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Battery Pack Part Detection and Disassembly Verification Using Computer Vision
Mälardalen University, School of Innovation, Design and Engineering.
2021 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Developing the greenest battery cell and establishing a European supply of batteries is the main goal for Northvolt. To achieve this, the recycling of batteries is a key enabler towards closing the loop and enabling the future of energy.When it comes to the recycling of electric vehicle battery packs, dismantling is one of of the main process steps.Given the size, weight and high voltage of the battery packs, automatic disassembly using robots is the preferred solution. The work presented in this thesis aims to develop and integrate a vision system able to identify and verify the battery pack dismantling process. To achieve this, two cameras were placed in the robot cell and the object detectors You Only Look Once (YOLO) and template matching were implemented, tested and compared. The results show that YOLO is the best object detector out of the ones implemented. The integration of the vision system with the robot controller was also tested and showed that with the results from the vision system, the robot controller can make informed decisions regarding the disassembly.

Place, publisher, year, edition, pages
2021. , p. 39
Keywords [en]
Computer vision, Disassembly, Battery disassembly, Battery pack, YOLO, Template matching
National Category
Robotics Computer Sciences
Identifiers
URN: urn:nbn:se:mdh:diva-54852OAI: oai:DiVA.org:mdh-54852DiVA, id: diva2:1567608
External cooperation
Northvolt
Subject / course
Computer Science
Presentation
2021-06-01, Online, Zoom, 14:40 (English)
Supervisors
Examiners
Available from: 2021-06-21 Created: 2021-06-16 Last updated: 2021-06-21Bibliographically approved

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Battery_Pack_Part_Detection_And_Disassembly_Verification_Using_Computer_Vision(22668 kB)781 downloads
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Type fulltextMimetype application/pdf

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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