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In the near future, as robots become more advanced and affordable, we can envision their use as intelligent assistants in a variety of domains. An exemplar human-robot task identified in many previous works is cooperatively carrying a physically large object. An important task objective is to keep the carried object level. In this work, we propose an admittance-based controller that maintains a level...
In this study, we investigate and characterize haptic interaction in human-to-human handovers and identify key features that facilitate safe and efficient object transfer. Eighteen participants worked in pairs and transferred weighted objects to each other while we measured their grip forces and load forces. Our data show that during object transfer, both the giver and receiver employ a similar strategy...
Unwanted conflicts are inevitable between collaborating agents that share spaces and resources. Motivated by the use of nonverbal communications as a conflict resolution mechanism by humans, this study investigates the communicative capabilities reflected in the trajectory characteristics of hesitation gestures during human-robot collaboration. Hesitation gestures and non-hesitation human arm motions...
Intelligent robot assistants will be simpler for laypersons to use if the robots are able to cooperate with their users anthromimetically. However, designing an anthromimetic robot controller requires knowledge of human behavior in the domain of interest. Previous works have identified cooperative carrying as an ideal task for robotic assistants, but studies of human behavior in this domain are few...
Intelligent robot assistants will be simpler for laypersons to use if the robots are able to cooperate with their users anthromimetically. However, designing an anthromimetic robot controller requires knowledge of human behavior in the domain of interest. Previous works have identified cooperative carrying as an ideal task for robotic assistants, but studies of human behavior in this domain are few...
Unwanted conflicts are inevitable between collaborating agents that share spaces and resources. Motivated by the use of nonverbal communications as a conflict resolution mechanism by humans, this study investigates the communicative capabilities reflected in the trajectory characteristics of hesitation gestures during human-robot collaboration. Hesitation gestures and non-hesitation human arm motions...
When a complex mission must be undertaken, it often can be simplified by dividing it into a sequence of smaller subtasks, which are then completed in order. This strategy implicitly requires a system to recognize the completion of each subtask and make the decision to begin work on the next one. Decentralized multiple-robot systems can tackle many tasks, but their behavior is typified by continuous...
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