Volume 12, Issue 2 (6-2022)                   ASE 2022, 12(2): 3827-3837 | Back to browse issues page

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Nourollahi Golouje Y, Abtahi S M, Majidi M. Chaos Analysis along with Comparison of Chaos Control Algorithms in Active Suspension System. ASE 2022; 12 (2) :3827-3837
URL: http://www.iust.ac.ir/ijae/article-1-609-en.html
Chaos Analysis along with Comparison of Chaos Control Algorithms in Active Suspension System
Yavar Nourollahi Golouje , Seyyed Mahdi Abtahi , Majid Majidi
Assistant professor, Department of Mechanical Engineering, Qazvin Islamic Azad University, Qazvin Branch, Faculty of Industrial and Mechanical Engineering, Qazvin
Abstract:   (4985 Views)
In this paper, analysis and control of the chaotic vibrations in bounce dynamic of vehicle have been studied according to the comparison of controller based on the nonlinear control and chaos controller on the basis of the chaotic system properties. After modeling the vehicle dynamic, the chaotic behavior of the uncontrolled system was determined using combination of the numerical analysis including bifurcation diagrams and max Lyapunov exponent. The system parameters values were then identified in the quasi-periodic and chaotic behavior system. In order to eliminate the chaotic vibrations, the control signal was first developed using a nonlinear fast-terminal sliding mode control algorithm that its control gains are estimated online by fuzzy logic which was designed for vehicle vertical dynamics. Then the delayed feedback control was designed based on the development of Pyragas algorithm to control the system based on the properties of the chaotic system and generation of a small control signal. Comparison of the feedback system depicts priority of the Fuzzy-Pyragas controller in less energy consumption and better behavior.
Keywords: Bifurcation diagram, Lyapunov exponent, Chaos control, fast terminal sliding mode, Pyragas algorithm, Fuzzy inference
Full-Text [PDF 891 kb]   (4184 Downloads)    
Type of Study: Research | Subject: Vibration, noise, Acoustic
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