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Multimodal Bin Picking System with Compliant Tactile Sensor Arrays for Flexible Part Handling*

 
: Müller, Veit; Elkmann, Norbert

:

Institute of Electrical and Electronics Engineers -IEEE-:
IEEE International Conference on Robotics and Automation, ICRA 2019 : May 20-24, 2019, Montreal, Canada
Piscataway, NJ: IEEE, 2019
ISBN: 978-1-5386-6026-3
ISBN: 978-1-5386-6027-0
ISBN: 978-1-5386-8176-3
S.2824-2830
International Conference on Robotics and Automation (ICRA) <2019, Montreal>
Englisch
Konferenzbeitrag
Fraunhofer IFF ()

Abstract
This paper presents a robot control architecture comprised of tactile and vision sensors incorporated into an off-the-shelf bin picking system. The proposed architecture facilitates flexible and reliable handling of objects and materials by employing a tactile grasp validation system and in-hand object monitoring. Two industrial grippers, specifically a magnetic gripper and a flexible vacuum gripper, are equipped with a compliant custom tactile sensor array. The algorithms used are for each specific gripper and respective sensor, however are transferrable to other grippers as well. The tactile sensing augments vision-based picking approaches, thus supporting in-hand object recognition [1] that is particularly useful for hard-to-recognize objects such as objects with transparent or shiny surfaces. Algorithms for tactile-based object pose estimation in the gripper and for grasp monitoring, including grasp validation, complete the approach.

: http://publica.fraunhofer.de/dokumente/N-592922.html