For the 3-DOF Industrial manipulator arm as shown in Figure 3, determine the joint displacements for known position and orientation of the end of the arm point.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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For the 3-DOF Industrial manipulator arm as shown in Figure 3, determine
the joint displacements for known position and orientation of the end of the
arm point.
0.
0.
Y1A
Y2 A
Y3
X2
X3
21
22
23
Yo
xo
Figure 3. 3 DOF RRR Industrial manipulator arm
The link transformation matrices are given by
C3 -S3 0 a3C3
S3 C3
1
C2 -S2 0 a,C2
C1
S1
-S1
-C1
d1
S2
C2
2T3
%3D
T2
1
1
1
1
1
S1
C\C2a3+C1a2
C1C2C3 – C1S2S3 -C¡C2S3 – C1S2S3
S,C2C3 – S1S2S3 -SĄC2S3 – S1 S2C3 -C1 SịC2a3+ Sja2
Szaz + d1
1
OT3 =
= °T, 'T2 ?T3
S½C3 + C2S3
- S2S3 + C2C3
Transcribed Image Text:For the 3-DOF Industrial manipulator arm as shown in Figure 3, determine the joint displacements for known position and orientation of the end of the arm point. 0. 0. Y1A Y2 A Y3 X2 X3 21 22 23 Yo xo Figure 3. 3 DOF RRR Industrial manipulator arm The link transformation matrices are given by C3 -S3 0 a3C3 S3 C3 1 C2 -S2 0 a,C2 C1 S1 -S1 -C1 d1 S2 C2 2T3 %3D T2 1 1 1 1 1 S1 C\C2a3+C1a2 C1C2C3 – C1S2S3 -C¡C2S3 – C1S2S3 S,C2C3 – S1S2S3 -SĄC2S3 – S1 S2C3 -C1 SịC2a3+ Sja2 Szaz + d1 1 OT3 = = °T, 'T2 ?T3 S½C3 + C2S3 - S2S3 + C2C3
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