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Electro-hydraulic PID force control for nonlinear vehicle suspension system

Bello, Musa Mohammed and Shafie, Amir Akramin and Khan, Md. Raisuddin (2015) Electro-hydraulic PID force control for nonlinear vehicle suspension system. International Journal of Engineering Research & Technology (IJERT), 4 (1). pp. 517-524. ISSN 2278-0181

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Abstract

The main purpose of vehicle suspension system is to isolate the vehicle main body from any road geometrical irregularity in order to improve the passengers ride comfort and to maintain good handling stability. The present work aim at designing a control system for an active suspension system which is widely applied in today’s automotive industries. The design implementation involves construction of a state space model for half vehicle with four degree of freedom and a development of full state-feedback controller using Linear Quadratic Regulator (LQR) techniques. The performance of active suspension system was assessed by comparing its response to that of passive suspension system. Simulation using Matlab/Simulink environment shows that, even at resonant frequency the active suspension system develops a good dynamic response and a better ride comfort when compared with the passive suspension system.

Item Type: Article (Journal)
Additional Information: 5119/42201
Uncontrolled Keywords: Active suspension; half vehicle model; hydraulic actuator; Matlab/Simulink; PID control
Subjects: T Technology > TJ Mechanical engineering and machinery
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Mechatronics Engineering
Depositing User: Dr Amir Shafie
Date Deposited: 17 Mar 2015 11:11
Last Modified: 26 May 2015 10:25
URI: http://irep.iium.edu.my/id/eprint/42201

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