TAILIEUCHUNG - Robust vehicle suspension system by converting active & passive control of a vehicle to semi active control system analytically

This research article deals with a simplified translational model of an automotive suspension system which is constructed by considering the translation motion of one wheel of a car. Passive Vehicle Suspension System is converted into Semi Active Vehicle System. | Journal of Automation and Control Engineering Vol. 4, No. 4, August 2016 Robust Vehicle Suspension System by Converting Active & Passive Control of a Vehicle to Semi-Active Control System Analytically Hassan Elahi, Asif Israr, M. Zubair Khan, and Shamraiz Ahmad Department of Mechanical Engineering, Institute of Space Technology, Islamabad, Pakistan Email: {, , , }@ use of an active damper that is attached in parallel to the conventional spring. In this research paper vehicle suspension model with semi active control system is established in MATLAB and finally their performance are compared on the basis of the result for the MATLAB. Abstract—This research article deals with a simplified translational model of an automotive suspension system which is constructed by considering the translation motion of one wheel of a car. Passive Vehicle Suspension System is converted into Semi Active Vehicle System. Major advantage achieved by this system is that it adjusts the damping of the suspension system without the application of any actuator by using MATLAB® simulations. The semiactive control is found to control the vibration of suspension system very well. Index Terms—vibration control, translational model, vehicle suspension system, active control system, passive control system I. INTRODUCTION Suspension system separates the wheel of the vehicle form the vehicle body in order to avoid any jerks due to rough roads. They ensure the comfort of the passengers by absorbing shocks and dissipating them. A conventional vehicle Suspension System constitutes of a damper (energy dissipating element) and a helical or leaf spring (energy storing element) [1]. Since no energy can be added by these two elements, such suspension system is called passive vehicle suspension system. There are limitations of passive vehicle suspension system due to a compromise between spring rate and damping characteristics in order to achieve .

• Cơ khí - Chế tạo máy
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• Robust vehicle suspension system
• Converting active & passive control
• A vehicle to semi active control system analytically
• Semi Active Vehicle System
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