Team NimbRo at MBZIRC 2017: Autonomous Valve Stem Turning using a Wrench
The Mohamed Bin Zayed International Robotics Challenge (MBZIRC) 2017 has defined ambitious new benchmarks to advance the state-of-the-art in autonomous operation of ground-based and flying robots. In this article, we describe our winning entry to MBZIRC Challenge 2: the mobile manipulation robot Mar...
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| creator | Schwarz, Max Droeschel, David Lenz, Christian Arul Selvam Periyasamy En Yen Puang Razlaw, Jan Rodriguez, Diego Schüller, Sebastian Schreiber, Michael Behnke, Sven |
| description | The Mohamed Bin Zayed International Robotics Challenge (MBZIRC) 2017 has defined ambitious new benchmarks to advance the state-of-the-art in autonomous operation of ground-based and flying robots. In this article, we describe our winning entry to MBZIRC Challenge 2: the mobile manipulation robot Mario. It is capable of autonomously solving a valve manipulation task using a wrench tool detected, grasped, and finally employed to turn a valve stem. Mario's omnidirectional base allows both fast locomotion and precise close approach to the manipulation panel. We describe an efficient detector for medium-sized objects in 3D laser scans and apply it to detect the manipulation panel. An object detection architecture based on deep neural networks is used to find and select the correct tool from grayscale images. Parametrized motion primitives are adapted online to percepts of the tool and valve stem in order to turn the stem. We report in detail on our winning performance at the challenge and discuss lessons learned. |
| format | Article |
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| subjects | Locomotion Neural networks Object recognition Repair & maintenance Robotics Robots Wrenches |
| title | Team NimbRo at MBZIRC 2017: Autonomous Valve Stem Turning using a Wrench |
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