美国宇航局肯尼迪航天中心的航天飞机发射计算机控制系统

B. Furht, R. Luken
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引用次数: 0

摘要

本文阐述了一个复杂的应用,即NASA肯尼迪航天中心的数据采集和航天飞机发射控制系统,它需要密集的通信和高处理能力,如何映射到一个先进的开放系统架构中。这是通过采用一个对称的、紧密耦合的多处理器系统来实现的,该系统包括一个高带宽的公共内存总线、一个高效的中断分配方案、专用的高性能I/O处理器,并运行一个多处理器实时UNIX操作系统。作者着重介绍了数据采集系统。首先,明确了系统的通信和处理要求。然后,在系统模型的基础上,定义了满足这些要求的多处理器体系结构
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Space Shuttle launch computer control system at NASA Kennedy Space Center
This paper illustrates how a complex application, the data acquisition and Space Shuttle Launch Control System at NASA Kennedy Space Center, which requires both intensive communications and high processing power, can be mapped into an advanced open system architecture. This is achieved by employing a symmetric, tightly-coupled multiprocessor system which includes a high bandwidth common memory bus, an efficient interrupt distribution scheme, dedicated high-performance I/O processors, and runs a multiprocessor real-time UNIX operating system. The authors concentrate on the Data Acquisition System. First, the communication and processing requirements for the system is specified. Then, on the basis of the model of the system, the multiprocessor architecture is defined to meet these requirements.<>
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