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The arm tag is intended to be used for questions relating to robotic arms from, small hobby arms with only 1 or 2 degrees of freedom to large industrial robots with complex joint assemblies. For the ARM CPU, use the tag arm-cpu.

5 votes

How to speed up robotic arm?

You might be able to speed up the arm's movement in a purely mechanical way -- non-invasively. For example, you could extend the arm and use the rotation of the base to ring the bell. Or, you could …
Ian's user avatar
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1 vote

How to know what type of stepper motors to use when designing a robot

The key phrase in your question is "most suitable". Only you can define what this means. Generally you need to understand the requirements of your project -- in hard numbers -- before you can make d …
Ian's user avatar
  • 11k
8 votes
Accepted

Stabilizing a Robot Arm at a Specified Height

This sounds like a classic case for a PID controller. The "derivative" part of this controller will help prevent the arm from oscillating as you move to a new angle, and the "integral" part will help …
Ian's user avatar
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1 vote

Issues upgrading Arduino code for Kinect controlled arm from 2 servos to 4

I can see two potential problems. The first is that you're only declaring the servoAngles array to have two elements: int servoAngles[] = {0, 0}; Your code is equivalent to this: int servoAngles[ …
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1 vote

Difference between g-value and rhs-value in Lifelong Planning A*

From the paper, $g(s)$ is only an estimate of the distance travelled (vs a direct measurement, which is how A* computes it). The rhs-values are one-step lookahead values based on the g-values and …
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