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1. 河南理工大学 机械与动力工程学院,河南 焦作 454000
2. 大连理工大学 控制科学与工程学院,辽宁 大连 116024
[ "刘宁(1977-),男,山东青州人,博士,河南理工大学讲师,主要研究方向为工业控制网络技术。" ]
[ "仲崇权(1966-),男,黑龙江哈尔滨人,博士,大连理工大学教授、博士生导师,主要研究方向为工业控制网络技术和检测技术。" ]
[ "林瑶瑶(1982-),男,山西大同人,大连理工大学博士生,主要研究方向为运动控制技术和工业控制网络技术。" ]
网络出版日期:2014-08,
纸质出版日期:2014-08-25
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刘宁, 仲崇权, 林瑶瑶. 提高EPA系统网络时延性能的方法[J]. 通信学报, 2014,35(8):147-153.
Ning LIU, Chong-quan ZHONG, Yao-yao LIN. Method to improve the performance of network time delay of EPA system[J]. Journal on communications, 2014, 35(8): 147-153.
刘宁, 仲崇权, 林瑶瑶. 提高EPA系统网络时延性能的方法[J]. 通信学报, 2014,35(8):147-153. DOI: 10.3969/j.issn.1000-436x.2014.08.018.
Ning LIU, Chong-quan ZHONG, Yao-yao LIN. Method to improve the performance of network time delay of EPA system[J]. Journal on communications, 2014, 35(8): 147-153. DOI: 10.3969/j.issn.1000-436x.2014.08.018.
为了提高EPA(Ethernet for plant automation)系统的网络诱导时延性能,研究了系统中功能执行和网络通信的内在运行机理和相互作用机制,提出了它们的协同方法。该方法通过给执行控制功能的用户层功能块和执行通信功能的链路层分组传输设定相互协同的时间片,以及对功能块执行时间和次数的确定,实现了EPA系统中控制与通信的协同。当设备巡回扫描周期较小或需要通信的功能块较多时,能够有效降低EPA系统的网络负载,提
In order to improve the performance of network-induced time delay of EPA (Ethernet for plant automation) networked control systems
the interacting mechanism between the control and the communication in EPA system was studied and EPA-CS (EPA cooperative scheduling) method was presented. Through setting their mutually cooperative time slices for function blocks that executed the control tasks and data transmission that executed the communication tasks
and through determining the executing time and frequencies of control tasks in their time slices
the method could accomplish the cooperation between control tasks and communication tasks in EPA system. When the round scanning cy-cles of devices are very little or there are many function blocks that need network communication in system
the method can effectively reduce the network load to improve the performance of network-induced time delay of EPA system.
ZENG W T , CHOW M Y . Modeling and optimizing the perform-ance-security tradeoff on D-NCS using the coevolutionary paradigm [J ] . IEEE Transactions on Industrial Informatics , 2013 , 9 ( 1 ): 394 - 402 .
GUPTA R A . Networked control system: overview and research trends [J ] . IEEE Transactions on Industrial Electronics , 2010 , 57 ( 7 ): 2527 - 2535 .
IEC/PAS 62409 . Real-time Ethernet for Plant Automation (EPA) (R) 14 [S ] .
IEC 61784-2 . Industrial Communication Networks-Profiles-Part 2:Additional Fieldbus Profiles for Real-time Networks Based on ISO/IEC 8802-3 [S ] .
王占丰 , 陈鸣 , 邢长友 等 . 因特网时延空间建模的研究 [J ] . 通信学报 , 2012 , 33 ( 7 ): 164 - 176 .
WANG Z F , CHEN M , XING C Y , et al . Research on the modeling of the Internet delay space [J ] . Journal on Communications , 2012 , 33 ( 7 ): 164 - 176 .
HOKAYEM P , CHATTERJEE D , RAMPONI F A , et al . Stable net-worked control systems with bounded control authority [J ] . IEEE Transactions on Automatic Control , 2012 , 57 ( 12 ): 3153 - 3157 .
鲁立 , 冯冬芹 , 褚健 . EPA网络控制系统丢包分析 [J ] . 控制与决策 , 2011 , 26 ( 2 ): 248 - 252 .
LU L , FENG D Q , CHU J . Analysis of packet dropouts in EPA based net-worked control systems [J ] . Control and Decision , 2011 , 26 ( 2 ): 248 - 252 .
LIU N , ZHONG C Q , BAI Y Q . Real-time performance study of information transmission in EPA industrial Ethernet [J ] . Chinese Jour-nal of Electronics , 2012 , 21 ( 1 ): 125 - 130 .
刘宁 , 仲崇权 , 滕弘飞 . EPA 系统数据发送时间片的自适应调整方法研究 [J ] . 仪器仪表学报 , 2009 , 30 ( 11 ): 2298 - 2304 .
LIU N B X , ZHONG C Q , TENG H F . Self-adaptive adjustment method of the data transmission timeslice in EPA system [J ] . Chinese Journal of Scientific Instrument , 2009 , 30 ( 11 ): 2298 - 2304 .
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