Design and control of model based steering feel reference in an electric power assisted steering system
Paper i proceeding, 2017

Electric Power Assisted Steering (EPAS) system is a current state of the art technology 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.


Tushar Chugh

Chalmers, Tillämpad mekanik, Fordonsteknik och autonoma system

Weitao Chen

Chalmers, Tillämpad mekanik, Fordonsteknik och autonoma system

Matthijs Klomp

Volvo Cars

Shenhai Ran

Volvo Cars

Mathias R Lidberg

Chalmers, Tillämpad mekanik, Fordonsteknik och autonoma system

The Dynamics of Vehicles on Roads and Tracks

Vol. 1 43-49

25th Symposium of the International Association of Vehicle System Dynamics, IAVSD 2017
Rockhampton, Australia,

Development of Virtual Steering Control and Steering Feel Model Reference

Volvo Cars, 2016-07-01 -- 2022-06-30.

Europeiska kommissionen (EU) (675999), 2016-07-01 -- 2022-06-30.




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