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Improving the Reliability of Service Robots in the Presence of External Faults by Learning Action Execution Models

  • While executing actions, service robots may experience external faults because of insufficient knowledge about the actions' preconditions. The possibility of encountering such faults can be minimised if symbolic and geometric precondition models are combined into a representation that specifies how and where actions should be executed. This work investigates the problem of learning such action execution models and the manner in which those models can be generalised. In particular, we develop a template-based representation of execution models, which we call delta models, and describe how symbolic template representations and geometric success probability distributions can be combined for generalising the templates beyond the problem instances on which they are created. Our experimental analysis, which is performed with two physical robot platforms, shows that delta models can describe execution-specific knowledge reliably, thus serving as a viable model for avoiding the occurrence of external faults.

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Document Type:Conference Object
Author:Alex MitrevskiORCiD, Anastassia Kuestenmacher, Santosh Thoduka, Paul G. Plöger
Parent Title (English):IEEE International Conference on Robotics and Automation (ICRA), Singapore, May 29 - June 3, 2017
First Page:4256
Last Page:4263
Date of first publication:2017/07/24
Abstract provided by the author.
Departments, institutes and facilities:Fachbereich Informatik
Dewey Decimal Classification (DDC):0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme / 004 Datenverarbeitung; Informatik
Entry in this database:2017/03/27