

López Martínez, Patricia 23 September 2010 (has links)
El objetivo de la tesis es definir una metodología de desarrollo de aplicaciones de tiempo real basadas en componentes, orientada a aplicaciones cuyos requisitos temporales se especifican utilizando un modelo reactivo de comportamiento temporal. La metodología se construye en base a extensiones que incorporan a las especificaciones, modelos de referencia y procesos estándares propios de la ingeniería de componentes convencionales, esto es, sin requisitos temporales, los datos y los procesos necesarios para la especificación, diseño y análisis de los aspectos relativos al comportamiento temporal. La metodología se sustenta en cuatro contribuciones principales:- Se propone la metodología de modelado modular del comportamiento temporal Mod-MAST, que permite construir el modelo de una aplicación basada en componentes por composición de los modelos de los componentes que la forman. - Se propone la extensión RT-D&C de la especificación Deployment and Configuration of Component-based Distributed Applications de OMG, que permite incluir metadatos relativos a comportamiento temporal en los descriptores de componentes, plataformas de ejecución y aplicaciones. - Se especifica la tecnología de componentes RT-CCM como una extensión de la especificación estándar Lightweight CCM de OMG, que añade los mecanismos necesarios para desarrollar aplicaciones con comportamiento temporal predecible.- Se propone la tecnología de componentes Ada-CCM como implementación concreta de RT-CCM basada en el lenguaje de programación Ada 2005.Todos estos elementos se integran en un proceso completo de diseño de tiempo real de aplicaciones basadas en componentes. / The objective of this work is to define a methodology for the development of real-time component-based applications, focused on applications whose timing requirements are specified according to a reactive model of the timing behaviour. The methodology is built through a set of extensions that incorporate to the standard specifications, reference models and processes typical from the conventional components engineering, i.e. components without timing requirements, the data structures and the processes required for the specification, design and analysis of the aspects related to timing behaviour. The methodology relies on four main contributions:- The Mod-MAST modular modelling methodology, which allows building the real-time model of a component-based application by composing the models of the components that form it.- The RT-D&C extension of the Deployment and Configuration of Component-based Distributed Applications Specification of the OMG, which allows including metadata related to timing behaviour in the descriptors of components, execution platforms and applications.- The RT-CCM components technology, which is an extension of the standard Lightweight CCM Specification of the OMG that incorporates mechanisms to develop applications with predictable timing behaviour.- The Ada-CCM components technology has been developed. It is an implementation of the RT-CCM technology based on the Ada 2005 programming language.All these elements have been integrated in a complete real-time design process for component-based applications.

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