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Implementering och utvärdering av säkerhetslaserscanner för självkörande fordonsflyttare
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
2024 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
Implementation and evaluation of safety laser scanner for self-driving vehicle mover (English)
Abstract [en]

Self-driving vehicles are getting more common within a variety of fields thanks to its independence and relief for humans daily. Industrial trucks are a form of vehicle that today is offered with self-driving technology from most manufacturers. Stringo a company that produces a truck type called vehicle mover have recognized the potential of self-driving trucks and further down the line offer it to their customers. One of the most important parts of such a system in a safety aspect is the ability to detect objects and prevent collisions. Safety laser scanner is a common sensor used to solve the problem of avoiding collisions in automated guided vehicle applications. A sensor of this type SICK S300 is tested by implementing it on the vehicle mover and calculating the stopping distance. Based on the test results the smallest necessary safety zone is calculated. The dimension of the zone is heavily based on maximum allowed speed and width of the truck. Resulting zones gave a bigger margin of error during practical testing than calculated but successfully avoided all collisions. Further development is mandatory before the solution may be used as intended.

Abstract [sv]

Självkörande fordon blir allt vanligare inom flera olika områden tack vare deras självständighet och underlättar för människor dagligen. Truckar är en typ av fordon som idag finns i självkörande varianter från de flesta tillverkare. Stringo som producerar en variant av truck som kallas fordonsflyttare har även insett potentialen i självkörande truckar och vill i framtiden kunna erbjuda detta till sina kunder. En av de viktigaste punkterna ur ett säkerhetsperspektiv är att kunna detektera objekt och därmed motverka kollisioner. Säkerhetslaserscanner är en vanlig sensor för att självkörande fordon ska kunna undvika kollision med omgivningen. En sensor av denna typ SICK S300 testas genom att implementera den på fordonsflyttaren och beräkna stoppsträckan. Utifrån resultatet av stoppsträckan räknas den minsta nödvändiga säkerhetszonen ut. Utformningen av zoner är tydligt beroende av maximalt tillåtna hastigheten och fordonets bredd. De resulterande zonerna gav större marginal vid praktiska tester än teoretisk räknat men lyckades undvika kollision vid samtliga tester. Vidareutveckling är nödvändig innan lösningen kan användas i sitt tänkta syfte.  

Place, publisher, year, edition, pages
2024. , p. 24
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:umu:diva-227214OAI: oai:DiVA.org:umu-227214DiVA, id: diva2:1877623
External cooperation
Stringo AB
Subject / course
Elektronik
Educational program
Bachelor of Science Programme in Electronic and Computer Engeneering/ Medical engineering
Presentation
2024-05-30, TEK.A.334, Teknikhuset, Umeå universitet, Umeå, 14:00 (Swedish)
Supervisors
Examiners
Available from: 2024-06-26 Created: 2024-06-26 Last updated: 2024-06-26Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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