Definition and measurement of vehicle handling characteristics
by R. Radonjic
International Journal of Vehicle Design (IJVD), Vol. 11, No. 2, 1990

Abstract: This article presents a model for determining the transfer functions of a vehicle which are incorporated in the control closed-loop circuit driver-vehicle-road. The steering control task is divided into two levels: control in the forward loop as following tasks and control in the feedback loop as compensatory tasks. On the basis of the driver, actions during these control tasks on the traced road are defined (1) in the forward loop, inverted transfer function of the vehicle with respect to path curvature, which is related to the inverted transfer function in respect to the lateral acceleration and (2) in the compensation loop, the integral of the inverted transfer function of the vehicle with respect to the later displacement, or the directly inverted lateral acceleration transfer function of the vehicle with respect to the angular velocity of the steering wheel and in the integral of the inverted vehicle transfer function with respect to the yaw angle, or the directly inverted yaw rate transfer function of the vehicle with respect to the steering wheel angle. The experiments were conducted using a passenger car fitted with a measuring device.

Online publication date: Mon, 26-May-2014

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