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Semi-Active Suspension Systems for Road and Off-Road Vehicles - an Overview

Krüger, W. and Vaculin, O. and Spieck, M. (2004) Semi-Active Suspension Systems for Road and Off-Road Vehicles - an Overview. Journal of Middle European Construction and Design of Cars - MECCA, II (4), pp. 1-14.

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Abstract

Road vehicles as well as off-road vehicles are subject to vibrations which can have severe effects on drivers, passengers and load. Ride quality is influenced by vehicle vibrations which may be induced by a variety of sources including roadway roughness or off-road terrain, or they may be internally generated forces produced by vehicle subsystem such as the powertrain. Both short but high vibration peaks and long-duration, high-frequency vibrations can cause discomfort, alertness problems, or in extreme cases health threat or even disorientation of passengers. Most ground vehicles are equipped with passive spring and damping devices which have reached a high level of sophistication. However, they can usually only be tuned to a good performance in a relatively small operational range (weight, speed, excitation level) or they perform only moderately well over a wide operational range. Semi-active suspension based on dampers, a concept also known as active damping, has reached production stage for luxury vehicles, trucks and trains. It has proven to be an effective way to cope with a number of conflicting requirements, especially comfort, ride handling, ground contact of the tyre, road-friendliness, and it works well for a wide range of applications and over a large operational range. The paper will give an overview of active damping techniques, present some state-of-the-art approaches for control and actuation, especially in coordination with other active chassis control approaches, and give examples of applications for ground vehicles.

Document Type:Article
Additional Information:LIDO-Berichtsjahr=2005,
Title:Semi-Active Suspension Systems for Road and Off-Road Vehicles - an Overview
Authors:
AuthorsInstitution or Email of Authors
Krüger, W.UNSPECIFIED
Vaculin, O.UNSPECIFIED
Spieck, M.UNSPECIFIED
Date:2004
Journal or Publication Title:Journal of Middle European Construction and Design of Cars - MECCA
Volume:II
Page Range:pp. 1-14
Status:Published
Keywords:Semi-active suspension, active damping, semi-active damping, magnetorheologie damper, friction damper, control of semi-active damper
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flexible Aircraft (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics
Deposited By: Monika Klauer
Deposited On:16 Sep 2005
Last Modified:12 Dec 2013 20:02

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