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Paschedag, T., Giua, A., Seatzu, C. Constrained optimal control: an application to semi active suspension systems, Int. Journal of Systems Science, Vol. 41, No. 7, pp. 797-811, July 2010.

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Article

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

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


American Journal of Mechanical Engineering. 2019, Vol. 7 No. 4, 151-157
DOI: 10.12691/ajme-7-4-1
Copyright © 2019 Science and Education Publishing

Cite this paper:
Nouby M. Ghazaly, Mostafa Makrahy, 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.

Correspondence to: Nouby  M. Ghazaly, Mechanical Engineering Department, Faculty of Engineering, South Valley University, Qena, Egypt. Email: nouby.ghazaly@eng.svu.edu.eg

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.

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