王宏伟

个人信息Personal Information

教授

硕士生导师

性别:男

毕业院校:哈尔滨工业大学

学位:博士

所在单位:控制科学与工程学院

办公地点:大连理工大学海山楼B613

联系方式:大连理工大学海山楼B613

电子邮箱:wanghw@dlut.edu.cn

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A new identification method of networked control system

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论文类型:会议论文

发表时间:2012-07-15

收录刊物:EI、Scopus

页面范围:248-253

摘要:Various control strategies achieve results in different aspects of both the industry and academic in recent years due to flexible applications and many other advantages. Although various algorithms have been proposed for networked control systems, most control schemes assume that system model is known 'a priori'. It is necessary that the control plant in the network system is identified when the model of the actual networked control system is not known. One of the main identification tasks is how to compensate the uncertainty of the system due to network-induced delays and data packet loss. In presented paper, a modified Gram-Schmidt algorithm is applied to confirm the parameters and the model structure. In addition, a discard-packet strategy is developed which takes into account network-induced delays, data packet out-of-order and data packet loss within one framework. Newton linear interpolator is proposed to compensate the lost data in the identifier. Finally, the effectiveness of the proposed scheme is shown by using a numerical example. ? 2012 IEEE.