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Developing the functional features to perform activities is not the only challenge in robot development that deserves the attention of robot developers.
This might be the case just prior to grasping or when the robot is holding on to something fixtured elsewhere in the environment.
For stability, there must be some initial compliancy either in the robot or in the environment.
from two experiments in a real environment show that accuracy of robot position is elevated and that robot position data is not lost irrespective of robot's environment.
Proceedings ArticleDOI
28 Aug 2007
85 Citations
If developers use a robot model that is not similar enough to the actual robot, then their results can be meaningless.
Proceedings ArticleDOI
Homayoon Kazerooni, T. I. Tsay 
24 Apr 1988
43 Citations
The authors show that for stability of the robot, there must be some initial compliancy either in the robot or in the environment.
The smoothness of the robot motion is improved, the reasonable magnitudes of the robot velocities and a better target tracking performance are achieved.
This is a novel system since it does not require an external motion capture system or GPS and is able to execute formation tasks without inter-robot collisions.
Finally, hands-on control experiments reveal the absence of robot vibrations, induced by incipient instability, either in the robot measurements or in the feeling perceived by the human operator, and demonstrate that stability is guaranteed without causing an excessive human effort in the execution of the task.