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。
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.
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；
The torque fluctuation on the higher speed shaft influences the rattling threshold speed more greatly than on the lower speed shaft.
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 fluctuation value of input torque may be obtained by the method given in the paper. Input torque may be balanced by components added.
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.
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。
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。
The load rate, load fluctuation rate and actual distribution of the torque moments of partial spindle of the mill have been analyzed.
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