5-PSS/UPU并联机构的多目标性能参数优化

李研彪,郑航,徐梦茹,罗怡沁,孙鹏

Multi-target parameters of performance optimization for 5-PSS/UPU parallel mechanism

Yan-biao LI,Hang ZHENG,Meng-ru XU,Yi-qin LUO,Peng SUN

表 4 主成分分析法分析计算结果

Tab.4 Analysis and calculation results of principle component analysis

特征值 特征向量 ${\delta _i}\Big/\text{%}$ ${\delta {^{\rm t}_i}}\Big/\text{%}$ 2.00 [0.63, 0.32, 0.66, 0.25] 50.31 50.31 1.17 [−0.34, 0.63, −0.23, 0.66] 29.44 79.75 0.75 [0.25, −0.65, −0.19, 0.69] 18.87 98.62 0.055 [0.65, 0.27, −0.69, −0.17] 1.38 100.00