End-to-End Delay Analysis Considering Partition Scheduling On a DIMA Platform
TENCON IEEE Region 10 Conference Proceedings(2018)
摘要
With the evolution of the avionics system architecture, the trend of function software and software-intensive has become increasingly prominent. Compared with the current IMA (Integrated Modular Avionics) system design, DIMA (Distributed Integrated Modular Avionics) is regarded as the future development direction of a new generation of avionics systems. The DIMA architecture effectively modifies the problem of fault isolation, system reconfiguration mechanisms and resource utilization in IMA architecture. However, the existing worstcase delay scheduling strategy cannot solve the disadvantages of AFDX (Avionics Full-DupleX Switched Ethernet) as an asynchronous network. Therefore, we propose a delay analysis method considering partition scheduling on DIMA platform, which can reduce the disorder for uncertainty from the source of the system. In this paper, to solve real-time performance evaluation problem on DIMA platform, a network calculus method by integrating offsets on DIMA platform was proposed. And in order to reduce the uncertainty from the source of the system, a partition scheduling strategy based on DIMA system is proposed.
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关键词
Avionics,DIMA,AFDX,Delay analysis,Partition scheduling
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