Title: An eight-link anti-dive front suspension mechanism for scooters

Authors: Biing-Yann Li, Fu-Chen Chen, Hong-Sen Yan

Addresses: Department of Mechanical Engineering, National Cheng Kung University, Tainan 70101, Taiwan, Republic of China. ' Chang Gung University, Taoyuan, Taiwan, Republic of China. ' Department of Mechanical Engineering, National Cheng Kung University, Tainan 70101, Taiwan, Republic of China

Abstract: This work presents an approach for dimensional optimal design of an eight-bar anti-dive front suspension for scooters. Static force analysis is carried out to obtain leverage-ratio curve. Then, dynamic analysis during braking for the front suspension is derived, and anti-dive effect curve is defined according to the principle of virtual work. Based on the dimensionlesslisation of objective curves, multi-objective function optimal design is carried out. An example is given to illustrate the application of this technique. As a result, the proposed eight-bar mechanism has better performances than the existing TLAD mechanism.

Keywords: anti-dive suspension; optimal design; scooters; scooter design; front suspension; scooter suspension; braking; virtual work.

DOI: 10.1504/IJVD.1998.062081

International Journal of Vehicle Design, 1998 Vol.19 No.3, pp.340 - 355

Published online: 29 May 2014 *

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