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Energy efficient cornering: Simulation and verification
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, Fordonsdynamik.
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, Fordonsdynamik.
2018 (Engelska)Självständigt arbete på avancerad nivå (masterexamen), 20 poäng / 30 hpStudentuppsats (Examensarbete)
Abstract [en]

The purpose of this master thesis is to study the energy efficiency of a vehicle when it is cornering. To achieve this, a Simulink model was built from a simple basic bicycle model and theoretically validated. This model was then analysed and successively improved by adding velocity and yaw moment control. A study of the vehicle model behaviour by changing parameters such as cornering stiffness and centre of gravity position was the nconducted. The traction force needed for a constant radius was calculated and methods such as torque vectoring have been tested using the model to obtain the lowest traction force. The model was compared with different vehicle types and further validated by comparing the simulation results with experimental data acquired from a field test. The rolling resistance and aerodynamic resistance were taken into account when the model was validated with the experimental data and the result suggest that by distributing the required traction force (using torque vectoring between inner and outer driven wheels) the energy efficiency could be improved by 10%. This report ends with recommendations for future work.

Ort, förlag, år, upplaga, sidor
2018. , s. 55
Serie
TRITA-SCI-GRU ; 2018:026
Nyckelord [en]
Bicycle model, Energy consumption, Vehicle cornering behaviour, Yaw moment control
Nationell ämneskategori
Teknik och teknologier
Identifikatorer
URN: urn:nbn:se:kth:diva-234837OAI: oai:DiVA.org:kth-234837DiVA, id: diva2:1247272
Examinatorer
Tillgänglig från: 2018-09-20 Skapad: 2018-09-11 Senast uppdaterad: 2018-09-20Bibliografiskt granskad

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