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通过主动注册表清理和自主故障恢复来提高AD936x基于航空航天应用的SDR的可靠性

Jinyang Wang^1,2, Zhugang Wang¹, Li Zhou¹

¹National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China.

Sensors (Basel, Switzerland)

|November 13, 2025

概括

软件定义无线电 (SDR) 中的单一事件突发事件 (SEU) 通过一种新的仅用于软件的框架来缓解. 这种方法可以提高航空航天通信的可靠性,而无需硬件更改.

科学领域:

航空航天工程航空航天工程
计算机工程计算机工程
可靠性工程可靠性工程

背景情况:

单一事件突发事件 (SEUs) 经常影响航空航天领域的商用现成 (COTS) 软件定义无线电 (SDR),特别是在太阳事件期间的地球静止轨道 (GEO).
这些干扰可能会破坏注册表并导致通信故障,对关键任务系统构成重大风险.

研究的目的:

为AD936x射频收发器开发和评估一个纯基于软件的故障检测,隔离和恢复 (FDIR) 框架.
为了提高SDR与SEU的可靠性,而不需要任何硬件修改.

主要方法:

分类装置将登记器分为四个冲击类别.
实施专门的擦洗策略:标准,掩盖,程序和强制刷新.
整合实时登记健康监测和适应性恢复行动.
在1万个测试案例中进行故障注入实验.

主要成果:

在经过测试的SEU场景中实现了100%的故障覆盖.
显示平均SEU恢复时间为0.75秒.
对于关键故障,最坏情况下的恢复时间在4.4秒以下.
保持CPU负载在1.3%以下.

结论:

基于软件的FDIR框架确保在SEU事件期间持续运行SDR.
该方法提供了一个可扩展,轻量级和具有成本效益的可靠性增强.
这种解决方案非常适合在航空航天应用中使用 CubeSats 等资源有限的平台.

关键词:

故障检测检测故障检测隔离隔离隔离隔离收回 (FDIR) 的时间一个单一事件令人丧 (SEU)软件定义的无线电 (SDR)航空航天可靠性可靠性容错宽容度容错宽容度容错宽容度登记簿清理清理清理清理

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