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delay-partition and delay-distribution Based Exponential Mean Square Stability Criteria for Continuous-time Linear Systems with State delay

Delay-partition and Delay-distribution Based Exponential Mea...

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第24届中国控制与决策会议

作者： Wei-Jun Ma, Xue Yang, Xian Zhang School of Mathematical Science, Heilongjiang University, Harbin 150080, China.

This paper presents Exponential Mean Square Stability （EMSS） criteria of a class of continuous-time linear systems with state delay which has probability characteristics. By comprehensively using the information of delay-partition and delay-distribution, and constructing an appropriate Lyapunov-Krasovskii functional, EMSS criteria in the form of linear matrix inequalities are obtained. Compared with existing results, the EMSS criteria provided in this paper have three advantages: （i） a time-delay model submitting to multinomial distribution is first introduced, and thus the information of delay-partition and delay-distribution is sufficiently used;（ii） the EMSS criteria given by this paper may be less conservative;and （iii） the EMSS criteria given by this paper does not need to bring in any free weighting matrix, which reduces the computational complexity. These advantages indicate that the conservativeness of the EMSS criteria will not be weaker when the number of free weighting matrices increases. Finally, a numerical example is given to demonstrate the effectiveness and superiority of the proposed method.

关键词： random delay continuous linear time-delay system exponential mean square stability probability distribution.

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A new delay-distribution-dependent robust stability criterion for uncertain systems with time-varying delay

A new delay-distribution-dependent robust stability criterio...

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2011 Chinese Control and Decision Conference（CCDC）

作者： Xue Yang,Xian Zhang and Wei-Jun Ma are with School of Mathematical Science,Heilongjiang University,Harbin 150080,China.

This paper investigates the problem of robust stability for a class of continuous-time linear uncertain systems with time-delay state delay which has probability *** using the information of delay-distribution and constructing an appropriate Lyapunov-Krasovskii functional,a robust Exponential Mean Square Stability （EMSS） criterion of systems is *** criterion given by this paper does not need to bring in any free weighting matrices,which reduces the computational complexity,and it also indicates that the conservativeness of the robust EMSS criterion will not be weaker when the number of free weighting matrices ***,a numerical example is given to illustrate the feasibility and effectiveness of the proposed method.

关键词： random delay robust stability EMSS probability distribution

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Design and Implementation of Networked Predictive Control over Wireless IP Networks

Design and Implementation of Networked Predictive Control ov...

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第二十六届中国控制会议

作者： Dong Zhe1,Liu Guoping,Tao Yuegang 1.Institute of Automation,Chinese Academy of Sciences,Beijing 100080,P.R.China

This paper presents a new predictive control scheme for networked control *** scheme mainly consists of a control prediction generator with on-line identification,and a network delay *** can overcome random transmission delay and data dropout in both forward and feedback channel without synchronization and delay *** off-line and real-time simulation is ***,the method is applied to a DC motor control system over wireless IP *** results demonstrate the performance of the proposed scheme.

关键词： Networked Control System Predictive Control random delay Wireless Network

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Remote State Estimation over a Packet-delaying Network without Packet Acknowledgment

Remote State Estimation over a Packet-delaying Network witho...

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第40届中国控制会议

作者： Hao Shi Lidong He School of Automation Nanjing University of Science and Technology

This paper studies the linear state estimation problem for networked systems with random delay. The packet arrival sequence is assumed to be unavailable to the estimator due to malicious attack or using User Datagram Protocol（UDP） *** adopt a transmission mechanism that the packet is sent only once for saving the network bandwidth, and the corresponding estimation algorithm is proposed. The novelty of the algorithm has three points: Firstly, unlike the classic "predict-estimate"scheme, our algorithm consists of smooth and estimate;Secondly, the algorithm uses the orthogonal projection principle and the innovation sequence approach to deal with colored noise phenomena caused by measurement combination;Finally, the expectation of the packet arrival rate is used for instead of the unavailable packet sequence. Estimation performance versus average delay of the network is shown via numerical examples.

关键词： random delay Kalman filtering Colored noise Innovation sequence approach

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Networked Predictive Output Feedback Control of Networked Control Systems

Networked Predictive Output Feedback Control of Networked Co...

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第三十届中国控制会议

作者： ZHANG Jinhui~1,XIA Yuanqing~2 1.College of Information Science & Technonlgy,Beijing University of Chemical Technology,Beijing 100029,P.R.China 2.School of Automation,Beijing Institute of Technology,Beijing 100081,P.R.China

＜正＞This paper is concerned with the design of packet-based output feedback controller for networked control systems （NCSs） with random network delay and data *** taking the full advantage of the packet-based transmission in NCSs, a packet-based control approach is proposed to actively compensate the delay and data dropout under Markovian jump linear system *** from previously reported packet-based control approaches to NCSs,an output feedback strategy is used to generate the control input packet.A new necessary and sufficient condition is proposed to perform the stability analysis of networked closed-loop ***,by using the recently established singular Markovian jump system theory,the controller design problem is ***,the effectiveness of the proposed method is illustrated by using a numerical example.

关键词： Data Dropout Networked Control Systems(NCSs) random delay

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