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一种递推式变采样周期网络控制系统调度算法

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Indexed by:期刊论文

Date of Publication:2011-11-10

Journal:化工自动化及仪表

Included Journals:ISTIC

Volume:38

Issue:11

Page Number:1299-1302

ISSN No.:1000-3932

Key Words:调度;变采样周期;递椎式;网络控制系统

Abstract:针对采样周期的变化对网络控制性能的影响,综合考虑了网络的传输误差以及传输时延等因素,对网络控制系统进行了数学建模分析,提出一种递推式变采样周期在线动态调度算法.以误差泛函积分评价指标IAE来衡量控制回路的QoC.运用Matlab/Simulink中True-time工具箱构建网络控制系统仿真平台并进行仿真,结果表明该调度算法改善了网络控制系统的稳定性并提高了系统的实时性、控制质量和服务质量.

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