Usiug this inequality to study the stability of control systems with varying delay. Some simple criterionforstability are obtained.
然后，利用此微分分等式研究具有变量时滞的控制系统的镇定问题，获得了判别系统镇定的简便充不了，准则。
2
The formulas used for checking the integral stability of derrick and the method and criterion of analysing the problems arc also presented here.
文章对井架总体稳定校核所用的计算公式及分析问题的方法和准则也作了介绍。
3
A new robust stabilitycriterionfor uncertain systems with multiple state-delays and nonlinear time-varying perturbations is obtained by the matrix inequality technique.