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我在求6r偏置型机器人的逆解时,令末端矩阵为Te1,反求得6个关节的转角值,然后把6个关节转角值,带入到正运动解程序,得出末端矩阵为MatrixT_sum ,对比发现,这两个矩阵并不相等,而是存在误差,这是为什么?( `3 Q+ U6 }) b( ?; ~
Te1 =
9 c% i+ i- i" V% c4 }. p. Z
( I4 y& }( {5 M/ } 1.0e+002 *
1 |7 _: a5 b. q& y
" f# h- p$ z6 m- E k 0.008660000000000 -0.005000000000000 0 8.1999999999999992 P+ i8 L6 s. Z( c. S( j6 X/ ]
-0.004330000000000 -0.007500000000000 0.005000000000000 0
+ q, v+ H# f" v) Z6 @+ `0 c -0.002500000000000 -0.004330000000000 -0.008660000000000 7.700000000000000
, m# V/ O' N, O3 I 0 0 0 0.010000000000000# v9 n6 P g. {
( h7 _% X5 _# D5 l) z( h
- N9 q9 }( G# a i
6 M/ j" @7 V( i+ _# U6 E4 Z. dMatrixT_sum =
0 B, F+ j+ @0 S8 E/ V9 Z
2 s7 r: M. h9 B n* J 1.0e+002 *
; t+ D$ E' } f" L# l, W+ m1 M& b7 G2 e& v" l7 f$ O3 @: N- q
0.008396072629216 -0.005427284169382 -0.000224835383576 8.3073657109642029 Q3 o0 u6 l& S5 N4 D5 e$ R
-0.004661616904446 -0.007411698767038 0.004830740028491 0.007921828815836$ l" }! P. ^, t
-0.002788421101827 -0.003951114770727 -0.008752908078315 8.184689652056321$ M( l% S, b4 O( X* B, {- T% G" t
0 0 0 0.010000000000000! l/ a- j" e4 U2 J7 |
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