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Which country in the world has maximum number of working robot? 

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The higher the number of DOF implies that more actuators are being fixed onto the robot.
In the previous papers, we have shown that this manner of controlling multiple robots can decrease the number of required robot resources in the three-robot case.
This means that human-robot interaction using social robots must be studied in the different regions all over the world to address the different needs.
Here, an under-constrained version of this robot is manufactured which has the larger applicable workspace and the probability of cable interference is less.
This paper proposes a kinematic control strategy which enforces safety, while maintaining the maximum level of productivity of the robot.

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