自动驾驶汽车的GNSS功能安全

F. Pisoni, G. Avellone, Domenico Di Grazia, Antonio Silverio, Jérôme Durand, Jessica Garcia, E. D. Tijero, E. Falletti
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引用次数: 3

摘要

新兴的自动驾驶应用为车载GNSS接收器的创新奠定了基础。定位精度、高可用性、操作稳健性和可观测物的形式完整性是优先考虑的问题,这正在产生和塑造一类新的汽车接收器组件和架构。此外,由于自动驾驶和ADAS对安全至关重要,除了之前的要求外,还有功能安全(非正式称为FuSa)合规要求。编纂汽车功能安全的文件是ISO26262第1部分到第11部分。ISO26262补充了众所周知的可靠性汽车标准AEC-Q100。对于FuSa,如果系统总是正确且可预测地运行,则可以将其定义为功能安全。更重要的是,在发生故障的情况下,系统必须对人员保持安全。最后,安全性也正在成为汽车网络安全的首要问题,ISO/SAE 21434标准正在开发中,对于GNSS接收器来说,这意味着抗干扰、欺骗和暗示攻击的鲁棒性。本文介绍了意法半导体新推出的TeseoAPP (STA9100) GNSS接收器芯片组的功能安全和安全方面。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
GNSS Functional Safety for the Autonomous Vehicle
Emerging autonomous driving applications are setting the pace of the innovation for the on board GNSS receiver. Position accuracy, high availability, robustness of operation and formal integrity of the observables are the priorities, which are giving rise and shaping a new class of automotive receiver components and architectures. Moreover, because the autonomous driving and ADAS are safety critical, on top of previous requirements there is also the requirement for Functional Safety (informally called FuSa) compliancy. The documents codifying Functional Safety for automotive are the ISO26262 part 1 to part 11. The ISO26262 complements the well-known reliability automotive standard AEC-Q100. With respect to FuSa, a system can be defined as functionally safe if it always operates correctly and predictably. More importantly, in the event of failures, the system must remain safe for persons. Lastly also security is becoming a paramount and a new standard for cybersecurity in automotive, the ISO/SAE 21434, is in development where for a GNSS receiver this means robustness versus jamming, spoofing and meaconing attacks. This contribution introduces the functional safety and the security aspects of the new STMicroelectronics TeseoAPP (STA9100) GNSS receiver chipset.
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