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    Model-based codesign for real-time embedded systems

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    Author
    Schulz, Stephan
    Issue Date
    2001
    Keywords
    Engineering, Electronics and Electrical.
    Computer Science.
    Advisor
    Rozenblit, Jerzy W.
    
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    Show full item record
    Publisher
    The University of Arizona.
    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
    Abstract
    This dissertation presents a model-based codesign framework for real-time embedded systems applications. The presented research provides a theoretical modeling foundation for the construction of design models and their implementation. Whereas most current codesign approaches leverage from a complete specification of an application design at the implementation level, a completely modular, implementation independent system level specification is pursued here. Benefits of the approach presented include: a stepwise refinement of abstract design models for complex applications, a larger design space for possible application implementations, a late design partitioning into hardware and software components, the representation of concurrency inherent to the application, as well as an implementations thereof on a parallel processing platform. A formal abstraction for a general, system level specification of real-time embedded systems is derived which may be used with a variety of executable discrete event modeling specifications. Furthermore, the construction of abstract design models from textual system specifications is discussed based on this abstraction as well as their correct refinement. A set of analysis methods which evaluate system simulation results is introduced to validate and improve abstracted design model performance during each refinement step. A direct transition from the design model to an efficient implementation is addressed though a model compilation algorithm which validates alternative processing platforms for a detailed design model specification against real-time constraints. In addition, a formal mapping of system model component specifications to implementation specifications is given. Separately, this model continuity problem is also addressed through a definition of a multi-level approach to the testing of integrated application implementation prototypes. The presented model-based codesign concepts are illustrated with an embedded systems application example.
    Type
    text
    Dissertation-Reproduction (electronic)
    Degree Name
    Ph.D.
    Degree Level
    doctoral
    Degree Program
    Graduate College
    Electrical and Computer Engineering
    Degree Grantor
    University of Arizona
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