Caging Complex Objects with Geodesic Balls
2013 (English)In: Proceedings of the 2013 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2013), IEEE , 2013, 2999-3006 p.Conference paper (Refereed)
This paper proposes a novel approach for the synthesis of grasps of objects whose geometry can be observed only in the presence of noise. We focus in particular on the problem of generating caging grasps with a realistic robot hand simulation and show that our method can generate such grasps even on complex objects. We introduce the idea of using geodesic balls on the object's surface in order to approximate the maximal contact surface between a robotic hand and an object. We define two types of heuristics which extract information from approximate geodesic balls in order to identify areas on an object that can likely be used to generate a caging grasp. Our heuristics are based on two scoring functions. The first uses winding angles measuring how much a geodesic ball on the surface winds around a dominant axis, while the second explores using the total discrete Gaussian curvature of a geodesic ball to rank potential caging postures. We evaluate our approach with respect to variations in hand kinematics, for a selection of complex real-world objects and with respect to its robustness to noise.
Place, publisher, year, edition, pages
IEEE , 2013. 2999-3006 p.
, IEEE International Conference on Intelligent Robots and Systems. Proceedings, ISSN 2153-0858
Contact surface, Extract informations, Gaussian curvatures, Hand kinematics, Real-world objects, Realistic robots, Robustness to noise, Scoring functions
Computer Science Robotics
Research subject SRA - ICT
IdentifiersURN: urn:nbn:se:kth:diva-129496DOI: 10.1109/IROS.2013.6696781ISI: 000331367403011ScopusID: 2-s2.0-84893720249ISBN: 978-1-4673-6358-7OAI: oai:DiVA.org:kth-129496DiVA: diva2:655671
2013 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) November 3-7, 2013. Tokyo, Japan
FunderEU, FP7, Seventh Framework Programme, IST-FP7- 270436
QC 201401282013-10-132013-09-302014-04-14Bibliographically approved