Self-aware Power Management for Maintaining Event Detection Probability of Supercapacitor-powered Cyber-physical Systems

IF 2 Q3 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS
Ruizhi Chai, Ying Zhang, Geng Sun, Hongsheng Li
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引用次数: 1

Abstract

In this article, the self-aware power management framework is investigated for maintaining event detection probability of supercapacitor-powered cyber-physical systems, with a radar network system as an example. Maintaining the event detection probability of the radar network is decomposed as a problem of controlling the quality of service of each network node. Then a power management method based on model predictive control and particle swarm optimization is proposed for tracking the reference quality of service of each node while satisfying the operation constraints. The effectiveness of the proposed method is demonstrated through three simulation studies that cover both single node and network scenarios. In addition, to support the proposed power management method, an online state of charge prediction method is developed for the supercapacitor. The online prediction method adopts a supercapacitor model that describes both the ohmic leakage and charge redistribution phenomena and uses online model updating to more accurately capture the supercapacitor behavior and estimate the stored energy.
保持超级电容器供电网络物理系统事件检测概率的自感知功率管理
本文以雷达网络系统为例,研究了超级电容器供电的网络物理系统的自感知电源管理框架。将保持雷达网络的事件检测概率分解为控制各网络节点的服务质量问题。然后提出了一种基于模型预测控制和粒子群优化的功率管理方法,在满足运行约束的情况下跟踪各节点的参考服务质量。通过覆盖单节点和网络场景的三个仿真研究证明了所提出方法的有效性。此外,为了支持所提出的电源管理方法,开发了一种超级电容器的在线充电状态预测方法。在线预测方法采用同时描述欧姆泄漏和电荷再分布现象的超级电容器模型,并通过在线模型更新更准确地捕捉超级电容器的行为和估计存储能量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
ACM Transactions on Cyber-Physical Systems
ACM Transactions on Cyber-Physical Systems COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS-
CiteScore
5.70
自引率
4.30%
发文量
40
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