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Damper Fault-Tolerant Linear Parameter-Varying Semi-Active Suspension Control

Fleps-Dezasse, Michael and Svaricek, Ferdinand and Brembeck, Jonathan (2017) Damper Fault-Tolerant Linear Parameter-Varying Semi-Active Suspension Control. In: Proceedings of the 20th IFAC World Congress, 50 (1), pp. 8592-8599. 20th World Congress of the International Federation of Automatic Control, 2017-07-09 - 2017-07-14, Toulouse, Frankreich. doi: 10.1016/j.ifacol.2017.08.1425.

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Official URL: http://www.sciencedirect.com/science/article/pii/S2405896317319870


This paper addresses the design of a fault-tolerant semi-active suspension controller. The fault-tolerant properties of the controller are realized by an LPV anti-windup approach using saturation indicator scheduling parameters. The saturation indicators model the force limitations of the semi-active dampers in the LPV framework and thus allow for the synthesis of semi-active suspension controllers with guaranteed closed-loop stability and performance. Additionally, the saturation indicators readily describe damper failures like e.g. oil leakage which extends the controller validity from normal operation to faulty operation modes. This property of the saturation indicator concept is exploited by augmenting the LPV controller by a damper force reconfiguration which explores the weak input redundancy provided by four semi-active dampers. The damper force reconfiguration aims at a maximization of ride comfort performance in the presence of damper failures. The achievable ride comfort improvement is illustrated by a simulation study with a full-vehicle model excited by sine sweeps.

Item URL in elib:https://elib.dlr.de/115078/
Document Type:Conference or Workshop Item (Speech)
Title:Damper Fault-Tolerant Linear Parameter-Varying Semi-Active Suspension Control
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Brembeck, JonathanUNSPECIFIEDhttps://orcid.org/0000-0002-7671-5251UNSPECIFIED
Journal or Publication Title:Proceedings of the 20th IFAC World Congress
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 8592-8599
Series Name:IFAC Proceedings Volumes (IFAC-PapersOnline)
Keywords:Linear parameter-varying control; actuator saturation; semi-active damper; fault-tolerant control
Event Title:20th World Congress of the International Federation of Automatic Control
Event Location:Toulouse, Frankreich
Event Type:international Conference
Event Start Date:9 July 2017
Event End Date:14 July 2017
Organizer:International Federation of Automatic Control (IFAC)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - Fahrzeugintelligenz (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of System Dynamics and Control
Deposited By: Fleps-Dezasse, Michael
Deposited On:06 Nov 2017 16:28
Last Modified:24 Apr 2024 20:19

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