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本文采用状态空间分析法，应用键合图有效而简便地建立了所研究系统的状 态方程。该法可以较方便地考虑一些非线性因素，可以是多输入变量和多输出变 量，状态变量的初始值也不一定限于零。经过计算机计算，可以得到感兴趣的若干 输出变量的动态过程，因此特别适用于分析研究比较复杂的液压系统。本文选择了 一个较典型的系统进行了理论分析，并用试验的结果进行比较，证明这种方法是切 实可行的。
In this paper, the state space analysis method is used to establish the state equation of the system under study by using the bond graph effectively and conveniently. The method can easily consider some of the non-linear factors, which can be multiple input variables and multiple output variables, the initial value of the state variable is not necessarily limited to zero. After computer calculation, you can get the dynamic process of a number of output variables of interest, so it is especially suitable for the analysis of more complex hydraulic system. This paper chooses a more typical system for theoretical analysis, and compares the results with the test to prove that this method is feasible.