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Stiffness design, analysis and validation of a parallel-mechanism equivalent suspension system

Research output: Chapter in Book/Report/Conference proceedingConference paper

Chen Qiu, Ketao Zhang, Jing Shan Zhao, Jian S. Dai

Original languageEnglish
Title of host publication39th Mechanisms and Robotics Conference
PublisherAmerican Society of Mechanical Engineers (ASME)
Volume5B-2015
ISBN (Print)9780791857137
DOIs
Publication statusPublished - 5 Aug 2015
EventASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE 2015 - Boston, United States
Duration: 2 Aug 20155 Aug 2015

Conference

ConferenceASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE 2015
CountryUnited States
CityBoston
Period2/08/20155/08/2015

King's Authors

Abstract

This paper provides a systematic approach to design a vehicle's independent suspension system. In this approach, multi-link type suspension is selected. By treating it as a parallel mechanism, both the kinematic design and force analysis are conducted in the same framework of screw theory. Regarding the kinematic design, constraint-based approach is used to find suitable layouts of constraint limbs in accordance with desired degree of freedom. In the force analysis, stiffness matrix of the suspension mechanism is developed, leading to the deformation and stress analysis under various critical loads. The developed formulae are further utilized to design suitable suspension mechanism, followed by finite-element-simulation validation as well as optimization design to reduce the resulted maximum stresses.

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