论文标题

合作网络物理系统的自适应实时时间表

Adaptive Real-Time Scheduling for Cooperative Cyber-Physical Systems

论文作者

von Zengen, Georg, Yu, Jingjing, Wolf, Lars C.

论文摘要

CPS在各种应用程序中广泛使用,从工业自动化到搜索和退缩。到目前为止,在这些应用程序中,它们可以使用高移动性隔离,或者在静态网络设置中运行。如果移动CPS合作工作,则在实时要求放松的应用中。为了在艰难的实时应用程序中启用此类合作,我们提出了一种调度方法,该方法能够将实时时间表调整为移动网络中发生的更改。我们提出了混合的整数线性编程模型和一个启发式,以生成这些网络的时间表。关键挑战之一是,在调整时间表时,不得打断运行应用程序。因此,安排必须考虑应用程序给出的延迟和抖动边界,同时生成适应的时间表。

CPSs are widely used in all sorts of applications ranging from industrial automation to search-and-rescue. So far, in these applications they work either isolated with a high mobility or operate in a static networks setup. If mobile CPSs work cooperatively, it is in applications with relaxed real-time requirements. To enable such cooperation also in hard real-time applications we present a scheduling approach that is able to adapt real-time schedules to the changes that happen in mobile networks. We present a Mixed Integer Linear Programmingmodel and a heuristic to generate schedules for those networks. One of the key challenges is that running applications must not be interrupted while the schedule is adapted. Therefore, the scheduling has to consider the delay and jitter boundaries, given by the application, while generating the adapted schedule.

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