SBW(Steer-by-wire) is a steering system that transmits the driver’s request and
gives feedback to the driver through electrical signals. This system eliminates
the mechanical connection of the traditional steering system, and can realize
the decoupling of the steering wheel and the road wheel. In addition, this
system has a perfect torque feedback system, which can accurately and delicately
feedback the road surface information to the driver.
However, vehicle driving deviation is one of the most common failure modes
affecting vehicle performance in the automotive aftermarket, this failure mode
can exacerbates tire wear, reducing their life cycle, at the same time, the
driver must apply a counter torque to the steering wheel for a long time to
maintain straight-line travel during driving. This increases the driver’s
operational burden and poses safety hazards to the vehicle’s operation. Based on
the steer-by-wire system and vehicle driving deviation characteristics, this
paper proposes Pull Drift Compensation (PDC) function. This function is based on
the identification of vehicle driving deviation conditions. Based on Hardware In
Loop Test (HIL) platform for tuning and simulation verification.