Title
Reusing Risk-Aware Stochastic Abstract Policies In Robotic Navigation Learning
Abstract
In this paper we improve learning performance of a risk-aware robot facing navigation tasks by employing transfer learning; that is, we use information from a previously solved task to accelerate learning in a new task. To do so, we transfer risk-aware memoryless stochastic abstract policies into a new task. We show how to incorporate risk-awareness into robotic navigation tasks, in particular when tasks are modeled as stochastic shortest path problems. We then show how to use a modified policy iteration algorithm, called AbsProb-PI, to obtain risk-neutral and risk-prone memoryless stochastic abstract policies. Finally, we propose a method that combines abstract policies, and show how to use the combined policy in a new navigation task. Experiments validate our proposals and show that one can find effective abstract policies that can improve robot behavior in navigation problems.
Year
DOI
Venue
2013
10.1007/978-3-662-44468-9_23
ROBOCUP 2013: ROBOT WORLD CUP XVII
Keywords
Field
DocType
Risk-Awareness, Memoryless Stochastic Abstract Policies, Transfer Learning
Computer vision,Shortest path problem,Reuse,Simulation,Computer science,Transfer of learning,Artificial intelligence,Behavior-based robotics,Robot,Machine learning
Conference
Volume
ISSN
Citations 
8371
0302-9743
0
PageRank 
References 
Authors
0.34
14
4
Name
Order
Citations
PageRank
Valdinei Freire da Silva1256.86
Marcelo Li Koga230.77
Fábio Cozman31810.16
Anna Helena Reali Costa419231.97