Performance Limitation Analysis of Networked Control Systems

摘要：

The performance limitation analysis of single-input-single-output (SISO) networked control systems (NCSs) over signal-to-noise ratio (SNR) constrained channel is proposed in this paper. The performance index is measured by the energy of the error variance response between the output of the plant and the reference signal. The performance limitation is obtained by applying H2 square error criterion and the spectral factorization technique. It is shown that the performance limitation is constrained by nonminimum phase zeros, unstable poles of a given plant, the power spectral density of a given reference signal and SNR of communication channel. The result obtained in this work explicitly show how is the performance limitation limited by the SNR of communication channel. A typical example is given to illustrate the theoretical results.

关键词： Performance limitation Unstable poles Analysis Nonminimum phase zeros

作者: WU Jie ZHAN Xi-Sheng GAO Hong-Liang ZHANG Xian-He

作者单位: College of Mechatronics and Control Engineering, Hubei Normal University,Huangshi, 435002, P. R. China

会议类型: 国际会议

会议名称: The 31st Chinese Control Conference(第三十一届中国控制会议)

会议地点: 合肥

会议语种:英文

页码: 5786-5790

在线出版日期: 2012-07-01（万方平台首次上网日期，不代表论文的发表时间）