Patent ID: 11897560
Assignee: HL MANDO CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 8:
9. A road impact simulating method of a steer-by-wire system, the method comprising:
determining a wheel speed difference value between wheels, and determining a lateral acceleration difference value between an estimated lateral acceleration of a vehicle and a sensed lateral acceleration of the vehicle;
determining whether there is a road impact based on the wheel speed difference value;
determining a reaction force torque according to the road impact based on the lateral acceleration difference value if it is determined that there is the road impact; and
if a first wheel speed difference value between the left and right front wheels is greater than or equal to a first reference value, a second wheel speed difference value between the left and right rear wheels is less than or equal to a second reference value, and a third wheel speed difference value between the left front and rear wheels or a fourth wheel speed difference value between the right front and rear wheels is greater than or equal to a third reference value, determining that there is the road impact.