Accelerated Nuclear Radiation Effects on the Raspberry Pi 3B+

2022 IEEE Radiation Effects Data Workshop (REDW) (in conjunction with 2022 NSREC) Pub Date : 2022-07-01 DOI:10.1109/REDW56037.2022.9921475

C. Corley, H. Quinn, E. Swartzlander

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引用次数: 2

Abstract

The Raspberry Pi family of hobbyist, single-board computers are appearing in avionics and space applications - despite not being designed for a radiation environment. Therefore, results of radiation testing are of interest to the radiation community. In this paper, we report results of executing a suite of benchmarks on the Raspberry Pi 3B+ with its ARM Cortex-A53 microprocessor in the accelerated neutron beam at LANSCE during August 2021. The entire 56x85 mm board was exposed while running Linux. Single Event Upsets, Single Event Functional Interrupts, HANGS, and Linux operating system errors were recorded along with the attendant neutron fluence. Cross sections are computed and converted to error rates. Due to frequent crashes, tests were run for one minute then terminated and a new test begun. Unsuccessful tests were detected, and power was cycled to recover initial system state. While the Linux operating system afforded several advantages in testing, it introduces difficult-to-diagnose failures and a perplexing problem on Raspberry Pi with accounting for wall-clock time.

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加速核辐射对树莓派3B+的影响

树莓派(Raspberry Pi)家族的单板电脑出现在航空电子和太空应用中，尽管它不是为辐射环境设计的。因此，辐射检测的结果是辐射界感兴趣的。在本文中，我们报告了2021年8月在LANSCE的加速中子束中使用ARM Cortex-A53微处理器在树莓派3B+上执行一套基准测试的结果。整个56x85毫米的电路板在运行Linux时暴露出来。单事件中断、单事件功能中断、挂起和Linux操作系统错误以及伴随的中子通量被记录下来。计算截面并将其转换为错误率。由于经常崩溃，测试运行一分钟后终止，并开始新的测试。检测到不成功的测试，并循环电源以恢复初始系统状态。虽然Linux操作系统在测试中提供了一些优势，但它在Raspberry Pi上引入了难以诊断的故障和一个令人困惑的问题，即计算时钟时间。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2022 IEEE Radiation Effects Data Workshop (REDW) (in conjunction with 2022 NSREC)

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