sew伺服选型.ppt

TASC Meeting tianjin 2005Driving the worldTASC / Ma Lijun / Meeting tianjin 2005Driving the worldTASC / Ma Lijun / :?计算有效运行点,效核电机的热载荷;?计算最大运行点,效核电机和变频器的连接;?计算负载和电机转动惯量的比值,用于检验速度闭环的稳定性;TASC Meeting tianjin 2005Driving the worldTASC / Ma Lijun / 1TASC Meeting tianjin 2005Driving the worldTASC / Ma Lijun / : m/s2最大的减速度43000 rpm异步伺服电机138 %机械效率7100 N/t摩擦系数6500 m/s2最大的加速度32m/s小车速度29000kg负载重量1参数值名称序号TASC Meeting tianjin 2005Driving the worldTASC / Ma Lijun / :选择异步伺服电机(3000rpm)、 K系列减速机TASC Meeting tianjin 2005Driving the worldTASC / Ma Lijun / :确定减速机速比noutput=vmax/ (D ?π)Isoll=3000(1/min) / (1/min)==2(m/s) / ((m) ?π= (1/min)TASC Meeting tianjin 2005Driving the worldTASC / Ma Lijun / :确定确定动态和静态转矩Mdyn1= F ? D/2 ? 1/ηL =m ? a ? D/2 ? 1/ηLMdyn2= m ?(-a) ? D/2 ?=9000Kg ? ? ? 1/=875 Nm=-9000Kg)? )? ? =-709 NmTASC Meeting tianjin 2005Driving the worldTASC / Ma Lijun / :确定确定动态和静态转矩Mstat= FF? D/2 ? 1/=100N/t ? 9t ? m ? 1/=250 NmTASC Meeting tianjin 2005Driving the worldTASC / Ma Lijun / :确定最大转矩M1max= Mstat + Mdyn1M2max= Mstat + (-Mdyn1). 最大转矩Mmax=1125Nm=250Nm + 875Nm =1125 Nm=250Nm - 709Nm =-495NmTASC Meeting tianjin 2005Driving the worldTASC / Ma Lijun / 的减速箱I=== 1125Nm