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Math. Comput. Appl. 2016, 21(2), 13; doi:10.3390/mca21020013

Design of a Parameter-Dependent Optimal Vibration Control of a Non-Linear Vehicle Suspension System

Department of Mechanical Engineering, Yildiz Technical University, Besiktas, Istanbul 34349, Turkey
Academic Editor: Gözde Sarı
Received: 23 February 2016 / Revised: 13 April 2016 / Accepted: 18 April 2016 / Published: 27 April 2016
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Abstract

This paper is concerned with the design of a parameter-dependent optimal controller for an active vibration attenuation problem of a non-linear vehicle system. A five degree-of-freedom vertical vibration model having an integrated vehicle seat, a non-linear vehicle suspension system, and a seated human body is presented to analyze ride comfort and safety requirements under different types of road disturbances. In the suspension system, the non-linear parts of spring and damper dynamics are considered as scheduling parameters, which are measurable and available for feedback. Then, a parameter-dependent optimal state-feedback controller design that minimizes L2 gain from disturbance to performance output for a linear parameter-varying (LPV) system is presented with linear matrix inequality (LMI) constraints. Finally, numerical simulations are conducted to demonstrate the effectiveness of the proposed controller. View Full-Text
Keywords: active suspension control; driver body model; linear parameter-varying (LPV) system; parameter-dependent optimal control active suspension control; driver body model; linear parameter-varying (LPV) system; parameter-dependent optimal control
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Yazici, H. Design of a Parameter-Dependent Optimal Vibration Control of a Non-Linear Vehicle Suspension System. Math. Comput. Appl. 2016, 21, 13.

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