Robotic Manipulation Planning for Automatic Peeling of Glass Substrate Based on Online Learning Model Predictive Path Integral

Autonomous planning robotic contact-rich manipulation has long been a challenging problem. Automatic peeling of glass substrates of LCD flat panel displays is a typical contact-rich manipulation task, which requires extremely high safe handling through the manipulation process. To this end of peelin...

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Main Authors: Liwei Hou, Hengsheng Wang, Haoran Zou, Yalin Zhou
Format: Article
Language:English
Published: MDPI AG 2022-02-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/22/3/1292
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author Liwei Hou
Hengsheng Wang
Haoran Zou
Yalin Zhou
author_facet Liwei Hou
Hengsheng Wang
Haoran Zou
Yalin Zhou
author_sort Liwei Hou
collection DOAJ
description Autonomous planning robotic contact-rich manipulation has long been a challenging problem. Automatic peeling of glass substrates of LCD flat panel displays is a typical contact-rich manipulation task, which requires extremely high safe handling through the manipulation process. To this end of peeling glass substrates automatically, the system model is established from data and is used for the online planning of the robot motion in this paper. A simulation environment is designed to pretrain the process model with deep learning-based neural network structure to avoid expensive and time-consuming collection of real-time data. Then, an online learning algorithm is introduced to tune the pretrained model according to the real-time data from the peeling process experiments to cover the uncertainties of the real process. Finally, an Online Learning Model Predictive Path Integral (OL-MPPI) algorithm is proposed for the optimal trajectory planning of the robot. The performance of our algorithm was validated through glass substrate peeling tasks of experiments.
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spelling doaj.art-ad660b38df894d26ac0534b7eea078772023-11-23T17:53:35ZengMDPI AGSensors1424-82202022-02-01223129210.3390/s22031292Robotic Manipulation Planning for Automatic Peeling of Glass Substrate Based on Online Learning Model Predictive Path IntegralLiwei Hou0Hengsheng Wang1Haoran Zou2Yalin Zhou3College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, ChinaCollege of Mechanical and Electrical Engineering, Central South University, Changsha 410083, ChinaCollege of Mechanical and Electrical Engineering, Central South University, Changsha 410083, ChinaCollege of Mechanical and Electrical Engineering, Central South University, Changsha 410083, ChinaAutonomous planning robotic contact-rich manipulation has long been a challenging problem. Automatic peeling of glass substrates of LCD flat panel displays is a typical contact-rich manipulation task, which requires extremely high safe handling through the manipulation process. To this end of peeling glass substrates automatically, the system model is established from data and is used for the online planning of the robot motion in this paper. A simulation environment is designed to pretrain the process model with deep learning-based neural network structure to avoid expensive and time-consuming collection of real-time data. Then, an online learning algorithm is introduced to tune the pretrained model according to the real-time data from the peeling process experiments to cover the uncertainties of the real process. Finally, an Online Learning Model Predictive Path Integral (OL-MPPI) algorithm is proposed for the optimal trajectory planning of the robot. The performance of our algorithm was validated through glass substrate peeling tasks of experiments.https://www.mdpi.com/1424-8220/22/3/1292glass substrate peelingmanipulation planningsystem modeldeep learningonline learningModel Predictive Path Integral
spellingShingle Liwei Hou
Hengsheng Wang
Haoran Zou
Yalin Zhou
Robotic Manipulation Planning for Automatic Peeling of Glass Substrate Based on Online Learning Model Predictive Path Integral
Sensors
glass substrate peeling
manipulation planning
system model
deep learning
online learning
Model Predictive Path Integral
title Robotic Manipulation Planning for Automatic Peeling of Glass Substrate Based on Online Learning Model Predictive Path Integral
title_full Robotic Manipulation Planning for Automatic Peeling of Glass Substrate Based on Online Learning Model Predictive Path Integral
title_fullStr Robotic Manipulation Planning for Automatic Peeling of Glass Substrate Based on Online Learning Model Predictive Path Integral
title_full_unstemmed Robotic Manipulation Planning for Automatic Peeling of Glass Substrate Based on Online Learning Model Predictive Path Integral
title_short Robotic Manipulation Planning for Automatic Peeling of Glass Substrate Based on Online Learning Model Predictive Path Integral
title_sort robotic manipulation planning for automatic peeling of glass substrate based on online learning model predictive path integral
topic glass substrate peeling
manipulation planning
system model
deep learning
online learning
Model Predictive Path Integral
url https://www.mdpi.com/1424-8220/22/3/1292
work_keys_str_mv AT liweihou roboticmanipulationplanningforautomaticpeelingofglasssubstratebasedononlinelearningmodelpredictivepathintegral
AT hengshengwang roboticmanipulationplanningforautomaticpeelingofglasssubstratebasedononlinelearningmodelpredictivepathintegral
AT haoranzou roboticmanipulationplanningforautomaticpeelingofglasssubstratebasedononlinelearningmodelpredictivepathintegral
AT yalinzhou roboticmanipulationplanningforautomaticpeelingofglasssubstratebasedononlinelearningmodelpredictivepathintegral