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Combined CNF with LQR in improving ride and handling for ground vehicle

Zulkarnain, Noraishikin and Zamzuri, Hairi and Mazlan, Saiful Amri (2014) Combined CNF with LQR in improving ride and handling for ground vehicle. Applied Mechanics and Materials, 575 . pp. 749-752. ISSN 1660-9336

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Official URL: http://dx.doi.org/10.4028/www.scientific.net/AMM.5...

Abstract

This paper presents and analyses a performance comparison between a Linear Quadratic Regulator (LQR) and Composite Nonlinear Feedback (CNF) controllers for an active anti-roll bar (ARB) system. The anti-roll bar system has to balance the trade-off involving ride comfort and handling performance. The basic vehicle dynamic modelling with four degree of freedom (DOF) on half car model is proposed. The design model is validity and the performances of roll angle and roll rate under control of LQR and CNF controller are achieved by using simulation analysis. Both two controllers are modeled in MATLAB/SIMULINK environment. It has to be determined which control strategy delivers better performance with respect to roll angle and the roll rate of half vehicle body to achieve this goal. The result shows, the CNF LQR fusion control strategy improve the performance compared to LQR and CNF control strategy.

Item Type:Article
Uncontrolled Keywords:active anti-roll bar, handling, optimal control, ride comfort
Subjects:T Technology
Divisions:Razak School of Engineering and Advanced Technology
ID Code:52144
Deposited By: Siti Nor Hashidah Zakaria
Deposited On:01 Feb 2016 03:52
Last Modified:28 Jan 2019 04:44

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