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对考虑轴承和基础的转子系统,推导出其特征多项式。用计算多项式零点的单纯轮回算法分析转子系统稳定性,此法解决了初值选取困难的问题,在此基础上,分析了各参数对转子稳定性的影响。
For the rotor system considering bearing and foundation, its characteristic polynomial is deduced. The stability of the rotor system is analyzed by a simple recurrent algorithm which calculates the zero point of the polynomial. This method solves the problem of the initial value selection difficulty. On this basis, the influence of each parameter on the rotor stability is analyzed.