利用脉冲微分方程理论给出的脉冲控制稳定的充分条件,对具有变化的脉冲时间间隔统一混沌系统的脉冲控制稳定性与同步进行理论分析,并对脉冲时间间隔的范围作了估计.通过分析与数值模拟研究表明,所得到的结果比已有等脉冲时间间隔的结果具有更大的适用范围.
The problems of impulsive control and synchronization of unified chaotic system with varying impulsive intervals are studied. Sufficient conditions for the asymptotically stable and synchronization of the unified systems via impulsive control are derived. Compared with the existing results, these conditions are less conservative. Moreover, a larger upper bound of impulsive intervals for stabilization and synchronization can be obtained. Numerical simulations testify the validity of the results.