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首次提出了一种设计和分析轴系扭振的四端网络方法，给出了其模型结构及处理方法。将扭振系统视为一个整体，从系统的输入阻抗入手，根据不同的谐振特征，可得到频率方程及两端扭转角速度比的一般式，由此来分析轴系扭振的频率特性、阻抗特性、各阶模态等性能。与传统方法相比，四端网络法的模型精确，算法简便迅速，无累积误差，易于实现计算机辅助设计和分析。
For the first time, a method of designing and analyzing the four-terminal network of torsional vibration of shaft system is proposed. Its model structure and processing method are given. Torsional vibration system as a whole, starting from the input impedance of the system, according to the different resonant characteristics, can be frequency equations and torsional angular velocity ratio of the two ends of the general formula, thus to analyze the frequency characteristics of torsional vibration shaft, impedance characteristics , Each mode and other performance. Compared with the traditional method, the model of the four-terminal network method is accurate, the algorithm is simple and rapid, without cumulative error, easy to implement computer-aided design and analysis.