Patent ID: 9207135
Filing Date: 2015-12-08
Classification: B60T,G01L

Abstract:
1. A method for carrying out a brake test on vehicles, which comprises the steps of: a) with a control unit, evaluating an information signal to determine if a vehicle, selected from the group consisting of a semitrailer and a trailer, has been newly hitched to a towing vehicle; b) with the control unit, automatically initializing an on-board brake test for a brake system of the semitrailer or trailer whenever a new hitching process is sensed or automatically initializing the on-board brake test for the brake system of the semitrailer or trailer in dependence in a type of the semitrailer or trailer determined to be newly hitched to the towing vehicle; c) with the control unit, initiating at least one defined braking process by the brake system after a defined distance has been traveled; d) sensing, with a sensor, a braking effect of the at least one defined braking process as a braking effect actual value, and comparing, in the control unit, the braking effect actual value with a braking effect setpoint value which is present; e) acquiring at least one slip and a wheel speed at at least one braked wheel by means of at least one slip sensor or rotational speed sensor during the defined braking process of step d), wherein the slip or the wheel speed or a parameter derived from the slip or the wheel speed represents the braking effect actual value which is compared with a corresponding comparison value which represents the braking effect setpoint value; and f) outputting, on a display, an information signal taking into account an evaluation result according to step d).