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research-article

Low-complexity passive vehicle suspension design based on element-number-restricted networks and low-order admittance networks

[+] Author and Article Information
Yinlong Hu

College of Energy and Electrical Engineering, Hohai University, Nanjing 211100, China
yinlonghu@outlook.com

Michael Z. Q. Chen

School of Automation, Nanjing University of Science and Technology, Nanjing 210094, China
mzqchen@outlook.com

1Corresponding author.

ASME doi:10.1115/1.4040294 History: Received April 24, 2017; Revised May 08, 2018

Abstract

This paper is concerned with the low-complexity passive suspension design problem, aiming at improving vehicle performance in the meanwhile maintaining simplicity in structure for passive suspensions. Two methods are employed to construct the low-complexity passive suspensions. Using the first method, the number of each element is restricted to one, and the performance for all networks with one inerter, one damper, and one spring are evaluated, where best configurations for different vehicle settings are identified. Using the second method, low-order admittance networks whose orders of admittance functions are no larger than three are utilized. Design methods are proposed by directly using the positive realness conditions imposed on the admittance functions. The effectiveness of the proposed methods is numerically demonstrated, and the comparison between these two constructing methods is conducted.

Copyright (c) 2018 by ASME
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