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CS
CE
452
In
tro
to
Ro
bo
tics
Question Set 3 – Inverse Kinematics
1
CS
CE
452
In
tro
to
Ro
bo
tics
C
SC
E 4
52 I
ntr
o t
o R
ob
oti
cs
PPR
z0
y0
0(z3, y3) α3
Given 0(z3, y3, α3) and frame {0}, perform the following tasks:
• Attach frames {1}, {2}, and {3} to the robot
• Draw (d1, d2, 3) on the figure
• Find (d1, d2, 3) as the function of 0(z3, y3, α3)
x0
L2
CS
CE
452
In
tro
to
Ro
bo
tics
C
SC
E 4
52 I
ntr
o t
o R
ob
oti
cs
PPR
Z0,1
y0
0(z3, y3)
α3
Given 0(z3, y3, α3) and frame {0}, perform the following tasks:
• Attach frames {1}, {2}, and {3} to the robot
• Draw (d1, d2, 3) on the figure
• Find (d1, d2, 3) as the function of 0(z3, y3, α3)
x1
Z2
Z3
x0
x2
x3
d2
d1
L2 3
CS
CE
452
In
tro
to
Ro
bo
tics
C
SC
E 4
52 I
ntr
o t
o R
ob
oti
cs
PPR
Z0,1
y0
0(z3, y3)
α3
Given 0(z3, y3, α3) and frame {0}, perform the following tasks:
• Attach frames {1}, {2}, and {3} to the robot
• Draw (d1, d2, 3) on the figure
• Find (d1, d2, 3) as the function of 0(z3, y3, α3)
x1
Z2
Z3
x0
x2
x3
d2
d1
L2 3
CS
CE
452
In
tro
to
Ro
bo
tics
C
SC
E 4
52 I
ntr
o t
o R
ob
oti
cs
RPR Robot
x0
y0
0(x3, y3) α3
1
3γ
Given 0(x3, y3, α3) and frame {0}, perform the following tasks:
• Attach frames {1}, {2}, {3} to the robot
• Draw (1, d2, 3) on the figure
• Find (1, d2, 3) as the function of 0(x3, y3, α3)
L2
CS
CE
452
In
tro
to
Ro
bo
tics
C
SC
E 4
52 I
ntr
o t
o R
ob
oti
cs
RPR
x0
y0
0(x3, y3) α3
90+1
3γ
d2
L2
φZ0,1
Z2
Z3
Given 0(x3, y3, α3) and frame {0}, perform the following tasks:
• Attach frames {1}, {2}, and {3} to the robot
• Draw (1, d2, 3) on the figure
• Find (1, d2, 3) as the function of 0(x3, y3, α3)
x1
-1
x2
x3
CS
CE
452
In
tro
to
Ro
bo
tics
C
SC
E 4
52 I
ntr
o t
o R
ob
oti
cs
RPR
x0
y0
0(x3, y3) α3
90+1
3γ
d2
L2
φZ0,1
Z2
Z3
Given 0(x3, y3, α3) and frame {0}, perform the following tasks:
• Attach frames {1}, {2}, and {3} to the robot
• Draw (1, d2, 3) on the figure
• Find (1, d2, 3) as the function of 0(x3, y3, α3)
x1
-1
x2
x3
22
23
232 Lyxd
90)/arctan(),(2tana
)/arctan(),(2tana
)/arctan(90
22331
2233
221
dLxy
dLxy
dL
133
33