建立了射孔段套管弹性抗挤性能分析控制一般方程,并采用摄动理论给出了的孔段套管弹性抗挤能力降低系数一般计算公式。
This paper gives the elastic differential equation of collapse of perforated casing, and a general formula for reduction factor of elastic collapsing by perturbation method.
基于预瞄跟随理论,本文应用一般随机摄动法,对考虑驾驶员不确定性的人-车闭环系统进行响应分析。
Taking the uncertainty of driver parameters into account, the dynamic response of driver-vehicle closed-loop system is analyzed based on the preview follow theory and stochastic perturbation method.
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