Comparison of Control Strategies in the Design of Semi-Active Secondary Suspension of a Railway Wagon
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Abstract
Suspension system performs the function of reducing the vibration transfer from the track irregularities to the vehicle body and hence to be designed to improve ride performance which can be judged by the comfort of the ride and maintaining contact between wheels and track way for good vehicle handling for any driving condition. Suspension systems can be generally classified into three varieties: passive, active and semi-active. Conventional suspension system consisting of springs and dampers is referred to as passive suspension and suspension system with external control is referred to as a semi-active or active suspension. As part of the study, on a Magneto Rheological (MR) damper, Skyhook, ground hook and hybrid control strategies are tested and compared using MATLAB Simulink simulations.
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