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matlab robotics toolbox的逆运动学求解ikine为题。
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clear all;, D% s b$ z' y9 P2 u G( \
clc;% N# q8 j$ Y& Z
startup_rvc;
+ ^! O: J8 v& ]/ e' gL(1) = Link([0,0.194,0.45,0,0]);
- x m! L2 |+ D9 YL(1).qlim=([-130*pi/180,130*pi/180]);
1 h' t& E* m! O. G5 u/ u8 ^L(2) = Link([0,0.072,0.35,0,0]);
6 J% u. u, v+ t! N& CL(2).qlim=([-5*pi/6,5*pi/6]);5 ?) y4 C4 {* \7 E1 c" }
L(3) = Link([0,0,0,0,1]);
5 L* F& ]% Y( V3 }L(3).qlim=[0,0.5]; : S& m9 ?+ j! L- c- ~; q2 R! Z
L(4) = Link([0,0,0,0,0]);! C) r7 T. s- Q, B: h, t* }
L(4).qlim=([-pi,pi]);
d( v+ A# @- P- ]: N8 k% Hbot = SerialLink(L); %连接连杆
, b; A4 C% J* k! y0 Tbot.name='SCARA';. l8 Y/ `" x Z/ k
bot.display() %显示D-H参数表( Z( y" c( q3 M0 L8 C a9 ]5 G0 j
bot.teach()# t: G4 t' W6 `% E& q. E
7 n9 z- @. P/ {; l( G7 XT=[-0.2588 0.9659 0 0.1344;-0.9659 -0.2588 0 0.7278;0 0 1 0.366;0 0 0 1]0 W# X$ t) P9 w; x% ^
inverse_kinematics=bot.ikine(T) %逆向运动学. 这个逆解为啥就是不能求?????
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theta1=inverse_kinematics(1);: D$ E Q) o7 t2 r! }+ R/ S" U
theta2=inverse_kinematics(2);2 N" V) A0 K0 G4 e% u
d=inverse_kinematics(3);
3 m: A( D9 ?3 X9 M; u7 \theta4=inverse_kinematics(4);
0 q8 ?$ J4 o: k" E1 s& p4 Z% D; Yforward_kinematics=bot.fkine([theta1 theta2 d theta4])7 r% C5 K6 L* P( J- B
错误信息:
- ]& N5 C/ ^3 v9 P$ b9 r$ sError using SerialLink/ikine (line 164)
& i1 ?5 W' U, P+ \3 kNumber of robot DOF must be >= the same number of 1s in the mask matrix+ C V7 l4 C* I% ~* s' K5 s
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Error in ikine (line 19); V. k, ^& ` O3 P
inverse_kinematics=bot.ikine(T)
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) Y! c' u9 D5 \* Y想问下大家这个错误信息的自由度问题怎么解决?
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