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从转子结构出发 ,讨论转子系统的重要特征参数临界转速 ,建立风机转子 -支承系统力学模型 ,用传递矩阵法计算了系统的动力学特性 ,分析了参数变化对临界转速的影响
Starting from the rotor structure, the critical rotational speed of the rotor system is discussed. The mechanical model of the rotor-bearing system is established. The dynamic characteristics of the system are calculated by transfer matrix method. The influence of the parameter variation on the critical speed is analyzed