in this paper the describing function of single-valued symmetric nonlinear characteristics is analysed and simplify methods (lemma 1. lemma 2. theorem 1)dcaculating description function are proved.
本文对单值对称非线性特性的描述函数进行了分析,推导出了简化计算描述函数的方法(引理1、引理2、定理1)。
besides, the paper gives accurate critical values of r by using the describing function of the nonlinear inductance and search method.
文中用非线性电感的描述函数通过逼近法比较準确地确定了临界阻尼电阻。
the describing function method for analyzing the non-linear machine tool chatter is presented in this paper.
本文采用描述函数方法分析机床的非线性颤振。
using the describing function method, this paper gives emphasis to analyse the conditional feedback correction effect on restrain self-sustaining oscillation.
本文利用描述函数法,重点分析了条件反馈校正对自持振蕩的抑制作用。
model deducing of the temperature system, research and analysis of pid arithmetic based on the model are given. furthermore, i deduce the describing function of a series of non-linear integrator.
对温箱系统进行模型推导,并参照温箱模型通过仿真及理论分析对pid控制算法进行研究,且推导了一类非线性积分控制器的描述函数。