International Journal of Wireless and Microwave Technologies (IJWMT)
IJWMT Vol. 1, No. 2, 15 Apr. 2011
Cover page and Table of Contents: PDF (size: 166KB)
Research of NCS Real-time Performance with Judging Priority Based on Generalized Stability
Full Text (PDF, 166KB), PP.26-32
Views: 0 Downloads: 0
Author(s)
Hengrong LU
1,*
Index Terms
Networked Control System, network stability, real-time Ethernet, real-time performance
Abstract
The conceptions of generalized stability and priority judgment function of real-time node which guaranteed the generalized stability were put forward aiming at the problem of Networked Control System (NCS) real-time performance based on shared Ethernet. From the perspective of control theory and communication theory, generalized stability and priority judgment function were applied into Real-time ETHERnet (RETHER) by using real-time performance improving method of avoiding collision based on protocol in Ethernet communication protocol. Therefore, token was passed to the real-time node with highest priority and real-time data was sent, NCS real-time performance was improved. Finally, simulation results demonstrate the effectiveness of the proposed method.
Cite This Paper
Hengrong LU,"Research of NCS Real-time Performance with Judging Priority Based on Generalized Stability", IJWMT, vol.1, no.2, pp.26-32, 2011. DOI: 10.5815/ijwmt.2011.02.04
Reference
[1] Q. Zong, "Class of networked control systems design under medium access constraints," System Engineering and Electronics, Vol. 29, No. 5, pp. 778-781, May 2007.
[2] Y. Y. Chen, "Research and application of Ethernet in networked control system," M. S. thesis, Power Electronic and Power Drive, Xihua Unv., Sichuan, China, 2007.
[3] J. Liu, W. Wei, "Study on maximum network delay of switched Ethernet with different network structure," Process Automation Instrumentation, Vol. 27, No. 10, pp. 19-22, October 2006.
[4] G. Shen, X. M. Xu, X. He, "A new industrial Ethernet media access control protocol," Journal of Shanghai Jiaotong University, Vol. 20, No. 4, April 2002.
[5] C. Venkatramani, T. Chiueh, "Supporting real-time traffic on Ethernet," Proc of Real-time System Symposium, 1994.
[6] X. Q. Miao, "Exposition of six type of communication protocols of real-time ethernet," Process Automation Instrumentation, Vol. 26, No. 4, pp. 1-6, April 2005.
[7] L. Chen, D. Q. Feng, J. X. Jin, J. Chu, "Study on real-time characteristics of Ethernet in industrial application" Journal of Zhejiang University, Vol.38, No. 6, pp. 670-675, 2004.