Object Recognition Through Active Sensing Using a Multi-Fingered Robot Hand with 3D Tactile Sensors

Author(s):  
Satoshi Funabashi ◽  
Shu Morikuni ◽  
Andreas Geier ◽  
Alexander Schmitz ◽  
Shun Ogasa ◽  
...  
Author(s):  
Shun OGASA ◽  
Shu MORIKUNI ◽  
Satoshi FUNABASHI ◽  
Alexander SCHMITZ ◽  
Tito Pradhono TOMO ◽  
...  

2020 ◽  
Vol 5 (49) ◽  
pp. eabc8134
Author(s):  
Guozhen Li ◽  
Shiqiang Liu ◽  
Liangqi Wang ◽  
Rong Zhu

Robot hands with tactile perception can improve the safety of object manipulation and also improve the accuracy of object identification. Here, we report the integration of quadruple tactile sensors onto a robot hand to enable precise object recognition through grasping. Our quadruple tactile sensor consists of a skin-inspired multilayer microstructure. It works as thermoreceptor with the ability to perceive thermal conductivity of a material, measure contact pressure, as well as sense object temperature and environment temperature simultaneously and independently. By combining tactile sensing information and machine learning, our smart hand has the capability to precisely recognize different shapes, sizes, and materials in a diverse set of objects. We further apply our smart hand to the task of garbage sorting and demonstrate a classification accuracy of 94% in recognizing seven types of garbage.


Author(s):  
Satoshi Funabashi ◽  
Tomoki Isobe ◽  
Shun Ogasa ◽  
Tetsuya Ogata ◽  
Alexander Schmitz ◽  
...  
Keyword(s):  
Low Cost ◽  

Author(s):  
S. Unsal ◽  
A. Shirkhodaie ◽  
A. H. Soni

Abstract Adding sensing capability to a robot provides the robot with intelligent perception capability and flexibility of decision making. To perform intelligent tasks, robots are highly required to perceive their operating environment, and react accordingly. With this regard, tactile sensors offer to extend the scope of intelligence of a robot for performing tasks which require object touching, recognition, and manipulation. This paper presents the design of an inexpensive pneumatic binary-array tactile sensor for such robotic applications. The paper describes some of the techniques implemented for object recognition from binary sensory information. Furthermore, it details the development of software and hardware which facilitate the sensor to provide useful information to a robot so that the robot perceives its operating environment during manipulation of objects.


Sensors ◽  
2014 ◽  
Vol 14 (2) ◽  
pp. 3227-3266 ◽  
Author(s):  
Achint Aggarwal ◽  
Frank Kirchner

2013 ◽  
Vol 465-466 ◽  
pp. 1375-1379
Author(s):  
Hanafiah Yussof ◽  
Zahari Nur Ismarrubie ◽  
Ahmad Khushairy Makhtar ◽  
Masahiro Ohka ◽  
Siti Nora Basir

This paper presents experimental results of object handling motions to evaluate tactile slippage sensation in a multi fingered robot arm with optical three-axis tactile sensors installed on its two hands. The optical three-axis tactile sensor is a type of tactile sensor capable of defining normal and shear forces simultaneously. Shear force distribution is used to define slippage sensation in the robot hand system. Based on tactile slippage analysis, a new control algorithm was proposed. To improve performance during object handling motions, analysis of slippage direction is conducted. The control algorithm is classified into two phases: grasp-move-release and grasp-twist motions. Detailed explanations of the control algorithm based on the existing robot arm control system are presented. The experiment is conducted using a bottle cap, and the results reveal good performance of the proposed control algorithm to accomplish the proposed object handling motions.


2006 ◽  
Vol 2006 (0) ◽  
pp. _2P2-B39_1-_2P2-B39_3
Author(s):  
Hiroyuki NAKAMOTO ◽  
Satoru TAKENAWA ◽  
Kenjiro KANDA ◽  
Keisuke SHINNO ◽  
Futoshi KOBAYASHI ◽  
...  

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