Design and Development of a Steer-By-Wire Hand-Wheel Actuator
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This bachelor's thesis, conducted at Chalmers University of Technology in collaboration with Volvo Cars, explores the development of a Steer-By-Wire steering column, a system designed to replace traditional mechanical steering connections with an electrically actuated alternative. The study investigates the challenges of integrating a torque feedback device into the steering column while juggling several requirements and wishes, ensuring compatibility with existing vehicle cabin constraints. Through an extensive patent and market investigation, multiple design solutions were generated and systematically evaluated using elimination by several matrixes. The final concepts were developed in CAD and underwent testing to ensure compliance with the requirement specification. This thesis contributes insights into the optimization of steer-by-wire systems, offering potential improvements in driver comfort, maneuverability, and space efficiency. The study shows that the implementation of a steer-by-wire hand-wheel actuator is possible in the current Volvo 40-series with only minor modifications. However, additional design changes may be required for integration into other vehicles.