NDLI: Nonlinear Control of Semi-Active MacPherson Suspension System

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Olugbenga, M. Anubi Carl, D. Crane
Copyright Year	2012
Abstract	This paper presents the control design and analysis of a non-linear model of a MacPherson suspension system equipped with a magnetorheological (MR) damper. The model suspension considered incorporates the kinematics of the suspension linkages. An output feedback controller is developed using an ℒ2-gain analysis based on the concept of energy dissipation. The controller is effectively a smooth saturated PID. The performance of the closed-loop system is compared with a purely passive MacPherson suspension system and a semi-active damper, whose damping coefficient is tunned by a Skyhook-Acceleration Driven Damping (SH-ADD) method. Simulation results show that the developed controller outperforms the passive case at both the rattle space, tire hop frequencies and the SH-ADD at tire hop frequency while showing a close performance to the SH-ADD at the rattle space frequency. Time domain simulation results confirmed that the control strategy satisfies the dissipative constraint.
Sponsorship	Design Engineering Division Computers and Information in Engineering Division
Starting Page	397
Ending Page	406
Page Count	10
File Format	PDF
ISBN	9780791845059
DOI	10.1115/DETC2012-71179
Volume Number	Volume 6: 1st Biennial International Conference on Dynamics for Design; 14th International Conference on Advanced Vehicle Technologies
Conference Proceedings	ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
Language	English
Publisher Date	2012-08-12
Publisher Place	Chicago, Illinois, USA
Access Restriction	Subscribed
Subject Keyword	Damping Design Linkages Suspension systems Simulation results Dampers Energy dissipation Feedback Control equipment Kinematics Tires Closed loop systems
Content Type	Text
Resource Type	Article

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