Influence of Tire Damping on Actively Controlled Quarter-Car Suspensions
JOURNAL OF VIBRATION AND ACOUSTICS-TRANSACTIONS OF THE ASME, vol.133, no.5, 2011 (SCI-Expanded, Scopus)
- Publication Type: Article / Article
- Volume: 133 Issue: 5
- Publication Date: 2011
- Doi Number: 10.1115/1.4003936
- Journal Name: JOURNAL OF VIBRATION AND ACOUSTICS-TRANSACTIONS OF THE ASME
- Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Anadolu University Affiliated: Yes
Abstract
In this note, a comprehensive analysis of tire damping effect on H-2-optimal, multi-objective, and robust control of quarter-car suspensions excited by random road disturbances is provided. First, H-2-optimal and convex multi-objective control problems are formulated and the latter problem is solved using linear matrix inequalities. Next, the multi-objective control problem is reformulated as a nonconvex and nonsmooth optimization problem with controller order restricted to be less than or equal to the quarter-car model order. For a range of orders, controllers are synthesized by using the HIFOO toolbox. Parametric studies of this note show that the effect of tire damping on the closed-loop performance of actively controlled suspension systems can be significant. Lastly, a robust controller with guaranteed performance over all polytopic suspension models with tire damping coefficient confined to a prescribed interval is synthesized. [DOI: 10.1115/1.4003936]