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Design and control of model based steering feel reference in an electric power assisted steering system

Tushar Chugh (Institutionen för mekanik och maritima vetenskaper, Fordonsteknik och autonoma system) ; Weitao Chen (Institutionen för mekanik och maritima vetenskaper, Fordonsteknik och autonoma system) ; Matthijs Klomp (Institutionen för mekanik och maritima vetenskaper, Fordonsteknik och autonoma system) ; Shenhai Ran ; Mathias Lidberg (Institutionen för mekanik och maritima vetenskaper ; Institutionen för mekanik och maritima vetenskaper, Fordonsteknik och autonoma system)
Proceedings of the 25th International Symposium on Dynamics of Vehicles on Roads and Tracks (IAVSD 2017) in Rockhampton, Australia (2017)
[Konferensbidrag, övrigt]

Electric power assisted steering (EPAS) system is a current state of the art technol-ogy for providing the steering torque support. The interaction of the steering system with the driver is principally governed by the EPAS control method. This paper proposes a control concept for designing the steering feel with a model based approach. The reference steering feel is defined in virtual dynamics for tracking. The layout of the reference model and the control architecture is discussed at first and then the decoupling of EPAS motor dynamics using a feedback control is shown. An example of how a change in steering feel reference (as desired by the driver) creates a change in steering feedback is further exhibited. The ultimate goal is to provide the driver with a tunable steering feel. For this, the verification is performed in simulation environment.



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Denna post skapades 2017-09-18. Senast ändrad 2017-10-03.
CPL Pubid: 251953