American Journal of Mechanical Engineering
ISSN (Print): 2328-4102 ISSN (Online): 2328-4110 Website: http://www.sciepub.com/journal/ajme Editor-in-chief: Kambiz Ebrahimi, Dr. SRINIVASA VENKATESHAPPA CHIKKOL
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American Journal of Mechanical Engineering. 2019, 7(4), 151-157
DOI: 10.12691/ajme-7-4-1
Open AccessArticle

Sliding Mode Controller for Different Road Profiles of Active Suspension System for Quarter-Car Model

Nouby M. Ghazaly1, , Mostafa Makrahy2 and Ahmad O. Moaaz3

1Mechanical Engineering Department, Faculty of Engineering, South Valley University, Qena, Egypt

2Automotive Engineering Department, Faculty of Engineering, Minia University, Minia-Egypt

3Mechanical Engineering Department, Faculty of Engineering, Beni-suef University, Beni-suef, Egypt

Pub. Date: September 24, 2019

Cite this paper:
Nouby M. Ghazaly, Mostafa Makrahy and Ahmad O. Moaaz. Sliding Mode Controller for Different Road Profiles of Active Suspension System for Quarter-Car Model. American Journal of Mechanical Engineering. 2019; 7(4):151-157. doi: 10.12691/ajme-7-4-1

Abstract

The main purpose of the vehicle suspension system is to induce more comfortable riding and well handling with the road inputs. The principal objective of this research paper is to reduce vibration and improve passenger comfort of car suspension through the sliding mode controller. The mathematical model of passive and active suspensions mechanism for a quarter car model that subjects to excitation from road profiles is obtained. The active suspension system is developed through sliding mode control for a quarter car model. The performance of the sliding mode control is evaluated through a simulation approach using MATLAB and SIMULINK toolbox. The simulated results plotted in the time domain and root mean square values. It is concluded that the active suspension using a sliding mode controller improves the ride comfort and reduces vibration.

Keywords:
quarter car model active suspension system sliding mode control road profile

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