Deriving the dynamic equilibrium equation of a 23-DOF vehicle on curved track.

推导了具有23个自由度的车辆通过曲线时的车辆动力平衡方程。

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Secondly, epoch state filter is studied by analyzing its working principle and deriving the state equation and measurement equation.

其次，研究了历元状态滤波算法，分析其工作原理，并推导出了状态方程和测量方程。

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While deriving the finite element equation, get the cable's strain formula considering the big distortion, get its geometry rigidity matrix and elastic rigidity matrix.

在有限元法推导方程的过程中，考虑到拉索大变形的应变表达式，求得它的几何刚度矩阵和弹性刚度矩阵。

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