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Guangdeng ZONG Yuqiang WU Lihua ZHANG Institute of Automation Qufu Normal University Qufu Shandong China 《系统科学与系统工程学报(英文版)》2005,14(1):115-125
1.Introduction Variable structure control is well known for its robustness to system uncertainties and external disturbances and has been successfully applied to the rigid robotic manipulator systems(Utkin(1992),Zinober(1990)).Generally,a linear sliding mode is firstly designed to describe the desired system error dynamics,a robust controller drives the switching plane variables to reach the sliding mode,and the error dynamics will asymptotically converge to zero on the linear sliding mode.Si… 相似文献
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In this paper, the input-to-state stability (ISS) analysis is addressed for switched nonlinear delay systems. By introducing a novel Lyapunov-Krasovskii functional with indefinite derivative and the merging switching signal techniques, some new criteria are established for switched nonlinear delay systems under asynchronous switching, which extends the existing results to the nonlinear systems with switching rules and delays. The ISS problem is also considered under synchronous switching for switched nonlinear systems by employing the similar techniques. Finally, a nonlinear delay model is provided to show the effectiveness of the proposed results. 相似文献
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配电自动化是建设和改造中现代化管理的重要手段,包括变电站自动化和馈线自动化.发展变电站综合自动化也是当前城网和农网建设和改造的基础环节之一. 相似文献
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浅探电力系统中配电自动化及管理 总被引:2,自引:0,他引:2
配电自动化是建设和改造中现代化管理的重要手段,包括变电站自动化和馈线自动化。发展变电站综合自动化也是当前城网和农网建设和改造的基础环节之一。 相似文献
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针对一类具有时变时滞的奇异脉冲切换系统,研究鲁棒弹性保成本控制问题。首先,基于多 Lyapunov泛函技术,建立标称自由系统具有正则性、因果性及渐近稳定性的充分条件。然后,给出一个弹性保性能控制器的设计方案,该方案能保证对所有容许的不确定性,闭环系统是正则的、因果的和渐近稳定的,且成本函数不超过某个上界。并进一步运用矩阵最大奇异值的最小化方法和凸优化方法,求解最优鲁棒弹性保成本控制器。所有的充分条件均巧妙地表示为线性矩阵不等式形式。最后,运用两个仿真实例验证本研究方法较少的保守性和有效性。 相似文献
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Journal of Systems Science and Complexity - In this paper, the formation control problem is investigated for a team of uncertain underactuated surface vessels (USVs) based on a directed graph.... 相似文献
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