嵌入式控制系统中分布式共享内存的分布式实时操作系统

2013 IEEE 11th International Conference on Dependable, Autonomic and Secure Computing Pub Date : 2013-12-21 DOI:10.1109/DASC.2013.71

Takahiro Chiba, Myungryun Yoo, T. Yokoyama

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引用次数: 7

摘要

提出了一种为分布式控制系统提供分布式共享内存服务的分布式实时操作系统(DRTOS)。基于模型的设计已经成为嵌入式控制软件设计的主流，软件模块的源代码可以从控制器模型中生成。生成的软件模块通过共享变量交换输入和输出值。我们开发了一个具有实时DSM服务的DRTOS，以提供一个位置透明的环境，其中分布式软件模块可以通过DSM交换输入和输出值。DRTOS是OSEK操作系统的扩展。我们使用一种叫做FlexRay的实时网络，它基于TDMA(时分多址)协议。DSM的一致性是根据FlexRay传输数据的顺序来保持的，而不是使用节点间同步。如果FlexRay通信配置良好，则DSM的最坏情况响应时间是可以预测的。

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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A Distributed Real-Time Operating System with Distributed Shared Memory for Embedded Control Systems

The paper presents a distributed real-time operating system (DRTOS) that provides a distributed shared memory (DSM) service for distributed control systems. Model-based design has become popular in embedded control software design and the source code of software modules can be generated from a controller model. The generated software modules exchange their input and output values through shared variables. We develop a DRTOS with a real-time DSM service to provide a location-transparent environment, in which distributed software modules can exchange input and output values through the DSM. The DRTOS is an extension to OSEK OS. We use a real-time network called FlexRay, which is based on a TDMA (Time Division Multiple Access) protocol. The consistency of the DSM is maintained according to the order of data transfer through FlexRay, not using inter-node synchronization. The worst case response time of the DSM is predictable if the FlexRay communication is well configured.

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来源期刊

2013 IEEE 11th International Conference on Dependable, Autonomic and Secure Computing

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