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Measuring Sprint Speed with Ultra-wideband Technology
KTH, School of Electrical Engineering and Computer Science (EECS).
2023 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Mätning av sprinthastighet med ultrabredbandsteknik (Swedish)
Abstract [en]

Sprinting can be an important ability in sports, and there are many methods for measuring sprint performance. Two common methods are hand-held timing and fully automatic timing systems. However, hand-held timing is inaccurate due to reaction time, and fully automatic timing can be impractical since it involves complex equipment. Another way of measuring sprint performance is to obtain an athlete's velocity curve with a laser speed gun, although this requires that the laser is aimed towards the sprinter at all times.

In this project, ultra-—widebandwhich is a radio technology capable of accurate —rangingis evaluated in a practical experiment by observing an athlete sprinting over a short distance. First, a pair of communicating ranging devices are developed. Measurements are then collected from the athlete and compared to video analysis to estimate the ranging error. The results suggest that ultra-wideband may be an alternative to laser speed guns for measuring sprint velocity. In the future, research should be focused on calibrating devices and testing ultra-wideband technology for longer sprint distances.

Abstract [sv]

Att kunna springa snabbt kan vara en viktig egenskap inom sport och det finns många metoder för att mäta en sprint. Några exempel är manuell tidtagning, automatiska tidtagningssystem eller laserpistol för att mäta hastighet. Ofta är manuell tidtagning inte tillräckligt noggrann på grund av reaktionstid och automatisk tidtagning kan vara opraktisk för de flesta utövare. Dessutom måste en laserpistol alltid vara riktad mot atleten för ge mätningar.

I det här projektet testas ultrabredbandsteknik – vilket är en typ av radioteknik som kan ge noggrann distansmätning – i ett praktiskt experiment genom att observera en atlet i en kort sprint. Först utvecklas ett par apparater som kan avläsa distansen mellan varandra. Därefter samlas mätningar från atleten som jämförs med videoanalys för att bestämma mätningsfelet. Det erhållna resultatet föreslår att ultrabredbandsteknik kan vara ett alternativ till laserpistoler för hastighetsmätning inom sprint. Framöver borde fokus inom forskningen ligga på att kalibrera apparater och testa tekniken över längre sprintdistanser.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology , 2023. , p. 34
Series
TRITA-EECS-EX ; 2023:523
Keywords [en]
Speed, Sprint, Ranging, Ultra-wideband
Keywords [sv]
Hastighet, Sprint, Distansmätning, Ultrabredband
National Category
Telecommunications Embedded Systems Computer and Information Sciences
Identifiers
URN: urn:nbn:se:kth:diva-332410OAI: oai:DiVA.org:kth-332410DiVA, id: diva2:1783638
Educational program
Bachelor of Science - Information and Communication Technology
Presentation
2023-06-26, via Zoom https://kth-se.zoom.us/j/5680136250, 10:00 (English)
Supervisors
Examiners
Available from: 2023-08-07 Created: 2023-07-23 Last updated: 2023-08-07Bibliographically approved

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CiteExportLink to record
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