Modified skyhook control of a suspension system with hydraulic strut mount

Author

Le Hoa Nguyen ; Park, Seonghun ; Turnip, Arjon ; Hong, Keum-Shik

Author_Institution

Sch. of Mech. Eng., Pusan Nat. Univ., Busan, South Korea

fYear

2009

fDate

18-21 Aug. 2009

Firstpage

1347

Lastpage

1352

Abstract

In this paper, a mathematical model of a quarter-car suspension system equipped with a hydraulic strut mount is investigated. It is assumed that only suspension deflection is measured. In contrast to the conventional suspension model, in which the effect of a strut mount is not included, damping-spring characteristics of the hydraulic strut mount have been added. Then a modified skyhook control for the proposed model is investigated in achieving both the ride quality and the handling performance. An algorithm to find the optimal skyhook parameters using root mean squares value of the sprung mass acceleration, the suspension deflection, and the tire deflection is introduced. Furthermore, a Kalman filter is introduced to estimate the required state variables for skyhook control.

Keywords

automobiles; damping; hydraulic systems; least mean squares methods; spatial variables control; spatial variables measurement; springs (mechanical); suspensions (mechanical components); tyres; Kalman filter; damping-spring characteristics; hydraulic strut mount; mathematical model; modified skyhook control; quarter-car suspension system; root mean squares value; sprung mass acceleration; suspension deflection; suspension deflection measurement; tire deflection; Acceleration; Control system synthesis; Control systems; Mathematical model; Road safety; Road vehicles; Rubber; State estimation; Vehicle dynamics; Vehicle safety; Hydraulic Mount; Kalman Filter; Skyhook Control; State Estimation; Suspension Control;

fLanguage

English

Publisher

ieee

Conference_Titel

ICCAS-SICE, 2009

Conference_Location

Fukuoka

Print_ISBN

978-4-907764-34-0

Electronic_ISBN

978-4-907764-33-3

Type

conf

Filename

5335250