Robust static output-feedback controller design against sensor failure for vehicle dynamics

This study deals with the design of a robust fault estimation and fault-tolerant control for vehicle lateral dynamics subject to external disturbance and unknown sensor faults. Firstly, a descriptor state and fault observer is designed to achieve the system state and sensor fault estimates simultane...

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Bibliographic Details
Published inIET control theory & applications Vol. 8; no. 9; pp. 728 - 737
Main Authors Aouaouda, Sabrina, Chadli, Mohammed, Karimi, Hamid-Reza
Format Journal Article
LanguageEnglish
Published Stevenage The Institution of Engineering and Technology 01.06.2014
John Wiley & Sons, Inc
Subjects
control system synthesis
descriptor state
Design engineering
Dynamics
Estimates
Failure
fault observer
Fault tolerance
fault tolerant control
Faults
feedback
linear matrix inequalities
observers
robust control
robust fault estimation
robust static output feedback controller design
sensor failure
Sensors
SOFC design
Special Issue on Fault Detection, Isolation, and Tolerant Control of Vehicles using Soft Computing Methods
vehicle dynamics
Vehicles
SOFC design
control system synthesis
vehicle dynamics
fault-tolerant control
feedback
sensors
sensor failure
descriptor state
linear matrix inequalities
robust fault estimation
fault observer
robust control
robust static output feedback controller design
observers
fault tolerant control
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Summary:This study deals with the design of a robust fault estimation and fault-tolerant control for vehicle lateral dynamics subject to external disturbance and unknown sensor faults. Firstly, a descriptor state and fault observer is designed to achieve the system state and sensor fault estimates simultaneously. Secondly, based on the information of on-line fault estimates, a robust fault-tolerant controller based on static output-feedback controller (SOFC) design approach is developed. To provide linear matrix inequalities of less conservatism, the results are conducted in the non-quadratic framework dealing with unmeasurable premise variables case. Simulation results show the effectiveness of the proposed control approach when the vehicle road adhesion conditions change and the sideslip angle is unavailable for measurement.
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ISSN:1751-8644
1751-8652
DOI:10.1049/iet-cta.2013.0709