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Issue Int. J. Simul. Multi. Design Optim.
Volume 3, Number 3, July 2009
Page(s) 411 - 416
DOI 10.1051/ijsmdo/2009017
Published online 21 October 2009

Int. J. Simul. Multidisci. Des. Optim. 3, 411-416 (2009)
DOI: 10.1051/ijsmdo/2009017

Multi-Body Simulation and Multi-Objective Optimization Applied to Vehicle Dynamics

Fabiano Maggio

EnginSoft S.p.A., Via Giambellino 7, 35129, Padova, Italy


Received 13 April 2009, Accepted 14 August 2009; published online 21 October 2009

Abstract
This paper describes a demo application, where modeFRONTIER, a commercial software for design optimization, is coupled with a parametric 2D Multi-Body model of a touring motorcycle. The optimizer is asked to identify the characteristics of the front suspension (telelever scheme) that deliver more safety, more stability, and more riding comfort for a braking maneuver in straight running. All objectives are described through 4 scalar indexes, extracted from the braking kinematics. As expected, results highlight that trade-off relationships connect the objectives. Only 13, among the 1900 tested configura-tions, are able to simultaneously improve the 4 indexes. Moreover, no design in this selection assures a decisive improvement of the stability. In order to accomplish this priority requirement, the best design is chosen accepting a slight reduction of stabil-ity.



Key words: Motorcycle Optimization -- Braking Maneuver -- Telelever -- Multi-Objective Optimization -- Design Optimization

Correspondence: f.maggio@enginsoft.it


© ASMDO 2009


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