Optimization of Vehicle Suspension Systems for Improved Comfort of Road Vehicles Using Flexible Multibody Dynamics

Gonçalves, João Nikolai Vargas; Ambrósio, Jorge

doi:10.1023/b:nody.0000014555.46533.82

Cited by 56 publications

(33 citation statements)

References 21 publications

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“…Using finite elements to describe the flexibility of the body and the modal superposition method has the advantage of greatly reducing the dimensionality of the system. The results presented in [15] showed that the use of the detailed vehicle model within the framework of ride optimisation leads to a measurable improvement of the comfort conditions for different road profiles and driving conditions.…”

Section: Introductionmentioning

confidence: 92%

“…They defined a performance index which expresses the overall variations of the main parameters in the whole range of rolling of the body. A general formulation for multi-body flexible systems, with linear elastic deformations, is considered by Goncalves and Ambrosio [15] whose application involved a road vehicle where flexibility plays an important role in ride and handling dynamic behaviour. Using finite elements to describe the flexibility of the body and the modal superposition method has the advantage of greatly reducing the dimensionality of the system.…”

Section: Introductionmentioning

confidence: 99%

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Optimisation of the Nonlinear Suspension Characteristics of a Light Commercial Vehicle

Özcan

Sönmez

Güvenç

2013

International Journal of Vehicular Technology

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The optimum functional characteristics of suspension components, namely, linear/nonlinear spring and nonlinear damper characteristic functions are determined using simple lumped parameter models. A quarter car model is used to represent the front independent suspension, and a half car model is used to represent the rear solid axle suspension of a light commercial vehicle. The functional shapes of the suspension characteristics used in the optimisation process are based on typical shapes supplied by a car manufacturer. The complexity of a nonlinear function optimisation problem is reduced by scaling it up or down from the aforementioned shape in the optimisation process. The nonlinear optimised suspension characteristics are first obtained using lower complexity lumped parameter models. Then, the performance of the optimised suspension units are verified using the higher fidelity and more realistic Carmaker model. An interactive software module is developed to ease the nonlinear suspension optimisation process using the Matlab Graphical User Interface tool.

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Section: Introductionmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Optimisation of the Nonlinear Suspension Characteristics of a Light Commercial Vehicle

Özcan

Sönmez

Güvenç

2013

International Journal of Vehicular Technology

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“…One of the main elements of the running gear is buff er Ambrósio 2003 and2005) the main features of which are processing road roughness, the quality of controlling the automobile and the comfort of passengers. Th ese functions are evaluated and analyzed in an article of one of the Italian scientists (Arcidiacono et al 2001).…”

Section: Investigation Into the Stability Of Driving An Automobile Onmentioning

confidence: 99%

Investigation Into the Stability of Driving an Automobile on the Road Pavement With Ruts

Vansauskas

Bogdevičius

2009

Transport

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The article reviews the stability of an automobile on the road pavement with ruts. The problems of road safety depend on many factors. One of those is the quality of the road surface. Big heavy lorries deform the road surface causing ruts especially in the first line of the road. The article analyzes the influence of the geometry of ruts on the stability of the automobile. A mathematical model of a 3D automobile and the interaction between wheels and the road surface and the geometry of the road surface are presented. The mathematical criterion of the stability of the moving automobile on the road surface with ruts is laid down. The results of mathematical simulation and the criterion of the stability of the moving automobile (60 km/h) on the road surface depending on the depth of ruts are introduced.

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“…In Ref. 42, through the use of an optimization algorithm with finite-difference sensitivities, the suspension characteristics have been optimized. The ride optimization is achieved by finding the optimum of a ride index that results from a metric that accounts for the acceleration in several key points in the vehicle properly weighted.…”

Section: Safety and Ride Comfortmentioning

confidence: 99%

A Critical Review of Optimization Methods for Road Vehicles Design

Gobbi

Haque

Papalambros³

et al. 2006

11th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference

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[Abstract] The paper deals with the optimal design of road vehicles and their subsystems. The highly competitive nature of the automotive industry demands constant product innovation and reduction in product development both in time and cost while satisfying performance and legal requirements. Optimization procedures provide a scientific approach to automatically determine the most efficient designs under the target operating environment. Particular attention is devoted to the class of methods pertaining to complex system design optimization, as well as the approaches for the optimal design of complex systems under uncertainty. A critical review of the optimization methods used for solving road vehicle system design problems is reported. Some examples of design optimization are given in the field of vehicle system dynamics, powertrain design, internal combustion engine design, active and passive safety, vehicle system design and lightweight structures, advanced automotive electronics.

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Optimization of Vehicle Suspension Systems for Improved Comfort of Road Vehicles Using Flexible Multibody Dynamics

Cited by 56 publications

References 21 publications

Optimisation of the Nonlinear Suspension Characteristics of a Light Commercial Vehicle

Optimisation of the Nonlinear Suspension Characteristics of a Light Commercial Vehicle

Investigation Into the Stability of Driving an Automobile on the Road Pavement With Ruts

A Critical Review of Optimization Methods for Road Vehicles Design

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