Abstract
Better journey comfort and controllability of automobile are pursued via car industries with the aid of considering using suspension system which plays a very crucial function in handling and ride comfort characteristics. This paper presents the design of an active suspension of quarter automobile system using robust H2 optimal controller and robust μ - synthesis controller with a second order hydraulic actuator. Parametric uncertainties have been additionally considered to model within the system. Numerical simulation become completed to the designed controllers. Results display that during spite of introducing uncertainties, the designed μ - synthesis controller improves ride consolation and road protecting of the automobile while as compared to the H2 optimal controller. Index Terms--- Quarter car active suspension system, H2 optimal controller, μ - synthesis controller DOI: 10.7176/CTI/10-03 Publication date: July 31 st 2020
Highlights
An automobile suspension system is the mechanism that bodily separates the automobile body from the wheels of the car
To predict car response before automobile prototype finishing touch, many researchers have tried to use complex and superior damper fashions to simulate the car’s dynamics, these fashions all be afflicted by a few disadvantage – it's far both based on empirical statistics, giving no indication of the bodily parameters of the design sought; it could be overly complex, having many parameters and rendering software impractical; or it can be quick based totally on the idea that there's no hysteresis in the damping character
6 Conclusion The technique turned into advanced to design an active suspension for a passenger vehicle with the aid of designing a controller, which improves overall performance of the system with respect to design desires compared to active suspension system
Summary
An automobile suspension system is the mechanism that bodily separates the automobile body from the wheels of the car. Suspension system is a mechanism that bodily separates the car body from the automobile wheel. A progressed suspension system allows a vehicle to attain better speeds over rougher terrain, and results in better handling, in addition to improved trip consolation. A first step in vehicle suspension design is estimating a preferred spring and damper function, and verifying that characteristic the use of software program simulation. To predict car response before automobile prototype finishing touch, many researchers have tried to use complex and superior damper fashions to simulate the car’s dynamics, these fashions all be afflicted by a few disadvantage – it's far both based on empirical statistics, giving no indication of the bodily parameters of the design sought; it could be overly complex, having many parameters and rendering software impractical; or it can be quick based totally on the idea that there's no hysteresis in the damping character.
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