Method for determining and compensation of setting phenomenon while controlling body height of suspension system for vehicle, involves cyclically measuring spring paths of air spring and auxiliary spring, whose path is measured by sensor

摘要

#CMT# #/CMT# The determination and compensation method involves cyclically measuring the spring path (f-l) of an air spring, and the spring path of an auxiliary spring is cyclically measured by an auxiliary spring arranged distance sensor. The actual deflection is calculated in a computing device according to a stored algorithm (15) by the addition of the measured spring path of the air spring and the auxiliary spring. The actual deflection is provided as an input variable in a control device or control unit of the air spring for the regulation of the body height. #CMT#USE : #/CMT# Method for determining and compensation of the setting phenomenon while controlling the body height of a suspension system for a vehicle, particularly railway vehicle. #CMT#ADVANTAGE : #/CMT# The actual deflection is provided as an input variable in a control device or control unit of the air spring for the regulation of the body height, and thus ensures simple and cost effective determination and compensation method that reduces the noise level of the vehicle wheels through the auxiliary spring made of rubber, where the expression force is improved through the computed deflection value to increase the accuracy of the height control in the vehicle. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a schematic block diagram of a signal processing. 4 : Ultrasonic level sensor 6,7 : Sensors 9,10 : Air spring characteristic curves 15 : Stored algorithm 16 : Memory f-l : Spring path #CMT#POLYMERS : #/CMT# The auxiliary spring is formed as a rubber-, metal- or coated spring.