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Simulation and synchronization of distributed real-time systems
Linköping University, Department of Electrical Engineering, Vehicular Systems.
Linköping University, Department of Electrical Engineering, Vehicular Systems.
2010 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Simulering av distribuerade realtids system i Stateflow och TrueTime (English)
Abstract [en]

Today we are very much dependent on different kinds of real time systems. Usually,a real time system is a system which is interacting with a physical environmentwith sensors or activators. There are many advantages by replacing mechanicalcomponents with electrical ones. For instance, it is usually cheaper and possibleto add new functions to the device without replacing the electronic part, whichwould have been necessary with a mechanical one.The possibility of simulating a distributed system is used throughout the vehi-cle industry. With the simulation of connected sub systems, using modeled busesand real time kernels, one could increase the correctness of the behavior of the sys-tem and consequently decrease the amount of time spent later in the developingprocess.In this master thesis we used modeled CAN-buses and real time models tosimulate the connection and execution time of the systems. The simulation resultsare used to validate the functionality of the distributed system. Additionally, aworst-case response time analysis is made to set timing constraints on the systemto fulfill given deadlines.During the work, different settings of the network are tested to analyze thesystem frequency needed to sustain deadlines and correctness on the network.

Place, publisher, year, edition, pages
2010. , 63 p.
Keyword [en]
Realtime, distributed, network, syncronization, TrueTime, Stateflow
National Category
Information Science
URN: urn:nbn:se:liu:diva-52784ISRN: LITH-ISY-EX--09/4161--SEOAI: diva2:285576
2009-02-13, Algoritmen, B-Huset, Linköping, 13:00 (English)
Available from: 2010-01-19 Created: 2010-01-12 Last updated: 2010-01-19Bibliographically approved

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Leuhusen, JoakimKarlsson, Andreas
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