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Volume 37 Issue 1
Jan.  2011
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Journal of Beijing University of Aeronautics and Astronautics  > 2011  >  37(1): 31-35.
Wang Yuhui, Zhang Yuru, Wang Dangxiaoet al. Haptic rendering algorithm based on discrete energy optimization method of preparation of human tooth[J]. Journal of Beijing University of Aeronautics and Astronautics, 2005, 31(07): 785-788. (in Chinese)
Citation: Li Xinying, Xiong Huagang. Partition modeling and design in integrated avionics[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(1): 31-35. (in Chinese)
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Partition modeling and design in integrated avionics

  • School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 01 Dec 2009
  • Publish Date: 31 Jan 2011
    Abstract
  • With the development of integrated modular avionics, partition management has become a necessary technology. To solve the partition management problem under safety critical system constraint, through studying ARINC653 criterion, hierarchical partition architecture model was determined which implement partitioning between applications of different safety critical levels. To guarantee timing constraints and predictability of avionics, a two-level partition schedule model was proposed in which the operation system adopts round-robin scheduling strategy and each individual partition adopts rate monotonic priority scheduling strategy. In addition, for the schedulable analysis problem of partition tasks, on the premise that fully guarantee real time characteristics of integrated modular avionics systems, a design method for partition critical parameters was developed. The least upper bounds of the system schedulable utilization for the method was derived and formally proved. Computer simulation results indicate this approach can be used to admit much more systems load, while guarantee real time properties.

     

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