NDLI: Control communication co-design for networked control systems with slotted ALOHA protocol

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Control communication co-design for networked control systems with slotted ALOHA protocol

Content Provider	Semantic Scholar
Author	Zhi-Hui, Li Zhong-Chang, Liu
Copyright Year	2019
Abstract	摘要:针对网络化控制系统中信道容量有限的问题,本文提出一种基于时隙ALOHA通信协议的控制与通信协同设计方法. 将控制系统的采样周期划分为若干等长度的时隙,在每个时隙中,系统的分布式传感器通过时隙 ALOHA协议来随机竞争接入网络. 由于在不同的采样周期各个传感器的接入状态不同,整个状态反馈控制系统将在若干子系统之间进行切换.据此,本文建立了离散的切换系统模型,并利用分段李雅普诺夫函数方法和平均驻留时间技术得到了能够保证系统指数稳定的充分条件.然后,给出能够保证控制系统稳定所需的信道吞吐率的界限, 进而得到了时隙ALOHA协议中的最大重传次数与控制系统衰减率的定量关系.通过上述方法,本文建立了控制–通信协同设计的框架结构,可将控制器的增益矩阵和时隙ALOHA通信协议进行协同设计.最后,通过仿真验证了本文所提出的协同设计方法的有效性. 关键词: 网络化控制系统;时隙ALOHA;吞吐率;协同设计;切换系统引用格式: 李志慧,刘中常,郭戈. 时隙ALOHA协议下的网络化控制系统协同设计.控制理论与应用, 2019, 36(7): 1122 – 1129 DOI: 10.7641/CTA.2018.80270
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://jcta.alljournals.ac.cn/cta_cn/ch/reader/create_pdf.aspx?falg=1&file_no=CCTA180270&quarter_id=7&year_id=2019
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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