Modeling the Vertical Dynamics of a Car on an Mechatronic Basis

Abstract

This paper presents the results obtained on the basis of the mechatronic model of a passenger car. In order to minimize the induced mechanical vibrations during drive event on a coarse road surface, a modification of the structure of the vehicle suspension has been applied. The proposed modification introduces additional active damping element, which task is to reduce the vertical displacement of the vehicle body. In the real world such a target can be achieved by use of appropriate control units, which drive the electronic and hydraulic components of the suspension. Additionally, the phenomenological models of the passengers have been included into the computer simulation model.

Preliminary Studies of Vertical Acceleration of a Passenger Car Passing Through the Speed Bump for Various Driving Speeds

“…One of the most popular dynamic models for vehicle suspensions is the half-model. The dynamic model presented in the article is a classic half-size model widely used in the literature [1,3,5,6,8,15,18,[22][23][24], in which the biomechanical model of the passenger and the driver in the form of a reduced mass along with the seat was also distinguished. For the purposes of modelling the seated passenger, a biomechanical model of the 6-DOF person sitting of Muksian and Nash was used [2,13,16].…”