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  • 1.
    Billing, Erik A.
    et al.
    Department of Computing Science, Umeå University, Umeå, Sweden.
    Hellström, Thomas
    Department of Computing Science, Umeå University, Umeå, Sweden.
    A formalism for learning from demonstration2010In: Paladyn - Journal of Behavioral Robotics, ISSN 2080-9778, E-ISSN 2081-4836, Vol. 1, no 1, p. 1-13Article in journal (Refereed)
    Abstract [en]

    The paper describes and formalizes the concepts and assumptions involved in Learning from Demonstration (LFD), a common learning technique used in robotics. LFD-related concepts like goal, generalization, and repetition are here defined, analyzed, and put into context. Robot behaviors are described in terms of trajectories through information spaces and learning is formulated as mappings between some of these spaces. Finally, behavior primitives are introduced as one example of good bias in learning, dividing the learning process into the three stages of behavior segmentation, behavior recognition, and behavior coordination. The formalism is exemplified through a sequence learning task where a robot equipped with a gripper arm is to move objects to specific areas. The introduced concepts are illustrated with special focus on how bias of various kinds can be used to enable learning from a single demonstration, and how ambiguities in demonstrations can be identified and handled.

  • 2.
    Durán, Boris
    et al.
    University of Skövde, School of Humanities and Informatics. University of Skövde, The Informatics Research Centre.
    Lee, Gauss
    University of Skövde, School of Humanities and Informatics. University of Skövde, The Informatics Research Centre.
    Lowe, Robert
    University of Skövde, School of Humanities and Informatics. University of Skövde, The Informatics Research Centre.
    Learning a DFT-based sequence with reinforcement learning: A NAO implementation2012In: Paladyn - Journal of Behavioral Robotics, ISSN 2080-9778, E-ISSN 2081-4836, Vol. 3, no 4, p. 181-187Article in journal (Refereed)
  • 3.
    Esteban, Pablo G.
    et al.
    Robotics and Multibody Mechanics Research Group, Agile & Human Centered Production and Robotic Systems Research Priority of Flanders Make, Vrije Universiteit Brussel, Brussels, Belgium.
    Baxter, Paul
    Centre for Robotics and Neural Systems, Plymouth University, Plymouth, United Kingdom.
    Belpaeme, Tony
    Centre for Robotics and Neural Systems, Plymouth University, Plymouth, United Kingdom.
    Billing, Erik
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Cai, Haibin
    School of Computing, University of Portsmouth, Portsmouth, United Kingdom.
    Cao, Hoang-Long
    Robotics and Multibody Mechanics Research Group, Agile & Human Centered Production and Robotic Systems Research Priority of Flanders Make, Vrije Universiteit Brussel, Brussels, Belgium.
    Coeckelbergh, Mark
    Centre for Computing and Social Responsibility, Faculty of Technology, De Montfort University, Leicester, United Kingdom.
    Costescu, Cristina
    Department of Clinical Psychology and Psychotherapy, Babeş-Bolyai University, Cluj-Napoca, Romania.
    David, Daniel
    Department of Clinical Psychology and Psychotherapy, Babeş-Bolyai University, Cluj-Napoca, Romania.
    De Beir, Albert
    Robotics and Multibody Mechanics Research Group, Agile & Human Centered Production and Robotic Systems Research Priority of Flanders Make, Vrije Universiteit Brussel, Brussels, Belgium.
    Fang, Yinfeng
    School of Computing, University of Portsmouth, Portsmouth, United Kingdom.
    Ju, Zhaojie
    School of Computing, University of Portsmouth, Portsmouth, United Kingdom.
    Kennedy, James
    Centre for Robotics and Neural Systems, Plymouth University, Plymouth, United Kingdom.
    Liu, Honghai
    School of Computing, University of Portsmouth, Portsmouth, United Kingdom.
    Mazel, Alexandre
    Softbank Robotics Europe, Paris, France.
    Pandey, Amit
    Softbank Robotics Europe, Paris, France.
    Richardson, Kathleen
    Centre for Computing and Social Responsibility, Faculty of Technology, De Montfort University, Leicester, United Kingdom.
    Senft, Emmanuel
    Centre for Robotics and Neural Systems, Plymouth University, Plymouth, United Kingdom.
    Thill, Serge
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Van de Perre, Greet
    Robotics and Multibody Mechanics Research Group, Agile & Human Centered Production and Robotic Systems Research Priority of Flanders Make, Vrije Universiteit Brussel, Brussels, Belgium.
    Vanderborght, Bram
    Robotics and Multibody Mechanics Research Group, Agile & Human Centered Production and Robotic Systems Research Priority of Flanders Make, Vrije Universiteit Brussel, Brussels, Belgium.
    Vernon, David
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Yu, Hui
    School of Computing, University of Portsmouth, Portsmouth, United Kingdom.
    Ziemke, Tom
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    How to Build a Supervised Autonomous System for Robot-Enhanced Therapy for Children with Autism Spectrum Disorder2017In: Paladyn - Journal of Behavioral Robotics, ISSN 2080-9778, E-ISSN 2081-4836, Vol. 8, no 1, p. 18-38Article in journal (Refereed)
    Abstract [en]

    Robot-Assisted Therapy (RAT) has successfully been used to improve social skills in children with autism spectrum disorders (ASD) through remote control of the robot in so-called Wizard of Oz (WoZ) paradigms.However, there is a need to increase the autonomy of the robot both to lighten the burden on human therapists (who have to remain in control and, importantly, supervise the robot) and to provide a consistent therapeutic experience. This paper seeks to provide insight into increasing the autonomy level of social robots in therapy to move beyond WoZ. With the final aim of improved human-human social interaction for the children, this multidisciplinary research seeks to facilitate the use of social robots as tools in clinical situations by addressing the challenge of increasing robot autonomy.We introduce the clinical framework in which the developments are tested, alongside initial data obtained from patients in a first phase of the project using a WoZ set-up mimicking the targeted supervised-autonomy behaviour. We further describe the implemented system architecture capable of providing the robot with supervised autonomy.

  • 4.
    Thill, Serge
    et al.
    University of Skövde, The Informatics Research Centre. University of Skövde, School of Humanities and Informatics.
    Pop, Cristina A.
    Department of Clinical Psychology and Psychotherapy, Babes-Bolyai University, Cluj-Napoca, Romania.
    Belpaeme, Tony
    Department of Mechanical Engineering, Vrije Universiteit Brussel, Belgium.
    Ziemke, Tom
    University of Skövde, The Informatics Research Centre. University of Skövde, School of Humanities and Informatics.
    Vanderborght, Bram
    School of Computing, Communications and Electronics, University of Plymouth, UK.
    Robot-assisted therapy for autism spectrum disorders with (partially) autonomous control: Challenges and outlook2012In: Paladyn - Journal of Behavioral Robotics, ISSN 2080-9778, E-ISSN 2081-4836, Vol. 3, no 4, p. 209-217Article in journal (Refereed)
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