Browse Publications Technical Papers 2019-01-0403

Study and Analysis of the Behavior of a Seated Human Body in a Vehicle by the Influence of an Active Suspension System 2019-01-0403

The objective of this paper is to study the behavior of the human body on the influence of suspension system with the effect of controller. For this work, 2-DoF quarter car suspension system with 4 DoF seated human body is modeled. The mathematical equation is developed by using a lumped mass parameter method. Governing equation of motion is generated by Newton’s Law of motion. Random road profile is considered for this study analysis. MATLAB/SIMULINK software is used to simulate the system results. System analysis is limited to PID controller with a hydraulic actuator. Seat to Head transmissibility ratio of the active suspension system is analyzed and compared with the passive suspension system. Finally, to illustrate the effectiveness of the proposed active system, simulated results are compared with ISO 2631 comfort curves.


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