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|Title:||Multiobjective Optimization Approach for a Portable Development of Reconfigurable Real-Time Systems: From Specification to Implementation|
|Title:||IEEE transactions on systems, man, and cybernetics|
|Year of Publication:||2019|
|Publikation type:||Journal Article|
|Abstract:||This paper deals with the reconfigurable real-time systems that should be adapted to their environment under real-time constraints. The reconfiguration allows moving from one implementation to another by adding/removing/modifying parameters of real-time software tasks which should meet related deadlines. Implementing those systems as threads generates a complex system code due to the large number of threads, which may lead to a reconfiguration time overhead as well as the energy consumption and the memory allocation increase. Thus this paper proposes a multiobjective optimization approach for reconfigurable systems called MO 2 R 2 S for the development of a reconfigurable real-time system. Given a specification, the proposed approach aims to produce an optimal design while ensuring the system feasibility. We focus on three optimization criteria: 1) response time; 2) memory allocation; and 3) energy consumption. To address the portability issue, the optimal design is then transformed to an abstract code that may in turn be transformed to a concrete code which is specific to a procedural programming (i.e., POSIX) or an object-oriented language (i.e., RT-Java). The MO 2 R 2 S approach allows reducing the number of threads by minimizing the redundancy between the implementation sets. By an experimental study, such optimization permits to decrease the memory allocation by 28.89%, the energy consumption by 40.2%, and the response time by 61.32%.|
|DOI of the first publication:||10.1109/TSMC.2017.2781460|
|URL of the first publication:||https://ieeexplore.ieee.org/document/8253880|
|Link to this record:||hdl:20.500.11880/27844|
|Date of registration:||20-Sep-2019|
|Faculty:||NT - Naturwissenschaftlich- Technische Fakultät|
|Department:||NT - Systems Engineering|
|Professorship:||NT - Prof. Dr. Georg Frey|
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