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Electric Longboard: A dual-purpose personal vehicle
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Mechatronics.
2018 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Elektrisk Longboard (Swedish)
Abstract [en]

The aim of this thesis is to explore the possibility of a dual-purpose electric vehicle. The vehicle should be able to be used for both commuting and racing. It also aims to describe different power limiting methods and their effect on performance. Lastly it hopes to see if the Swedish laws, as written today are reasonable. An electric longboard has been constructed for this purpose and several tests have been performed.

A list of goals were set up for the board prototype. These included power output, running time, and that the board should have an audible warning device.

The findings demonstrated that all tested power limiting methods worked and that the “Simple power limiting” method provided quickest movement over a fixed distance. Most of the goals were met by the prototype and the board’s two modes worked as planned. While the law is reasonable it can be improved to cover the diversity of electric vehicles. Further work may include better measurements and implementation of a dual microcontroller system.

Abstract [sv]

Syftet med detta arbete är att testa möjligheten med ett två-läges personligt fordon. Fordonenet ska kunna användas för både pendling och tävling. Arbetet har även testat olika energilimeteringsmetoder samt undersökt hur dessa metoder påverkar prestandan. Arbetet har även försökt besvara frågan om det svenska lagarna, som det är skrivna idag, är lämpliga. En elektrisk longboard har konstruerats och flera test utförts.

Ett antal målsättningar har definerats för prototypen. Dessa inkluderar: effekt, körtid och att brädan bör ha en ringklocka.

Resultaten visar att alla metoder fungerade och att “Simple power limiting” var den som gav snabbast rörelse över den bestämda sträckan. Det flesta av målen nåddes av prototypen och brädans två lägen fungerade som tänkt. Dagens lagar är rimliga men kan förbättras för att täcka mångfalden av elektriska fordon. Framtida arbete kan inkludera bättre mätningar och implementation av ett system med två mikrokontroller.

Place, publisher, year, edition, pages
2018. , p. 101
Series
TRITA-ITM-EX 2018 ; 72
Keywords [en]
mechatronics, personal transportation, electric vehicle, last mile transport, adaptive power management
Keywords [sv]
Mekatronik, personlig transport, elfordon, ”sista sträckan” transportmedel, adaptiv energidrift
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-233145OAI: oai:DiVA.org:kth-233145DiVA, id: diva2:1237821
Supervisors
Examiners
Available from: 2018-08-10 Created: 2018-08-10 Last updated: 2018-08-10Bibliographically approved

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