Patent ID: 7350395

Claim:
An apparatus for generating a road surface reaction force in a test apparatus for a steer-by-wire system, comprising: a steering actuation unit comprising a tie rod; an actuator arranged in parallel to the tie rod of the steering actuation unit; a connector which connects the tie rod of the steering actuation unit to the actuator; a first sliding member, which linearly moves the connector in a forward or rearward direction in accordance with an operation of the actuator, coupled to the connector at a first side; a second sliding member, which linearly moves the connector in the forward or rearward direction in accordance with the operation of the actuator, coupled to the connector at a second side; a first guide rail that guides a movement of the first slider; and a second guide rail that guides a movement of the second slider; wherein the first and second guide rails are substantially parallel, such that the movements of the first and second sliders are substantially parallel.