Chaos Synchronization Criteria and Costs of Sinusoidally Coupled Horizontal Platform Systems

Chaos Synchronization Criteria and Costs of Sinusoidally Coupled Horizontal Platform Systems
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正弦耦合水平平台系统的混沌同步标准和成本

DOI:
10.1155/2007/86852
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发表时间:
2007-04
影响因子:
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中科院分区:
工程技术4区
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利用线性时变系统的李雅普诺夫稳定性定理和西尔维斯特判据,导出了两个水平平台系统在正弦状态误差反馈控制下实现同步的代数充分判据。状态变量被限制在一个子区域,以获得易于验证的标准。数值例子说明了这些代数准则的有效性。基于反馈控制量的度量引入了同步代价的概念。数值计算了最小同步代价和最优耦合强度。研究结果对工程应用具有一定的指导意义。
Some algebraic sufficient criteria for synchronizing two horizontal platform systems coupled by sinusoidal state error feedback control are derived by the Lyapunov stability theorem for linear time-varying system and Sylvester's criterion. The state variables are restricted in a subregion in order to obtain easily verified criteria. The validity of these algebraic criteria is illustrated with some numerical examples. A new concept, synchronization cost, is introduced based on a measure of the magnitude of the feedback control. The minimal synchronization cost as well as optimal coupling strength is calculated numerically. The results are meaningful in engineering application.
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