运用比较原理和导数不连续的李雅普诺夫函数，结合分解集结等方法，研究具有滞后的测度型线性时变脉冲扰动大系统的全局指数稳定性。

The stability of time-delay and time-varying large scale systems with impulsive effect is investigated by means of the comparison principle and vector Lyapunov function with discontinuous derivative.

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前者是几个不连续的小幅值电流脉冲，主要是使表面接触均匀化，接触电阻稳定在一个较小值；

The former consists of several discontinuous minor amplitude current impulses, which is used to uniformize contact area and to make contact resistance stabilized on a small value;

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