Design and testing of a precision coupling for origami-based arrays

IF 4.5 1区 工程技术 Q1 ENGINEERING, MECHANICAL Mechanism and Machine Theory Pub Date : 2025-01-31 DOI:10.1016/j.mechmachtheory.2025.105936
Clark Roubicek, Philip B. Klocke, Davis Wing, Spencer P. Magleby, Larry L. Howell
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Abstract

Creating ways to achieve precision positioning in large-motion deployable origami-based systems through improving accuracy and repeatability in the deployed state could enable better performance and new applications, such as optics. Precision positioning of origami-based arrays can be a challenge because of the high number of interconnected panels, large motion between stowed and deployed states, and challenge identifying volumes for precision alignment systems given the thin aspect ratio of the panels. This work introduces and tests a design for a precision coupling suitable for origami-based deployable arrays. The coupling is placed in a Z-fold mechanism and in two degree-four vertex (D4V) mechanisms, which are fundamental components of many origami-based arrays. The alignment and repeatability of these mechanisms are tested using a 3D scanner and the best-fit plane. The Z-fold mechanism has a repeatability of about 0.50° and 0.50 mm, and the D4V mechanisms have a repeatability of about 0.15° and 0.50 mm. These values show potential for certain optical applications and demonstrate that precision couplings can be implemented in origami patterns to increase performance of origami-based arrays.

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来源期刊
Mechanism and Machine Theory
Mechanism and Machine Theory 工程技术-工程:机械
CiteScore
9.90
自引率
23.10%
发文量
450
审稿时长
20 days
期刊介绍: Mechanism and Machine Theory provides a medium of communication between engineers and scientists engaged in research and development within the fields of knowledge embraced by IFToMM, the International Federation for the Promotion of Mechanism and Machine Science, therefore affiliated with IFToMM as its official research journal. The main topics are: Design Theory and Methodology; Haptics and Human-Machine-Interfaces; Robotics, Mechatronics and Micro-Machines; Mechanisms, Mechanical Transmissions and Machines; Kinematics, Dynamics, and Control of Mechanical Systems; Applications to Bioengineering and Molecular Chemistry
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