arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2104.13149cs.RO
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自动驾驶轨迹的实时的安全评估

Real-time safety assessment of trajectories for autonomous driving

IVEX NV(IVEX公司);Infineon Technologies AG(英飞凌科技股份公司)

Hoang Tung Dinh, Danilo Romano, Patrick Abrahao Menani, Victor Vaquero, Quentin De Clercq, Ramanujan Venkatadri, Nelson Quintana, Mario Torres

摘要:

自动驾驶汽车(AV)必须始终保持安全运动,以确保它们不会造成任何事故。在AV系统中,车辆的运动被表示为轨迹。轨迹规划组件负责在运行时计算这样的轨迹,同时考虑到关于环境的感知信息、车辆的动态、其他道路使用者的预测未来状态以及多个安全方面。由于要考虑的信息量巨大,轨迹规划算法是复杂的,这使得保证所有规划轨迹的安全性是不平凡的。这样,就有必要有一个额外的组件来评估运行时计划轨迹的安全性。这样的轨迹安全性评估组件给出关于AV轨迹的安全性的不同观察,并且确保AV仅遵循安全轨迹。我们使用术语轨迹检查器来指轨迹安全评估组件。轨迹检查器必须根据各种安全规则评估规划的轨迹,考虑大量的可能性,包括其他交通参与者的最坏情况行为。这必须在保证硬实时的【形】性能的同时进行,因为安全评估是在车辆移动并与环境不断相互作用时进行的。在本文中,我们提出了一个原型的轨迹检查器,我们已经在IVEX开发。我们展示了我们的方法如何顺利工作,并实现嵌入在英飞凌Aurix TC397B汽车平台的实时的【形】约束。最后,我们衡量我们的轨迹检查器原型对一组NCAPS启发的情况下的性能。

英文摘要:

Autonomous vehicles (AVs) must always have a safe motion to guarantee that they are not causing any accidents. In an AV system, the motion of the vehicle is represented as a trajectory. A trajectory planning component is responsible to compute such a trajectory at run-time, taking into account the perception information about the environment, the dynamics of the vehicles, the predicted future states of other road users and a number of safety aspects. Due to the enormous amount of information to be considered, trajectory planning algorithms are complex, which makes it non-trivial to guarantee the safety of all planned trajectories. In this way, it is necessary to have an extra component to assess the safety of the planned trajectories at run-time. Such trajectory safety assessment component gives a diverse observation on the safety of AV trajectories and ensures that the AV only follows safe trajectories. We use the term trajectory checker to refer to the trajectory safety assessment component. The trajectory checker must evaluate planned trajectories against various safety rules, taking into account a large number of possibilities, including the worst-case behavior of other traffic participants. This must be done while guaranteeing hard real-time performance since the safety assessment is carried out while the vehicle is moving and in constant interaction with the environment. In this paper, we present a prototype of the trajectory checker we have developed at IVEX. We show how our approach works smoothly and accomplishes real-time constraints embedded in an Infineon Aurix TC397B automotive platform. Finally, we measure the performance of our trajectory checker prototype against a set of NCAPS-inspired scenarios.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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