Distributed Virtual Time-Based Synchronization for Simulation of Cyber-Physical Systems
Distributed Virtual Time-Based Synchronization for Simulation of Cyber-Physical Systems
复制标题
用于信息物理系统仿真的分布式虚拟基于时间的同步
DOI:
10.1145/3446237
复制
发表时间:
2021
影响因子:
0.9
通讯作者:
Jin, Dong
中科院分区:
文献类型:
--
作者:
Hannon, Christopher;Yan, Jiaqi;Jin, Dong
Our world today increasingly relies on the orchestration of digital and physical systems to ensure the successful operations of many complex and critical infrastructures. Simulation-based testbeds are useful tools for engineering those cyber-physical systems and evaluating their efficiency, security, and resilience. In this article, we present a cyber-physical system testing platform combining distributed physical computing and networking hardware and simulation models. A core component is the distributed virtual time system that enables the efficient synchronization of virtual clocks among distributed embedded Linux devices. Virtual clocks also enable high-fidelity experimentation by interrupting real and emulated cyber-physical applications to inject offline simulation data. We design and implement two modes of the distributed virtual time:periodic modefor scheduling repetitive events like sensor device measurements, anddynamic modefor on-demand interrupt-based synchronization. We also analyze the performance of both approaches to synchronization including overhead, accuracy, and error introduced from each approach. By interconnecting the embedded devices’ general purpose IO pins, they can coordinate and synchronize with low overhead, under 50 microseconds for eight processes across four embedded Linux devices. Finally, we demonstrate the usability of our testbed and the differences between both approaches in a power grid control application.
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DOI:
--
发表时间:
2015
期刊:
SIGSIM Principles of Advanced Discrete Simulation
影响因子:
--
作者:
Jiaqi Yan;Dong Jin
通讯作者:
Dong Jin
DOI:
--
发表时间:
2015
期刊:
SIGSIM Principles of Advanced Discrete Simulation
影响因子:
--
作者:
Jereme Lamps;Vladimir Adam;D. Nicol;M. Caesar
通讯作者:
M. Caesar
DOI:
--
发表时间:
1998
期刊:
TOMC
影响因子:
--
作者:
Sudhir Srinivasan;P. Reynolds
通讯作者:
P. Reynolds
DOI:
10.1145/3186318
发表时间:
2018-08
期刊:
ACM Transactions on Modeling and Computer Simulation (TOMACS)
影响因子:
--
作者:
Christopher Hannon;Jiaqi Yan;Dong Jin; Chen-Chen-Chen;Jianhui Wang
通讯作者:
Christopher Hannon;Jiaqi Yan;Dong Jin; Chen-Chen-Chen;Jianhui Wang
影响因子:
3.9
作者:
Ozgur Ozmen;J. Nutaro;M. Starke;J. Munk;Larry E. Roberts;Xiao Kou;Piljae Im;Jin Dong;F. Li;T. Kuruganti;H. Zandi
通讯作者:
H. Zandi