Based on the theoretical background explained in 'Pneumatic suspension in semi-trailers: Part I', where air spring suspension is analysed, a three-dimensional model of a semi-trailer with triaxial tandem and pneumatic suspension is developed. The elastic behaviour of an air spring and bushings is introduced and complemented with the dissipative action of a hydraulic damper. The magic Formula model (the Pajecka Formulation) is applied to define the tyre dynamics. A commercial multi-body simulation software package (DADS(registered trademark)) is used to implement the model, and its post-processing capabilities allow an estimation of the dynamic response of the vehicles studied, and the safety conditions for circulation. Different driving manoeuvres are simulated with various road conditions. The work is of value in the evaluation of the static and dynamic response of heavy vehicle combinations under critical situations.
Pneumatic suspensions in semi-trailers: Part II. Computer simulation
Heavy Vehicle Systems ; 10 , 4 ; 309-320
2003
12 Seiten, 20 Quellen
Article (Journal)
English
Pneumatic suspensions in semi-trailers: part II - computer simulation
Automotive engineering | 2003
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