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DISSERTATIONS
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Author: |
Karaoglanidis Georgios |
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Title: |
Αρχικός σχεδιασμός οχημάτων με κριτήριο την ευστάθεια
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Abstract: |
In order to
define the handling properties of a vehicle at the very first design
stages many assumptions and simplifications are necessary. The most
typical approach is by using simplified numerical methods for
predicting the vehicle handling characteristics such as the one
track vehicle model. In most cases this model doesn’t allows for
successful choice of the basic geometrical dimensions of the
suspension or the steering mechanism. For this reason a new more
complete procedure is needed in order to choose the basic
geometrical dimensions and properties of a vehicle at the first
design stage. For the examination of the above characteristics a new
mathematical model was developed and the stability and the
directional behavior of a vehicle negotiating a turn at constant
forward speed were analyzed. The value of the presented model is
that the influence of both suspension and steering mechanisms to the
final vehicle handling properties can be predicted with high
accuracy without the need of their geometrical description. Finally,
with the vehicle Formula ART 7 as basis parametrical analysis were
made in order to examine the influence of the geometrical dimensions
to the stability, directional control and handling properties of the
vehicles. |
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