April 2025
Beginner to intermediate
220 pages
7h 59m
English
Content preview from Make: Robotic Arms
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168 Make: Robotic Arms
When we use these two new graphs together, we can get an accurate
representation of each link joint, as well as the position of the end effector,
in x, y, and z. These two graphs will be key to determining the inverse
kinematics for our three-DOF robotic arm (Figure
9-3
).
STEP 1: FINDING THE VALUE OF OUR D VARIABLE
One of the first variables we can determine is d. This variable, which can
be seen in both graphs, represents the linear distance between joint 2 in
our robotic arm and the end effector. More specifically, it represents this
distance in reference to the x-axis. It’s important to note that this distance
is not ...
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