Questions tagged [joint]
The point of contact between elements of a robot with the parts that surround and support it
55
questions
3
votes
1answer
703 views
What do we call a coupling with infinite range of rotation
In most situations, range of motion is limited by the fact that we need to carry power or information past a joint. So, past a certain point there are either cables in the way, or the cables would ...
3
votes
2answers
261 views
What is the name of this mechanical linkage?
I am trying to find a joint like these for a robot I'm building. It is often called a swivel joint or a universal joint, but with a modified spider. I can't find one anywhere and would prefer not to ...
9
votes
1answer
4k views
Building Robotic arm joint
I am very new to robotic design and I need to determine what parts I will need to assemble an arm joint. The joint will contain one timing belt pulley which a remote motor will be turning, a forearm ...
6
votes
3answers
2k views
restricting range of motion with complex constraints
I am looking for a way to restrict a robot's range of motion, using complex constraints such as not tearing of a cable attached to the robot.
Take an articulated 6-axis robot arm as shown below, with ...
20
votes
3answers
13k views
How can the inverse kinematics problem be solved?
The forward kinematics of a robot arm can be solved easily. We can represent each joint using Denavit–Hartenberg transformation matrices.
For example, if the $i^{th}$ joint is a linear actuator, it ...
