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Powertrain Optimization for Electric Vehicles

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Author

Summary, in English

This thesis presents a comprehensive powertrain optimization methodology that effectively captures the key design trade-offs impacting vehicle performance, both within individual components and across them. The method relies on detailed performance and cost models for all the powertrain components considered, including the electrical machine, power electronics converter, and mechanical transmission. By optimizing the entire system rather than individual components, this approach is able to identify optimal powertrain solutions within a specific set of constraints. The proposed methodology has been applied to compare various machine topologies for a specific application, evaluate the advantages of platform-level versus vehicle-level powertrain optimization, and optimize 4-Wheel Drive powertrains with multiple traction machines.

Publishing year

2024

Language

English

Document type

Dissertation

Publisher

Lund University

Topic

  • Vehicle and Aerospace Engineering

Keywords

  • Electric powertrain
  • Optimization
  • Electrical machine

Status

Published

ISBN/ISSN/Other

  • ISBN: 978-91-985110-1-7
  • ISBN: 978-91-985110-0-0

Defence date

18 October 2024

Defence time

09:00

Defence place

Lecture Hall M:A, building M, Ole Römers väg 1F, Faculty of Engineering LTH, Lund University, Lund.

Opponent

  • Chris Gerada (Prof.)