摘要
应用前报(本刊上一期)导出的管路动态分布参数模型传递矩阵中基本元素的近似,可以推导出管内流体变量间各传递函数的近似表示式。这些近似式形式非常简单,均由比例、微分、积分,一阶惯性和二阶振荡环节的线性组合所组成,在所关心的频率范围内,和分布参数模型的原式相当一致。求解近似模型的整个计算过程都可以通过一个通用的计算机程序来实现。
The approximations of basic elements of transfer matrix derived in the preceding paper are utilized to acquire accurate approximations of transfer functions among the fluid variables in hydraulic pipe dynamics. The approximations are simple form of linear combination of proportional element, differential element, integral element, first order lag elements and the second order lag elements, and they agree well with original expressions of the distribution parameter model within the range of concerned frequency. The all calculation procedures for the approximations are carried out by a commonly used computer program.
出处
《机床与液压》
北大核心
1989年第2期31-40,共10页
Machine Tool & Hydraulics
