Optimal Active Control of Vehicle Suspension System Including Time Delay and Preview for Rough Roads-Reference-Cited by-同舟云学术

Optimal Active Control of Vehicle Suspension System Including Time Delay and Preview for Rough Roads

Published:2002-07 Issue:7 Volume:8 Page:967-991
ISSN:1077-5463
Container-title:Journal of Vibration and Control
language:en
Short-container-title:Journal of Vibration and Control

Author:

Marzbanrad Javad¹,Ahmadi Goodarz²,Hojjat Yousef³,Zohoor Hassan⁴

Affiliation:

1. Department of Mechanical and Aeronautical Engineering, Clarkson University, Potsdam, NY 13699-5725, USA, Department of Vehicle, Iran Science and Technology, Tehran, I.R. Iran,

2. Department of Mechanical and Aeronautical Engineering, Clarkson University, Potsdam, NY 13699-5725, USA,

3. Department of Mechanical Engineering, Tarbiat Modarres University, Tehran, I.R. Iran

4. Department of Mechanical Engineering, Sharif University of Technology, Tehran, I.R. Iran

Abstract

An optimal preview control of a vehicle suspension system traveling on a rough road is studied. A three-dimensional seven degree-of-freedom car-riding model and several descriptions of the road surface roughness heights, including haversine (hole/bump) and stochastic filtered white noise models, are used in the analysis. It is assumed that contact-less sensors affixed to the vehicle front bumper measure the road surface height at some distances in the front of the car. The suspension systems are optimized with respect to ride comfort and road holding preferences including accelerations of the sprung mass, tire deflection, suspension rattle space and control force. The performance and power demand of active, active and delay, active and preview systems are evaluated and are compared with those for the passive system. The results show that the optimal preview control improves all aspects of the vehicle suspension performance while requiring less power. Effects of variation of preview time and variations in the road condition are also examined.

Publisher

SAGE Publications

Subject

Mechanical Engineering,Mechanics of Materials,Aerospace Engineering,Automotive Engineering,General Materials Science

Link

http://journals.sagepub.com/doi/pdf/10.1177/107754602029586

Reference36 articles.

1. Optimum Linear Preview Control With Application to Vehicle Suspension

2. Optimal Linear Active Suspensions with Integral Constraint

3. Effect of Non-Linear Components on the Performance of a Hydro -Pneumatic Slow-Active Suspension System

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