The study shows that the magnetic gear has a very small torque fluctuation and an excellent transmission performance.
研究表明，该传动机构转矩波动很小，具有优异的传动性能。
All results show that permanent magnet type retarder using robust design technique can decrease braking torque fluctuation.
结果表明：采用稳健性设计的永磁式缓速器可以较好地改善制动力矩波动率。
The torque fluctuation on the higher speed shaft influences the rattling threshold speed more greatly than on the lower speed shaft.
低速端的扭矩波动对系统拍击门槛转速影响较小，而高速端的扭矩波动对拍击门槛转速影响较大；
Verifying the effect of the friction between teeth on the output torque fluctuation of a spur gearing through the use of experimental method;
采用数值计算方法对无刷直流电机的电枢反应作了分析，指出了电枢反应对力矩波动的影响。
While the load pressure fluctuation, the load torque fluctuation and the rotational speed fluctuation mainly affect the steady performance of the system.
负载压力波动、加载转矩和转速的波动，主要影响系统的稳态性能。
The traditional direct torque control system has existed large torque fluctuation, poor performance of low speed region, inconstant switch frequency, etc.
传统的直接转矩控制存在着转矩脉动大，低速性能差、开关频率不固定等问题。
Then, the effects of current sensor measurement error and non-sinusoidal magnetic field distribution on motor torque fluctuation are theoretically investigated.
然后从理论上研究了电流传感器测量误差和非正弦磁场分布对永磁同步电机转矩波动的影响。
A-operator method (AOM) is used to study the influence of the torque fluctuation and time-varying meshing stiffness on rattling threshold speed of the gear system.
用算符分解算法(AOM)研究了扭矩波动和时变啮合刚度对拍击门槛转速的影响。
The system's global characters are obtained under different input torque fluctuation, backlash, composite transmission error, exciting frequency and damping ratio.
得到了系统在不同的输入转矩波动、齿侧间隙、齿轮综合误差、激励频率和阻尼比参数下系统的全局特性。
In order to have a reliable operation, must reduce the speed fluctuation, namely must effectively restrain the load torque ripple and motor electromagnetic torque ripple of speed fluctuation bring.
为了可靠运行，必须降低转速的波动，即必须有效抑制负载转矩脉动和电机电磁转矩脉动带来的转速波动。
This paper mainly focuses on the fluctuation of velocity and torque of the electromotor because of the variational load in the pumping unit equipment.
摘要抽油机中载荷变化大，易引起电动机转速和转矩的波动。
Current fluctuation is analyzed during coil commutation time and electromagnetic torque is computed and method is given to restrain ripple of electromagnetic torque.
对绕组换相时电流波动进行了分析，并计算了电机电磁转矩，给出了抑制电磁转矩脉动的方法。
The torque transfer function of electromechanical integrated toroidal drive is developed, and the practical torque responses with fluctuation are obtained.
推导了机电集成超环面传动的力矩传递函数，得到了考虑力矩波动的实际力矩响应规律。
But its major disadvantages are the big vibration caused by torque moment fluctuation, which leads to high noise, and further affects the comfortableness and smoothness of automobiles.
缺点主要是由于转矩波动引起的振动较大，易产生噪声，进而使车辆的舒适性和平顺性降低。
The fluctuation value of input torque may be obtained by the method given in the paper. Input torque may be balanced by components added.
对输入扭矩函数采用本文提出的积分消去法得到了其波动函数，用综合变速转子法对输入扭矩波动进行了优化平衡。
The load rate, load fluctuation rate and actual distribution of the torque moments of partial spindle of the mill have been analyzed.
分析了三辊劳特式轧机的负荷率、负荷波动率水平及分轴扭矩的分配实况。
Test results show that fluctuation of torque output and engine speed, HC emission and its rise ratio are all affected by excess air ratio.
研究结果表明：扭矩波动、转速波动、HC排放值和HC升高率都受空燃比的影响，并且它们的变化趋势具有较好的一致性；
Test results show that fluctuation of torque output and engine speed, HC emission and its rise ratio are all affected by excess air ratio.
研究结果表明：扭矩波动、转速波动、HC排放值和HC升高率都受空燃比的影响，并且它们的变化趋势具有较好的一致性；
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