Development of Planar, Shape-changing Rigid Body Segmentation Process for General Design Profiles

Authors

  • Dr. Shamsul Anuar Shamsudin Universiti Teknikal Malaysia Melaka
  • Zairulazha Zainal Universiti Teknikal Malaysia Melaka
  • Mohd Nizam Sudin Universiti Teknikal Malaysia Melaka
  • Huthaifa Ahmed Al-Issa Al-Balqa' Applied University

DOI:

https://doi.org/10.2022/jmet.v12i1.5910

Abstract

This work describes the early segmentation results in the progress of a mechanism design process to produce simple planar machines that could approximate a shape change defined by a set of curves with significant differences in arc length.  The design profiles vary from one another by a combination of rigid-body displacement and shape change that includes significant differences in arc length. Where previous rigid-body shape-change work focused on mechanisms composed of rigid links and revolute joints to approximate curves of roughly equal arc length, this work introduces prismatic joints into the mechanisms in order to produce the different desired arc lengths.  The first step is to convert the design profiles into piecewise linear curves, referred to as target profiles. The piecewise linear representation that proves most useful has points identified along the curve at roughly equal distances. The second step is to compare segments of the target profiles seeking those that are best approximated by a common rigid body and those that share curvature similarities allowing for the introduction of a prismatic joint. In the end, a chain of rigid bodies that are joined by pin and prismatic joints can be produced. The chain can closely estimate the shape of a set of design profiles.

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Author Biographies

Dr. Shamsul Anuar Shamsudin, Universiti Teknikal Malaysia Melaka

I studied Mechanical Engineering in MUCIA program at Indiana University at Shah Alam 1992-1994 and completed it at Valparaiso University in 1997. I completed my master's at Universiti Teknologi Malaysia in 2004 before undertaking PhD work from 2008 to 2013.

Zairulazha Zainal, Universiti Teknikal Malaysia Melaka

He received degrees in Mechanical Systems Engineering and Electrical Engineering from Kitakyushu, Japan and UTM, Malaysia.

Mohd Nizam Sudin, Universiti Teknikal Malaysia Melaka

He received degrees in Mechanical Engineering from UKM and UPM in Malaysia as well as doctoral degree from DTU in Denmark.

Huthaifa Ahmed Al-Issa, Al-Balqa' Applied University

Dr. Al-Issa studied engineering in Turkey and also briefly in Malaysia. He eraned a PhD from The University of Dayton, USA in 2012.

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Published

2020-06-29

Issue

Vol. 12 No. 1

Section

Others

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