Robot Grasping Based on Stacked Object Classification Network and Grasping Order Planning

In this paper, the robot grasping for stacked objects is studied based on object detection and grasping order planning. Firstly, a novel stacked object classification network (SOCN) is proposed to realize stacked object recognition. The network takes into account the visible volume of the objects to...

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Main Authors: Chenlu Liu, Di Jiang, Weiyang Lin, Luis Gomes
Format: Article
Language:English
Published: MDPI AG 2022-02-01
Series:Electronics
Subjects:
Online Access:https://www.mdpi.com/2079-9292/11/5/706
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author Chenlu Liu
Di Jiang
Weiyang Lin
Luis Gomes
author_facet Chenlu Liu
Di Jiang
Weiyang Lin
Luis Gomes
author_sort Chenlu Liu
collection DOAJ
description In this paper, the robot grasping for stacked objects is studied based on object detection and grasping order planning. Firstly, a novel stacked object classification network (SOCN) is proposed to realize stacked object recognition. The network takes into account the visible volume of the objects to further adjust its inverse density parameters, which makes the training process faster and smoother. At the same time, SOCN adopts the transformer architecture and has a self-attention mechanism for feature learning. Subsequently, a grasping order planning method is investigated, which depends on the security score and extracts the geometric relations and dependencies between stacked objects, it calculates the security score based on object relation, classification, and size. The proposed method is evaluated by using a depth camera and a UR-10 robot to complete grasping tasks. The results show that our method has high accuracy for stacked object classification, and the grasping order effectively and successfully executes safely.
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spelling doaj.art-043773451f4543b2b8c06c8dd5cfcb882023-11-23T22:52:47ZengMDPI AGElectronics2079-92922022-02-0111570610.3390/electronics11050706Robot Grasping Based on Stacked Object Classification Network and Grasping Order PlanningChenlu Liu0Di Jiang1Weiyang Lin2Luis Gomes3Research Institute of Intelligent Control and Systems, Harbin Institute of Technology, Harbin 150001, ChinaResearch Institute of Intelligent Control and Systems, Harbin Institute of Technology, Harbin 150001, ChinaResearch Institute of Intelligent Control and Systems, Harbin Institute of Technology, Harbin 150001, ChinaCentre of Technology and Systems, NOVA School of Sciences and Technology, NOVA University Lisbon/UNINOVA, 2829-516 Monte de Caparica, PortugalIn this paper, the robot grasping for stacked objects is studied based on object detection and grasping order planning. Firstly, a novel stacked object classification network (SOCN) is proposed to realize stacked object recognition. The network takes into account the visible volume of the objects to further adjust its inverse density parameters, which makes the training process faster and smoother. At the same time, SOCN adopts the transformer architecture and has a self-attention mechanism for feature learning. Subsequently, a grasping order planning method is investigated, which depends on the security score and extracts the geometric relations and dependencies between stacked objects, it calculates the security score based on object relation, classification, and size. The proposed method is evaluated by using a depth camera and a UR-10 robot to complete grasping tasks. The results show that our method has high accuracy for stacked object classification, and the grasping order effectively and successfully executes safely.https://www.mdpi.com/2079-9292/11/5/706robot graspingstacked object classificationgrasping order planning
spellingShingle Chenlu Liu
Di Jiang
Weiyang Lin
Luis Gomes
Robot Grasping Based on Stacked Object Classification Network and Grasping Order Planning
Electronics
robot grasping
stacked object classification
grasping order planning
title Robot Grasping Based on Stacked Object Classification Network and Grasping Order Planning
title_full Robot Grasping Based on Stacked Object Classification Network and Grasping Order Planning
title_fullStr Robot Grasping Based on Stacked Object Classification Network and Grasping Order Planning
title_full_unstemmed Robot Grasping Based on Stacked Object Classification Network and Grasping Order Planning
title_short Robot Grasping Based on Stacked Object Classification Network and Grasping Order Planning
title_sort robot grasping based on stacked object classification network and grasping order planning
topic robot grasping
stacked object classification
grasping order planning
url https://www.mdpi.com/2079-9292/11/5/706
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AT weiyanglin robotgraspingbasedonstackedobjectclassificationnetworkandgraspingorderplanning
AT luisgomes robotgraspingbasedonstackedobjectclassificationnetworkandgraspingorderplanning