Investigation the Influence of a Control Arm for Proposed Variable Stiffness Suspension System
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 5
Abstract
A theoretical active and experimental passive analysis of a proposed variable stiffness model of the suspension structure with additional subsystem by control arm to dissipate the transfer load from the road profile is considered to advance the old model of suspension structure. The focus idea of a structure concentrated on variable stiffness mechanisms by the additional subsystem to the structure depend on the control pivoting arm adjusting the force between the two sides of it. The new proposed comprises of a vertical control strut additional with old exist strut . The variation of the load transfer by turning arm has spring and damper at another side of it where the purpose of rotation is supplemented of body vehicle by subsystem as vertical support. The variation of the load transfer ratio is used by additional strut in order to control a position of a point. It's supplement of the second strut to a body of the vehicle. This investigation aims to develop the traditional suspension system in passive to modifying the structure by reduce the vertical acceleration of system and for active case by designing a controller using Linear Quadratic Regulation control theory. The performance of the transfer energy of vibrations for modified structure has effects on the body vehicle by control arm, so reducing energy transfer for disturbance of the road to the vehicle body at comparatively lower cost to the traditional active suspension. The experimental investigates and theoretical results shown that a better performance to improve both the rid comfort and road holding.
Authors and Affiliations
Mohammed Jawad Aubad, Hatem Rahim Wasmi
Keywords
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