Title: Analysis of double diamond scissor-like isolator structure for passive vibration isolation of seating suspension system

Authors: Linchuan Guo; Fengrong Bi; Hongli Shu; Xu Wang

Addresses: School of Engineering, RMIT University, Australia ' School of Mechanical Engineering, Tianjin University, Tianjin 100083, China ' Jiangxi Professional Institute of Mechatronics Technology, Nanchang North Development District, ICP 05001964, Fenglin Road, Jiangxi 330013, China ' School of Engineering, RMIT University, Australia

Abstract: This paper aims to identify the critical design parameters that affect the peak transmissibility ratio of seating suspension system and study the design parameter sensitivity. The design parameter sensitivity analysis can be applied for seat cushion design. The analytical model of the double diamond scissor-like isolator structure has been developed and validated by the MSC ADAMS simulation model. The driver's head accelerations are simulated on the different ISO road classes and compared with the peak transmissibility ratio to evaluate the vibration isolation performance. The effects of structural parameters in the proposed system have also been studied through the validated analytical model to find out how to adjust the parameters to provide better vibration isolation performance.

Keywords: passive; seating suspension system; DDSLIS; negative stiffness; quasi-zero stiffness; QZS.

DOI: 10.1504/IJVNV.2022.128262

International Journal of Vehicle Noise and Vibration, 2022 Vol.18 No.3/4, pp.139 - 165

Received: 07 Feb 2022
Accepted: 22 Feb 2022
Published online: 16 Jan 2023 *

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