Vibration Isolation for Active Suspensions With Performance Constraints and Actuator Saturation

This paper investigates the problem of vibration isolation for vehicle active suspension systems, where parameter uncertainties, external disturbances, actuator saturation, and performance constraints are considered in an unified framework. A constrained adaptive robust control technology is develop...

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Bibliographic Details
Published inIEEE/ASME transactions on mechatronics Vol. 20; no. 2; pp. 675 - 683
Main Authors Weichao Sun, Huijun Gao, Kaynak, Okyay
Format Journal Article
LanguageEnglish
Published New York IEEE 01.04.2015
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Active control
Active suspension system
actuator saturation
Actuators
adaptive control
Disturbances
Mathematical analysis
performance constraints
Roads
Robust control
Saturation
Suspensions
Uncertainty
Vehicles
Vibration
Vibrations
adaptive control
robust control
actuator saturation
performance constraints
Active suspension system
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Summary:This paper investigates the problem of vibration isolation for vehicle active suspension systems, where parameter uncertainties, external disturbances, actuator saturation, and performance constraints are considered in an unified framework. A constrained adaptive robust control technology is developed to not only stabilize the attitude of vehicle in the context of parameter uncertainties and external disturbances, but also cover the problems of actuator saturation and performance constraints. Furthermore, the performance analysis of the closed-loop systems is given, by means of rigorous mathematical derivations. Extensive comparative experimental results are obtained to illustrate the effectiveness of the proposed control law.
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ISSN:1083-4435
1941-014X
DOI:10.1109/TMECH.2014.2319355