第三章课后习题答案
3。3和3。4 步骤:
1、建立坐标系; 2、列D-H参数表;
i1i1D3、根据 iT R X ( i 1 ) X ( a i 1 )R Z ( i ) D Z ( d i) 写出 iT ;
01210T 写出 N4、根据 N T 0 T 2 T 3T ... N T1N
3.3具体计算:
i 1 2 3 c1s1s c110 T100 00
c3s3
sc3 323T 00 00
i10 90° 0 ai 10 L1 L2 id0 0 0 i 1 2 3001000011012T00000110000c2s020010s2c2000L10010010L2001001Bw12T0T3T1T23。4具体计算:
i 1 2 3 i10 90° 0 ai 10 0 L3 idL1+L2 0 0 i 1 2 3 0c1s101000c2 s0010sc0011012 1T2T00100001L1L2 000100010
c3s30L3 sc00332 T30010
0001
3。8具体计算:
BBT因为标定过程中{G}和{T}是重合的,所以 TGT则: BWBSTTWTST GT B1BS W TT W T S T G T
s2c200001000013.9具体计算:
l202Ptip0102Ptip02TPtip
3.13、3。15—3.21答案