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  • 标题:Guaranteed Cost Fault-tolerant Control of Networked Control Systems with Short Output Delay and Short Control Delay Based on State Observer
  • 本地全文:下载
  • 作者:Huang, Xiaomao ; Li, Xuan ; Long, Changjiang
  • 期刊名称:Journal of Networks
  • 印刷版ISSN:1796-2056
  • 出版年度:2013
  • 卷号:8
  • 期号:4
  • 页码:836-842
  • DOI:10.4304/jnw.8.4.836-842
  • 语种:English
  • 出版社:Academy Publisher
  • 摘要:Supposing that the sensor and controller nodes were time-driven and the actuator node was event-driven, the problem of integrity against sensor failures for the networked control systems with short output delay and short control delay was discussed based on observer. The state observer of the system according to the time-delay compensation strategy was designed. Then, considering possible sensor failures, an augmented mathematic model for the networked control systems based on observer was developed. In terms of the given quadratic performance index function, the integrity condition of the system was given and the designs for guaranteed cost fault-tolerant controller and observer were presented respectively by using the cooperative design approach of the controller and observer and the approach of bilinear matrix inequalities. Finally, a numerical simulation example demonstrated the conclusions are feasible and effective. The proposed control method meets the requirements in industrial networked control systems.
  • 关键词:sensor failures;stability;control law;bilinear matrix inequalities;time-delays
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