我做整车模型仿真是出现下面信息:
WARNING: The symbolic refactorization failed. The matrix is structurally singular
at time = 3.1991.
WARNING: The symbolic refactorization failed. The matrix is structurally singular
at time = 3.1991.
WARNING: The symbolic refactorization failed. The matrix is structurally singular
at time = 3.1991.
单纯从警告来看,造成矩阵奇异的原因很多,比如建模中的运动副不合适,构件转动惯量没有满足Ixx+Iyy>Izz等。
而且,仿真中出现警告(warning)并不代表仿真失败,有时是可以允许的
而且,仿真中出现警告(warning)并不代表仿真失败,有时是可以允许的
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