A Shaker Rig-Based Testing of Perceived Ride Comfort for Various Configurations of Active Suspensions

Author:

Cvok Ivan1,Hrgetić Mario1,Deur Joško1,Hrovat Davor2,Tseng H. Eric3

Affiliation:

1. Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, Ivana Lučića 5, Zagreb HR-10002, Croatia

2. Department of Mechanical and Aerospace Engineering, University of California San Diego, Jacobs Hall, 2209, La Jolla, CA 92093-0411

3. Research and Innovation Center, Ford Motor Company, 2101 Village Road, Dearborn, MI 48124

Abstract

Abstract Benefits of introducing active suspension in autonomous vehicles in terms of improving the driver's work/leisure ability can be tested under laboratory conditions using a high-performance shaker rig. In this paper, five different suspension configurations, including passive, semi-active, and fully active suspensions (FAS) and related optimal controls with or without road preview information, are implemented in vehicle dynamics simulator. They are experimentally examined having the driver in the loop to obtain objective and subjective measures of ride comfort and ability to do certain tasks. In total, 44 drivers of various age, gender, and driving experience performed three different tasks while being driven on shaker-rig (reading and writing, drawing, and subjective grading). The examination results show that FAS with road preview control offers highest ride comfort improvement, which can be perceived by the driver and greatly improves his/her ability to text and particularly draw.

Publisher

ASME International

Subject

Computer Science Applications,Mechanical Engineering,Instrumentation,Information Systems,Control and Systems Engineering

Reference13 articles.

1. Autonomous Vehicle Implementation Predictions: Implications for Transport Planning,2019

2. State of the Art Survey: Active and Semi-Active Suspension Control;Veh. Syst. Dyn.,2015

3. Active Preview Suspension System;ATZ Worldwide,2008

4. Optimal Vehicle Suspensions: A System-Level Study of Potential Benefits and Limitations;Lugner,2019

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