机载多核技术应用研究  

Research on the Multi- core Technology in Airborne System

作　　者：虞保忠[1] 任晓瑞[1] 黄保垒 周霆[1] YU Bao-zhong;REN Xiao-rui;HUANG Bao-lei;ZHOU Ting(Xi′an Aeronautics Computing Technique Research Institute,AVIC,Xi′an 710000,China)

机构地区：[1]航空工业西安航空计算技术研究所,陕西西安710000

出　　处：《航空计算技术》2022年第2期121-124,共4页Aeronautical Computing Technique

基　　金：国家自然科学基金项目资助(61732001)。

摘　　要：为了在机载计算机中构建安全的多核系统,研究最新的多核技术特性,调研国外相关应用于机载计算机的多核操作系统产品和技术报告,结合机载计算机的高实时性高安全性需求及多核系统安全认证指南,分析多核技术带来的确定性问题,分析确定性影响因素、干扰源、影响程度及缓解措施,分析多核系统架构的特性与局限性,研究工业物联网的多核应用技术,提出适用于机载计算机的虚拟化解决方案,在操作系统与硬件之间增加虚拟化层,通过虚拟机管理器缓解多核确定性,构建满足实时性和安全性的多核系统。In order to build a secure and safety multi-core system in the airborne computer, study the characteristics of the latest multi-core technology, investigate the multi-core operating system products and technical reports applied to airborne computers.According to the high real-time and high security requirements of airborne computers, and refer to the multi-core system safety certification guidelines, further analyze the deterministic problems brought by multi-core technology.Analyze the uncertainty factors, interference sources, impacts and mitigation measures, research the characteristics and limitations of multi-core system architecture.Research on multi-core application technology of industrial internet of things, propose the virtualization solution for airborne computers.This solution adds a virtualization layer between the operating system and hardware, alleviates the multi-core determinism through the virtual machine manager, and then builds a safe multi-core system.

关 键 词：操作系统 机载计算机 多核干扰 确定性缓解 虚拟机管理器 

分 类 号：TP316.2[自动化与计算机技术—计算机软件与理论]