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Exploratory Tactile Servoing With Active Touch

Research output: Contribution to journalArticle

Original languageEnglish
Pages (from-to)1156-1163
Number of pages8
JournalIEEE Robotics and Automation Letters
Volume2
Journal issue2
Early online date31 Jan 2017
DOIs
StatePublished - Apr 2017

Abstract

A key unsolved problem in tactile robotics is how to combine tactile perception and control to interact robustly and intelligently with the surroundings. Here we focus on a prototypical task of tactile exploration over surface features such as edges or ridges, which is a principal exploratory procedure of humans to recognize object shape. Our methods were adapted from an approach for biomimetic active touch that perceives stimulus location and identity while controlling location to aid perception. With minor modification to the control policy, to rotate the sensor to maintain a relative orientation and move tangentially (tactile servoing), the method applies also to tactile exploration. Robust exploratory tactile servoing is then attained over various 2D objects, ranging from the edge of a circular disk, a volute laminar, and circular or spiral ridges. Conceptually, the approach brings together active perception and haptic exploration as instantiations of a common active touch algorithm, and has potential to generalize to more complex tasks requiring the flexibility and robustness of human touch.

    Research areas

  • Force and Tactile Sensing, Biomimetics

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  • Full-text PDF (accepted author manuscript)

    Rights statement: This is the author accepted manuscript (AAM). The final published version (version of record) is available online via IEEE at http://ieeexplore.ieee.org/document/7837664/. Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 3 MB, PDF-document

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