Because of oscillation of the blower load the variation of angular velocity of the blower rotor and beats in lower frequency are inevitable.
与风机负荷的波动相关，风机转子的角速度变化及相伴的低频拍振是不可避免的。
Like synchronous motor, rotor magnetic pole center line could lagged behind an Angle of that of air-gap magnetic field under the function of load torque (called angular displacement).
步进电动机象同步电动机一样，在负载转矩的作用下，转子磁极中心线将滞后于气隙磁场的中心线一个角度，称为失调角。
It sets forth the computing method of rotor moment of inertia of the propeller and engine as well as the computing method of additional moment or angular velocity produced by precession.
阐述了螺旋桨和发动机转子转动惯量的计算方法，由进动产生的附加力矩或角速度的计算方法。
The dynamics of rotor-bearing system is affected largely by the angular stiffness of the gear couplings, hence the experimental investigation is necessary for the characteristics of the system.
齿轮联轴器的转角刚度对系统的动力学特性影响较大，因此有必要对其进行实验研究。
The rotor angular velocity is calculated with the observed estimations, including the rotor angular velocity, to realize the speed sensorlesss control.
并用含转子角转速的观测估计值算出转子角转速，实现了无速度传感器控制。
For a quasi steady-state active balancing system of a speed-varying rotor, according to certain time steps the varying speed of the rotor is discretized into finite constant angular speeds.
对变速转子准稳态主动平衡系统，可按一定时间步长把变转速离散成有限个转动角速度。
Finally, the nonlinear dynamics characteristics of rotor system with angular misalignment are analyzed by the numerical method.
最后，采用数值方法分析了具有转角不对中故障转子系统的非线性动力学特性。
Finally, the nonlinear dynamics characteristics of rotor system with angular misalignment are analyzed by the numerical method.
最后，采用数值方法分析了具有转角不对中故障转子系统的非线性动力学特性。
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