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Collaborative Mobile Robots

Northwestern University’s Center for Robotics and Biosystems has developed collaborative robots for human-robot collaboration. 

collaborative robots-collaborative manipulation
Mobile Cobots. Image credit: Northwestern University’s Center for Robotics and Biosystems

In the experiment, three Omnid mobile collaborative robots (mobile cobots) are carrying a large pipe, and they float the pipe so that it has six degrees of freedom (three for positions: x, y, and z movements, and three for orientations: roll, pitch, and yaw rotations) and can easily be controlled by a human operator. Delta robots are three dofs series-elastic manipulators and mobile bases feature three-dof mecanum omnidirectional wheels. 

collaborative robots-delta robot-mobile base
Image credit: Northwestern University’s Center for Robotics and Biosystems

Our comprehensive lesson below provides more information on degrees of freedom for robots:

The collaborative robots are controlled by a distributed control system that enables increasing the number of robots involved in the collaborative manipulation. 

Watch a short video of their research below:

More information:
https://robotics.northwestern.edu/

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Here is an open-source six-axis robotics arm to learn about collaborative robots:

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