Abstract: Method for correcting a height value, measured using a height sensor, of a spring-damper unit of a motor vehicle, wherein the measured height value is corrected by a correction value that is dependent on an acceleration value if the motor vehicle is accelerated in a longitudinal and/or lateral direction, the correction value being adjusted while the motor vehicle is moving.

Abstract: A method of calculation a vehicle load comprising calculating a first vehicle load value based at least on air pressures in air springs and height data of suspension of a vehicle axle, determining a second vehicle load value based on a change of track width of the vehicle axle, and calculating the vehicle load based on the first vehicle load value and the second vehicle load value.

Abstract: A method of calculation a vehicle load comprising a first vehicle load value based at least on air pressures in air springs and height data of suspension of a vehicle axle, determining a second vehicle load value based on a change of track width of the vehicle axle, and calculating the vehicle load based on the first vehicle load value and the second vehicle load value.

Abstract: A foil including optically refractive pyramidal elements, which each have a triangular base. The bases of adjacent elements are turned 180 degrees relative to each other. The foil has optically refractive characteristics upon incidence of electromagnetic waves thereon, which characteristics render the foil suitable for imparting a desired pattern, possibly in a desired direction, to the exiting waves. The pattern may be a uniform pattern, for example, so as to impart a uniform or diffuse light to electromagnetic waves, for example visible light, from a concentrated light source.