Reducing uncertainty in human-robot interaction: A cost analysis approach

Junaed Sattar, Gregory Dudek

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations


We present a technique for robust human-robot interaction taking into consideration uncertainty in input and task execution costs incurred by the robot. Specifically, this research aims to quantitatively model confirmation feedback, as required by a robot while communicating with a human operator to perform a particular task. Our goal is to model human-robot interaction from the perspective of risk minimization, taking into account errors in communication, “risk” involved in performing the required task, and task execution costs. Given an input modality with non-trivial uncertainty, we calculate the cost associated with performing the task specified by the user, and if deemed necessary, ask the user for confirmation. The estimated task cost and the uncertainty measure is given as input to a Decision Function, the output of which is then used to decide whether to execute the task, or request clarification from the user. In cases where the cost or uncertainty (or both) is estimated to be exceedingly high by the system, task execution is deferred until a significant reduction in the output of the Decision Function is achieved. We test our system through human-interface experiments, based on a framework custom designed for our family of amphibious robots, and demonstrate the utility of the framework in the presence of large task costs and uncertainties.We also present qualitative results of our algorithm from field trials of our robots in both open-and closed-water environments.

Original languageEnglish (US)
Title of host publicationExperimental Robotics - The 12th International Symposium on Experimental Robotics
EditorsOussama Khatib, Vijay Kumar, Gaurav Sukhatme
PublisherSpringer Verlag
Number of pages15
ISBN (Electronic)9783642285714
StatePublished - 2014
Event12th International Symposium on Experimental Robotics, ISER 2010 - New Delhi, Agra, India
Duration: Dec 18 2010Dec 21 2010

Publication series

NameSpringer Tracts in Advanced Robotics
ISSN (Print)1610-7438
ISSN (Electronic)1610-742X


Other12th International Symposium on Experimental Robotics, ISER 2010
CityNew Delhi, Agra

Bibliographical note

Publisher Copyright:
© Springer-Verlag Berlin Heidelberg 2014.


Dive into the research topics of 'Reducing uncertainty in human-robot interaction: A cost analysis approach'. Together they form a unique fingerprint.

Cite this