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综合化模块化航空电子系统采用时间和空间分区技术隔离不同的应用软件,其时间和分区的隔离管理依赖于分区操作系统。天脉653是国内自主研发的基于ARINC653标准的强分区实时操作系统,实现了时间和空间的隔离。基于天脉653操作系统,对航空电子系统任务的规划、时间空间资源分配以及分区之间的通信等关键要素进行描述。采用天脉653分区操作系统对应用软件实现空间和时间的隔离处理,提高了航空电子系统的可靠性和可维护性。
Integrated modular avionics systems use time and space partitioning technology to isolate different applications, and the time and partition isolation management relies on partitioned operating systems. Tianmai 653 is a strong real-time operating system based on ARINC653 standard developed independently in China, which realizes time and space isolation. Based on the Tian Mai 653 operating system, the key elements of avionics system mission planning, time and space resource allocation, and communication between partitions are described. Using Tianmai 653 partition operating system to realize space and time isolation processing for the application software, the reliability and maintainability of the avionics system are improved.