A Master-Slave Separate Parallel Intelligent Mobile Robot Used for Autonomous Pallet Transportation

This work reports a master-slave separate parallel intelligent mobile robot for the fully autonomous transportation of pallets in the smart factory logistics. This separate parallel intelligent mobile robot consists of two independent sub robots, one master robot and one slave robot. It is similar t...

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Main Authors: Guo Li, Rui Lin, Maohai Li, Rongchuan Sun, Songhao Piao
Format: Article
Language:English
Published: MDPI AG 2019-01-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/9/3/368
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author Guo Li
Rui Lin
Maohai Li
Rongchuan Sun
Songhao Piao
author_facet Guo Li
Rui Lin
Maohai Li
Rongchuan Sun
Songhao Piao
author_sort Guo Li
collection DOAJ
description This work reports a master-slave separate parallel intelligent mobile robot for the fully autonomous transportation of pallets in the smart factory logistics. This separate parallel intelligent mobile robot consists of two independent sub robots, one master robot and one slave robot. It is similar to two forks of the forklift, but the slave robot does not have any physical or mechanical connection with the master robot. A compact driving unit was designed and used to ensure access to the narrow free entry under the pallets. It was also possible for the mobile robot to perform a synchronous pallet lifting action. In order to ensure the consistency and synchronization of the motions of the two sub robots, high-gain observer was used to synchronize the moving speed, the lifting speed and the relative position. Compared with the traditional forklift AGV (Automated Guided Vehicle), the mobile robot has the advantages of more compact structure, higher expandability and safety. It can move flexibly and take zero-radius turn. Therefore, the intelligent mobile robot is quite suitable for the standardized logistics factory with small working space.
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spelling doaj.art-2088c849ca1b4b6f8d1a6a4d957d41ba2022-12-22T01:08:21ZengMDPI AGApplied Sciences2076-34172019-01-019336810.3390/app9030368app9030368A Master-Slave Separate Parallel Intelligent Mobile Robot Used for Autonomous Pallet TransportationGuo Li0Rui Lin1Maohai Li2Rongchuan Sun3Songhao Piao4Department of Computer Science and Technology, Harbin Institute of Technology, Harbin, ChinaSchool of Mechanical and Electrical Engineering, Soochow University, Suzhou, ChinaSchool of Mechanical and Electrical Engineering, Soochow University, Suzhou, ChinaSchool of Mechanical and Electrical Engineering, Soochow University, Suzhou, ChinaDepartment of Computer Science and Technology, Harbin Institute of Technology, Harbin, ChinaThis work reports a master-slave separate parallel intelligent mobile robot for the fully autonomous transportation of pallets in the smart factory logistics. This separate parallel intelligent mobile robot consists of two independent sub robots, one master robot and one slave robot. It is similar to two forks of the forklift, but the slave robot does not have any physical or mechanical connection with the master robot. A compact driving unit was designed and used to ensure access to the narrow free entry under the pallets. It was also possible for the mobile robot to perform a synchronous pallet lifting action. In order to ensure the consistency and synchronization of the motions of the two sub robots, high-gain observer was used to synchronize the moving speed, the lifting speed and the relative position. Compared with the traditional forklift AGV (Automated Guided Vehicle), the mobile robot has the advantages of more compact structure, higher expandability and safety. It can move flexibly and take zero-radius turn. Therefore, the intelligent mobile robot is quite suitable for the standardized logistics factory with small working space.https://www.mdpi.com/2076-3417/9/3/368intelligent mobile robotpallet transportationmaster-slavecompact driving unithigh-gain observer
spellingShingle Guo Li
Rui Lin
Maohai Li
Rongchuan Sun
Songhao Piao
A Master-Slave Separate Parallel Intelligent Mobile Robot Used for Autonomous Pallet Transportation
Applied Sciences
intelligent mobile robot
pallet transportation
master-slave
compact driving unit
high-gain observer
title A Master-Slave Separate Parallel Intelligent Mobile Robot Used for Autonomous Pallet Transportation
title_full A Master-Slave Separate Parallel Intelligent Mobile Robot Used for Autonomous Pallet Transportation
title_fullStr A Master-Slave Separate Parallel Intelligent Mobile Robot Used for Autonomous Pallet Transportation
title_full_unstemmed A Master-Slave Separate Parallel Intelligent Mobile Robot Used for Autonomous Pallet Transportation
title_short A Master-Slave Separate Parallel Intelligent Mobile Robot Used for Autonomous Pallet Transportation
title_sort master slave separate parallel intelligent mobile robot used for autonomous pallet transportation
topic intelligent mobile robot
pallet transportation
master-slave
compact driving unit
high-gain observer
url https://www.mdpi.com/2076-3417/9/3/368
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