多采样率网络化系统的最优保性能控制

doi:10.16183/j.cnki.jsjtu.2018.01.018

摘要/Abstract

摘要： 针对一种输入多采样率网络化控制系统，在同时考虑网络诱导时延和被控对象的预测输出的条件下设计了动态输出回馈控制器，以得到系统的最优保性能控制，并利用线性矩阵不等式证明了控制系统的稳定性，数值模拟验证了其有效性.结果表明，所设计的控制器能够保证控制系统稳定性并满足性能控制的要求.

关键词: 网络化控制系统；多速率采样；网络诱导时延；预测输出；最优保性能控制

Abstract: In multi-rate networked control system (NCS), the sampling period of sensor, controller and actuator shows the characteristics of asynchronous sampling uniformity. The whole system is no longer a single-rate sampling mode, and it is more suitable for the essential characteristics of NCS and control requirements. A networked multi-rate input control system with network-induced time-delay and output prediction is illustrated in this paper. A dynamic output feedback controller is designed to obtain the optimal guaranteed cost control of the system, and the stability of this closed-loop control system is proved by linear matrix inequality (LMI) method. Finally, a numerical simulation is given to demonstrate the effectiveness of the proposed control system.

Key words: networked control system (NCS); multi-rate sampling; network-induced time-delay; output prediction; optimal guaranteed cost control

中图分类号:

TP 273

王志文，李旋，祝超群. 多采样率网络化系统的最优保性能控制[J]. 上海交通大学学报, 2018, 52(1): 120-126.

WANG Zhiwen,LI Xuan,ZHU Chaoqun. A Optimal Guaranteed Cost Control of Networked Multi-Rate System[J]. Journal of Shanghai Jiao Tong University, 2018, 52(1): 120-126.

参考文献

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