Spatial concept synthesis of compliant mechanisms utilizing non-linear eigentwist characterization

Conference paper (2018)

Authors

J.P.A. Nijssen Mechatronic Systems Design - Mechanical, Maritime and Materials Engineering
G. Radaelli Mechatronic Systems Design - Mechanical, Maritime and Materials Engineering
J.L. Herder Precision and Microsystems Engineering
J. B. Ring Bucknell University
Charles J. Kim Bucknell University
Research Group
Mechatronic Systems Design (Mechanical, Maritime and Materials Engineering) (TU Delft)
Compliant mechanisms
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Published Date

2018

Language

English

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Precision and Microsystems Engineering

Research Group

Mechatronic Systems Design

Abstract

Spatial compliant mechanism are challenging to design owing to their complex spatial kinetic and kinematic behavior. There are many synthesis methods to design compliant mechanisms, but they are often presented for planar mechanisms or have other limitations such as lack of designer input possibilities. In this paper a method based on the compliance ellipsoid is presented to create compliant mechanism topologies for spatial design cases. The result of this synthesis method is a qualitative concept which fundamentally creates the desired kinetic and kinematic profile. This concept can then be further refined using a large deformation eigentwist analysis, presented here. Lastly, these tools are used in a design example to show its potential.