kth.sePublications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Optimizing a Steering System for a KTH Formula Student Race car
KTH, School of Electrical Engineering and Computer Science (EECS).
KTH, School of Electrical Engineering and Computer Science (EECS).
2023 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The primary objective of this study is to develop and evaluate a steering controller for aFormula Student driverless electric vehicle to enhance its performance and efficiency. By creatinga testing setup and testing scripts, the controller's sensitivity to various CAN bus parameters, suchas periodicity and message priority, could be assessed. For the tests, a PI-controller wasimplemented. The results demonstrated that the controller met all requirements except beingable to achieve more than 180 degrees of cumulative change in steering angle in one second. Theimportance of maintaining a sufficiently short message periodicity was also highlighted.Furthermore, an unexpected behaviour was encountered when testing the importance of CANmessage priority. Nonetheless, additional adjustments to the PI-controller's gain values arerequired to guarantee compliance with all specified criteria. Future research should focus onevaluating the controller in an actual vehicle, exploring advanced controllers such as MPC, andadopting data-driven approaches. This study lays the groundwork for the further development ofa robust and efficient controller for the driverless electric race car being developed by KTHFormula Student.

Abstract [sv]

Den huvudsakliga målsättningen med denna studie är att utveckla ochutvärdera ett reglersystem för ratten på en självkörande racerbil hos Formula Student. Syftet medarbetet är att förbättra dess prestanda och effektivitet. Genom att skapa en testmiljö kunderegulatorns känslighet för olika CAN-busparametrar, såsom periodicitet och meddelandeprioritet,bedömas. För testerna implementerades en PI-regulator. Resultaten visade att regulatornuppnådde alla mål förutom att kunna uppnå mer än 180 graders kumulativ förändring avstyrvinkeln på en sekund. Vikten av att bibehålla en tillräckligt kort meddelandeperiodicitetframhävdes. Vidare observerades ett oväntat beteende vid testning av CAN-meddelandesprioritet. Ändå krävs ytterligare justeringar av PI-regulatorns förstärkningsvärden för att garanteraöverensstämmelse med alla specificerade kriterier. Framtida forskning bör fokusera på attutvärdera regulatorn i riktiga bilen, undersöka avancerade regulatorer som MPC och användadatadrivna metoder. Denna studie lägger grunden för vidare utveckling av en robust och effektivregulator för den förarlösa eldrivna tävlingsbilen som utvecklas av KTH Formula Student.

Place, publisher, year, edition, pages
2023. , p. 183-
Series
TRITA-EECS-EX ; 2023:150
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-341493OAI: oai:DiVA.org:kth-341493DiVA, id: diva2:1821918
Supervisors
Examiners
Projects
Kandidatexjobb i elektroteknik 2023, KTH, StockholmAvailable from: 2023-12-21 Created: 2023-12-21

Open Access in DiVA

fulltext(211487 kB)410 downloads
File information
File name FULLTEXT01.pdfFile size 211487 kBChecksum SHA-512
69786101c351a58f7bd524c3aeee40c661028b577366c4a725033372b88c624c87c2183b6acca2d3d43bbd2bb2f3942326c69263e70c99cf1db027ce9c4e9ae2
Type fulltextMimetype application/pdf

By organisation
School of Electrical Engineering and Computer Science (EECS)
Electrical Engineering, Electronic Engineering, Information Engineering

Search outside of DiVA

GoogleGoogle Scholar
Total: 410 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

urn-nbn

Altmetric score

urn-nbn
Total: 314 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf