应用不动点定理，研究了一类二阶时滞微分方程，给出了其唯一周期正解的存在性定理。
By using a fixed point theorem in cones, we investigate a second-order equation and the theorem of existence of unique positive periodic solution is given.
一阶加纯滞后或二阶加纯滞后，并且提出了时滞系统的模型参考自适应控制的设计方法。
And a design method of model reference adaptive control for system with pure lag is presented.
讨论了一类二阶强次线性时滞微分方程解的振动性质，建立了三个新的振动性定理。推广和改进了已知的一些结果。
The oscillation of a class of second order strongly sublinear delay differential equations is discussed. Three new theorems are established. The results generalize and improve some known ones.
讨论了一类二阶强次线性时滞微分方程解的振动性质，建立了三个新的振动性定理。
The oscillation of a class of second order strongly sublinear delay differential equations is discussed. Three new theorems are established.
该算法中在输入参考信号处直接增加一个比例增益环节，在信号发生器处串联一个超前的时滞环节，并且用一个二阶低通滤波器作为控制系统的补偿函数。
The repetitive control algorithm includes scalar gain of the reference input with a lead block in the signal generator. A second-order low-pass filter provides compensation in the controller.
本文主要讨论了两类二阶脉冲时滞微分方程的渐近性态及振动性。
In this paper, we consider the oscillatory and asymptotic behavior of two kinds of two order impulsive functional differential equations.
本文给出关于二阶非线性常微分方程和时滞微分方程的一些新的振动准则。
This paper discusses the oscillation of second order nonlinear ordinary differential equations and delay differential equations. Some new oscillation criteria for the equations are obtained.
本文给出关于二阶非线性常微分方程和时滞微分方程的一些新的振动准则。
This paper discusses the oscillation of second order nonlinear ordinary differential equations and delay differential equations. Some new oscillation criteria for the equations are obtained.
应用推荐