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We measured synchronization performance of FlexRay for OSEKtime and described why we must consider synchronization performance. Previous studies present scheduling methods for time-triggered systems when ideal constraints WCET(Worst Case Execution Time), deadline, resource dependency, etc.) are given. However, there are some differences between real distributed systems and ideal constraints. Because...
As the number of electronic control units (ECUs) in vehicles increases, ECUs can create a large and complicated in-vehicle network. Therefore, in-vehicle networks need a network management algorithm for improved reliability. The open system and corresponding interfaces for automotive electronics/vehicle distributed executive (OSEK/VDX) set a goal of being the industry standard for real-time operating...
This paper presents the worst case network situation and the analyzed result for timing test on real embedded system. Timing is critical fact in a specific network. As the needs that vehicle is more intelligence, electrical components of vehicle are more enhanced and complicated. The number of electronic control units (ECUs) which are set up at vehicle is significantly increased. Therefore there is...
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