借助于向量李雅谱诺夫函数，通过建立一个新的比较结果，研究了具有固定时刻脉冲的控制系统的实际稳定性。
Utilizing piecewise continuous vector Lyapunov function, the practical stabilization of control systems with fixed moments of impulse effects by establishing a new comparison result is considered.
研究表明，肌电信号具有正的李雅谱诺夫指数，表现出一定的混沌特征。
Positive maximum Lyapunov exponent was obtained from the signals, showing certain chaos features.
利用李雅谱诺夫直接方法分析了系统的稳定性，使系统应用的微喷射器表现了很好的机械性能。
Then we prove stability of this system in case of the normal operations by Liapunov's direct method, and apply the system to micro-injector actually for showing the effectiveness of the mechanism.
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