控制工程 ›› 2013, Vol. 20 ›› Issue (5): 960-965.

• 综述与评论 • 上一篇    下一篇

网络控制系统动态量化H控制

温丹丽王克胜陈志迅   

  • 出版日期:2013-09-20 发布日期:2013-11-28

Dynamic Quantization HControl for Networked Control Systems

WEN Dan-liWANG Ke-shengCHEN Zhi-xun   

  • Online:2013-09-20 Published:2013-11-28

摘要:

基于线性矩阵不等式技术,采用状态反馈控制,考虑同时带有网络诱导随机丢包
和量化的H控制问题。考虑信号经网络从传感器到控制器和从控制器到执行器的传输中存在
通信诱导随机丢包,并采用动态量化器量化信号。设计H控制器的同时,提出量化的控制策
略,使得闭环系统在量化器的量化范围条件下指数均方稳定且具有指定的H性能指标。通过
数值仿真例子表明设计方法的有效性。

关键词: 网络控制系统, 随机丢包, 动态量化, H&infin, 控制

Abstract:

The state feedback H∞ control problem for networked control systems with quantization and random packet dropouts is discussed.
The random packet dropouts from the sensor to the controller and from the controller to the actuator are considered. The quantizer
considered here is dynamic. The state feedback H∞ controller can be constructed via solving a linear matrix inequality. A quantized
H∞ control strategy is derived,with a condition on the quantization range and the error bound satisfied,such that the closed - loop system
with quantization and random delays exponentially mean - square stable and with a prescribed H∞ performance bound. An example
is presented to illustrate the effectiveness of the proposed method.

Key words: networked control systems, H&infin, control, dynamic quantization, random packet dropouts