Optimal Control Design of Active Suspension System Based on Quarter Car Model

Uddin, Nur (2019) Optimal Control Design of Active Suspension System Based on Quarter Car Model. Infotel, 11 (2). pp. 1-7. ISSN 2460-0997

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Official URL: http://ejournal.st3telkom.ac.id/index.php/infotel

Abstract

The optimal control design of the ground-vehicle active suspension system is presented. The active suspension system is to improve the vehicle ride comfort by isolating vibrations induced by the road profile and vehicle velocity. The vehicle suspension system is approached by a quarter car model. Dynamic equations of the system are derived by applying Newton’s second law. The control law of the active suspension system is designed using linear quadratic regulator (LQR) method. Performance evaluation is done by benchmarking the active suspension system to a passive suspension system. Both suspension systems are simulated in computer. The simulation results show that the active suspension system significantly improves the vehicle ride comfort of the passive suspension system by reducing 50.37% RMS of vertical displacement, 45.29% RMS of vertical velocity, and 1.77% RMS of vertical acceleration.

Item Type:	Artikel
Uncontrolled Keywords:	Optimal control, linear quadratic regulator, active suspension system, ride comfort, quarter car.
Subjects:	T Technology > T Technology (General)
Divisions:	Fakultas Teknologi dan Desain > Informatika
Depositing User:	Admin Repository
Date Deposited:	21 Jun 2022 08:11
Last Modified:	16 Jan 2023 02:04
URI:	http://eprints.upj.ac.id/id/eprint/2687

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