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首页> 外文会议>56th International Astronautical Congress 2005 vol.7 >CONTROLLER AREA NETWORK IN SPACE - BACKGROUND AND LESSONS LEARNED FROM PRACTICAL EXPERIENCE
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CONTROLLER AREA NETWORK IN SPACE - BACKGROUND AND LESSONS LEARNED FROM PRACTICAL EXPERIENCE

机译：空间中的控制器区域网络-经验背景和经验教训

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摘要

In the mid 1980's Bosch and Intel joined forces to develop a new serial control network for distributed automotive applications. Controller Area Network or CAN as it has become widely known evolved from this effort and has proven to be a robust reliable protocol. Recent developments have seen CAN technology applied as the control network in spacecraft. Due to a growing difficulty and cost incurred in acquiring radiation hardened space qualified components, terrestrial technologies are being reengineered and deployed in space applications. In this paper we briefly discuss the challenges faced by electronic systems in the environment of space and illustrate the potential for use of Commercial Off-The-Shelf (COTS) devices in space applications. The CAN control protocol is presented and reviewed. A number of instances where CAN has been deployed in spacecraft are described. CAN architectures, network redundancy, fault-tolerant configurations and CANs suitability for different reliability related categories of space applications is discussed. Finally practical experience gained and lessons learned from the implementation of CAN on the MATROSHKA experiment (which is a scientific instrument installed on the International Space Station) are also presented.
机译：在1980年代中期，博世和英特尔联手开发了一种新的串行控制网络，用于分布式汽车应用。众所周知，控制器局域网或CAN就是通过这种努力而发展起来的，并且已被证明是可靠的可靠协议。最近的发展已将CAN技术用作航天器的控制网络。由于获取辐射硬化的符合太空要求的组件的难度和成本不断增加，地面技术正在重新设计并部署在太空应用中。在本文中，我们简要讨论了空间环境中电子系统所面临的挑战，并说明了在空间应用中使用商用现货（COTS）设备的潜力。提出并审查了CAN控制协议。描述了在航天器中部署CAN的许多实例。讨论了CAN体系结构，网络冗余，容错配置以及CAN对不同可靠性相关类别的空间应用的适用性。最后，还将介绍在MATROSHKA实验（这是安装在国际空间站上的科学仪器）上实施CAN所获得的实践经验和经验教训。

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