Constrained adaptive backstepping control of a semi‐active suspension considering suspension travel limits

In this article, a new constrained adaptive backstepping control design is presented for vibration suppression of the quarter car suspension system equipped with a magnetorheological (MR) damper. In the controller design, parametric uncertainties related to suspension parameter and the semi‐active a...

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Bibliographic Details
Published in:Asian journal of control 2021-05, Vol.23 (3), p.1380-1393
Main Authors: Yıldız, Ali Suat, Sivrioğlu, Selim
Format: Article
Language:English
Subjects:
Active control
Actuators
Adaptive control
Backstepping controller
Barrier Lyapunov function
Constraints
Control systems design
Controllers
Design
ISO 8608
Parameters
Passenger comfort
Semi‐active suspension
Suspension systems
Uncertainty
Vibration control
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Summary:In this article, a new constrained adaptive backstepping control design is presented for vibration suppression of the quarter car suspension system equipped with a magnetorheological (MR) damper. In the controller design, parametric uncertainties related to suspension parameter and the semi‐active actuator are considered. Also, the proposed controller is investigated, along with the designed road profiles based on the International Standard Organization (ISO) 8608 classification and tested under different speed conditions. The effectiveness of the proposed controller has been validated through comparisons with uncontrolled, passive, and separately designed adaptive control cases. According to the simulation and experimental results, the proposed control approach improves ride comfort and ride safety without violating suspension rattle space constraint despite the uncertainties in suspension parameters.
ISSN:1561-8625
1934-6093
DOI:10.1002/asjc.2302