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Real Time Embedded Systems Essay Example

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Real Time Embedded Systems

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Real Time Embedded Systems. For successful development of the software industry, especially in the case of embedded system it is essential to manage the evolution of a system. They are not stand alone or closed systems. They have to interact with various devices in the network, where every application needs a different software version. Software updates are needed for changes in the hardware, additional user requirements and new system and software architecture.There are companies which have developed methods, tools and process for software development of real time embedded software that takes care of evolution management. ‘Validation approach’ and ‘incremental requirement management’ are the two wings of evolution management, which define the evolution paths.

Evolution takes place naturally in a software system. Usually it occurs during maintenance. The systems that have reached the limit of evolution deserve to be replaced. In some systems the evolution takes place even during their regular operation. They are then considered to be adaptable.Semantically adaptable systems are of need to industry because they are capable of adapting to the changes with little interference from the organizations. The hardware configuration of embedded systems is restricted. So it is not possible to apply here those techniques meant for non embedded systems.The environment of a software system is changing rapidly everyday. And it is natural that the system adapts to such changes. It is necessary for the success of the industry. The adaptation is easy in the case of software architecture as the changes are only made to the components. As already mentioned, the adaptability techniques for embedded and non- embedded systems are different. This is because the embedded systems operate in a much difficult atmosphere. Software adaptability is a key non functional requirement (NFR) for evolving systems.The strategies to adapt embedded systems have to be understood by solving practical problems of vocabulary evolution. Many software architectures can be thus developed. And it is necessary to implement the codes that follow from these architectures.The implementation embedded system calls for modern approaches and not the usual hardware based notations. The importance of software in embedded systems design necessitates the careful study of the up-to-date methods of analyzing and specifying of the software. As a result of the Unified Modeling Language (UML) and. Real Time Embedded Systems.

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1) Wang , Yin ; Kelly, T.; Kudlur, M.; Mahlke, S.; Lafortune, S.

Discrete Event Systems, 2008. The application of supervisory control to deadlock avoidance in concurrent softwarehttp://ieeexplore.ieee.org/Xplore/login.jsp?url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel5%2F4595631%2F4605912%2F04605961.pdf%3Farnumber%3D4605961&authDecision=-203

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8) Real time embedded systems http://www.opengroup.org/rtforum/

9) Evolution Management and Process for Real-time Embedded Software Systems http://distrinet.cs.kuleuven.be/research/projects/showProject.do?projectID=empress

10) RTOS http://www.lynuxworks.com/

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