scholarly journals Convex Relaxation of Bilinear Matrix Inequalities Part I: Theoretical Results

2018 ◽  
Author(s):  
Mohsen Kheirandishfard ◽  
Fariba Zohrizadeh ◽  
Ramtin Madani
Keyword(s):  
Convex Relaxation ◽  
Matrix Inequalities ◽  
Bilinear Matrix Inequalities ◽  
Theoretical Results

scholarly journals H∞-Based Pinning Synchronization of General Complex Dynamical Networks with Coupling Delays

2013 ◽  
Vol 2013 ◽  
pp. 1-8 ◽  
Author(s):  
Bowen Du ◽  
Dianfu Ma
Keyword(s):  
Complex Dynamical Networks ◽  
Linear Matrix ◽  
Matrix Inequalities ◽  
Feedback Controllers ◽  
External Disturbances ◽  
Dynamical Networks ◽  
Attenuation Index ◽  
General Complex ◽  
Local Feedback ◽  
Theoretical Results

This paper investigates the synchronization of complex dynamical networks with coupling delays and external disturbances by applying local feedback injections to a small fraction of nodes in the whole network. Based onH∞control theory, some delay-independent and -dependent synchronization criteria with a prescribedH∞disturbances attenuation index are derived for such controlled networks in terms of linear matrix inequalities (LMIs), which guarantee that by placing a small number of feedback controllers on some nodes, the whole network can be pinned to reach network synchronization. A simulation example is included to validate the theoretical results.

scholarly journals Intermittent Time-Varying Formation Control for High-Order Networked Agents Subject to Discontinuous Communications

Complexity ◽  
2021 ◽  
Vol 2021 ◽  
pp. 1-14
Author(s):  
Lixin Wang ◽  
Zhe Luo ◽  
Xiaoqiang Li ◽  
Xinsan Li ◽  
Xiaogang Yang
Keyword(s):  
Formation Control ◽  
Linear Matrix ◽  
Control Input ◽  
Intermittent Control ◽  
Movement Trajectory ◽  
Time Varying ◽  
Matrix Inequalities ◽  
Communication Time ◽  
Theoretical Results ◽  
Formation Design

This paper investigates the leaderless and leader-follower time-varying formation design and analysis problems for a group of networked agents subject to discontinuous communications. Firstly, a leaderless time-varying formation control protocol is proposed via the intermittent control strategy, where the control input of each agent is constructed by the distributed local state information and formation instructions in the communication time unit, but it is zero in the noncommunication time unit. Then, an explicit formulation of the formation center function is determined to describe the formation movement trajectory of the whole networked agents. Leaderless time-varying formation design and analysis with discontinuous communications are given in the form of linear matrix inequalities. Moreover, the main results of the leaderless cases are extended to the leader-follower cases. Finally, two numerical examples are provided to illustrate the theoretical results of leaderless and leader-follower cases, respectively.

Multivariable Anti-windup Controller Synthesis Using Bilinear Matrix Inequalities

2000 ◽  
Vol 6 (5) ◽  
pp. 455-464 ◽  
Author(s):  
Eric F. Mulder ◽  
Mayuresh V. Kothare ◽  
Manfred Morari
Keyword(s):  
Controller Synthesis ◽  
Matrix Inequalities ◽  
Bilinear Matrix Inequalities

scholarly journals StochasticH∞Control for Discrete-Time Singular Systems with State and Disturbance Dependent Noise

2017 ◽  
Vol 2017 ◽  
pp. 1-10
Author(s):  
Yong Zhao ◽  
Xiushan Jiang ◽  
Weihai Zhang
Keyword(s):  
Discrete Time ◽  
State Feedback ◽  
Closed Loop ◽  
Singular Systems ◽  
State Feedback Control ◽  
Linear Matrix ◽  
Mean Square ◽  
Matrix Inequalities ◽  
Closed Loop System ◽  
Theoretical Results

This paper is concerned with the stochasticH∞state feedback control problem for a class of discrete-time singular systems with state and disturbance dependent noise. Two stochastic bounded real lemmas (SBRLs) are proposed via strict linear matrix inequalities (LMIs). Based on the obtained SBRLs, a state feedbackH∞controller is presented, which not only guarantees the resulting closed-loop system to be mean square admissible but also satisfies a prescribedH∞performance level. A numerical example is finally given to illustrate the effectiveness of the proposed theoretical results.

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