Synthesis Of A Shape-Changing Mechanism Using Computer-Aided Engineering

The research and development of shape-changing technologies continue to grow since it is predicted to revolutionize current technologies. Even today, shape-change technologies have been used in many applications, from large structures such as aircraft wings and to everyday use objects such as toys....

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Main Author:	Mohd Zin, Adinda Hadirah
Format:	Thesis
Language:	English English
Published:	2020
Subjects:	T Technology (General) TS Manufactures
Online Access:	http://eprints.utem.edu.my/id/eprint/25567/1/Synthesis%20Of%20A%20Shape-Changing%20Mechanism%20Using%20Computer-Aided%20Engineering.pdf http://eprints.utem.edu.my/id/eprint/25567/2/Synthesis%20Of%20A%20Shape-Changing%20Mechanism%20Using%20Computer-Aided%20Engineering.pdf
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id	my-utem-ep.25567
record_format	uketd_dc
institution	Universiti Teknikal Malaysia Melaka
collection	UTeM Repository
language	English English
advisor	Shamsudin, Shamsul Anuar
topic	T Technology (General) TS Manufactures
spellingShingle	T Technology (General) TS Manufactures Mohd Zin, Adinda Hadirah Synthesis Of A Shape-Changing Mechanism Using Computer-Aided Engineering
description	The research and development of shape-changing technologies continue to grow since it is predicted to revolutionize current technologies. Even today, shape-change technologies have been used in many applications, from large structures such as aircraft wings and to everyday use objects such as toys. Many studies were done on the shape-change materials, the objective is mainly to alter the microstructure of the material so it shape-change when targeted properties (temperature, pressure and etc.) change. Shape-change ability can also be obtained by manipulating the mechanisms. With shape-change technology, it is believed that the overall cost can be reduced then able to preserve the earth wellbeing. This project is to propose a shape-changing mechanism design in an aircraft wing by using actual wing profiles and shape-change coordinate from previous study and analyze the end transformation result. The data obtained is in form of coordinates, is then transferred into a CAD software which is Inventor to begin with CAD modelling and created a solid wing profile with 5 mm thickness and I 0 mm wide. From there, the shape-change mechanisms are designed for the CAD wing model. The design objective is to transform E420 wing shape to E850 wing shape. To hold the links together, a connector is designed as a new part. To realize it in an aircraft wing, two design approaches are proposed which are flexural hinges and revolute joints. The comparison of the two design approaches had shown that the flexural hinges suited the best for shape-change purposes, but it will require thorough studies on mathematics, thus, revolute joints design approach is selected for the transformation. It is suggested to do a proper research on flexural hinges especially in obtaining the correct diameter of sectioning. Next, the transformation had been done by manually adjusting the movement in model assemblies due to unsuccessful slider mating in Inventor software for tangential surface. It is suggested to do motion analysis using other software which is more advance in simulation. From the transformation, it was observed that the transformation from E420 to E850 is achievable but was not aligned accordingly to the 2D image canvas and has a total of 19 interferences equals to 6.59e-7 m3 volume. The transformation was then done separately between the upper and the lower part assemblies and both were able to transform accordingly. From this, it was identified that, the problem is due to the mismatching between the data used. Next, the wing weight is evaluated in its full wingspan of 1.74 m and 0.2 m chord. The weight calculated is 86.06 N for one wing. For a pair of revolute joints wing design, it only consumes 34% total weight of a 500 N UAV. Finally, the DOF calculated for this design is I , in which it can achieve the required positions with use of one actuator.
format	Thesis
qualification_name	Master of Philosophy (M.Phil.)
qualification_level	Master's degree
author	Mohd Zin, Adinda Hadirah
author_facet	Mohd Zin, Adinda Hadirah
author_sort	Mohd Zin, Adinda Hadirah
title	Synthesis Of A Shape-Changing Mechanism Using Computer-Aided Engineering
title_short	Synthesis Of A Shape-Changing Mechanism Using Computer-Aided Engineering
title_full	Synthesis Of A Shape-Changing Mechanism Using Computer-Aided Engineering
title_fullStr	Synthesis Of A Shape-Changing Mechanism Using Computer-Aided Engineering
title_full_unstemmed	Synthesis Of A Shape-Changing Mechanism Using Computer-Aided Engineering
title_sort	synthesis of a shape-changing mechanism using computer-aided engineering
granting_institution	Universiti Teknikal Malaysia Melaka
granting_department	Faculty Of Mechanical Engineering
publishDate	2020
url	http://eprints.utem.edu.my/id/eprint/25567/1/Synthesis%20Of%20A%20Shape-Changing%20Mechanism%20Using%20Computer-Aided%20Engineering.pdf http://eprints.utem.edu.my/id/eprint/25567/2/Synthesis%20Of%20A%20Shape-Changing%20Mechanism%20Using%20Computer-Aided%20Engineering.pdf
_version_	1747834140764405760
spelling	my-utem-ep.255672022-01-06T13:02:35Z Synthesis Of A Shape-Changing Mechanism Using Computer-Aided Engineering 2020 Mohd Zin, Adinda Hadirah T Technology (General) TS Manufactures The research and development of shape-changing technologies continue to grow since it is predicted to revolutionize current technologies. Even today, shape-change technologies have been used in many applications, from large structures such as aircraft wings and to everyday use objects such as toys. Many studies were done on the shape-change materials, the objective is mainly to alter the microstructure of the material so it shape-change when targeted properties (temperature, pressure and etc.) change. Shape-change ability can also be obtained by manipulating the mechanisms. With shape-change technology, it is believed that the overall cost can be reduced then able to preserve the earth wellbeing. This project is to propose a shape-changing mechanism design in an aircraft wing by using actual wing profiles and shape-change coordinate from previous study and analyze the end transformation result. The data obtained is in form of coordinates, is then transferred into a CAD software which is Inventor to begin with CAD modelling and created a solid wing profile with 5 mm thickness and I 0 mm wide. From there, the shape-change mechanisms are designed for the CAD wing model. The design objective is to transform E420 wing shape to E850 wing shape. To hold the links together, a connector is designed as a new part. To realize it in an aircraft wing, two design approaches are proposed which are flexural hinges and revolute joints. The comparison of the two design approaches had shown that the flexural hinges suited the best for shape-change purposes, but it will require thorough studies on mathematics, thus, revolute joints design approach is selected for the transformation. It is suggested to do a proper research on flexural hinges especially in obtaining the correct diameter of sectioning. Next, the transformation had been done by manually adjusting the movement in model assemblies due to unsuccessful slider mating in Inventor software for tangential surface. It is suggested to do motion analysis using other software which is more advance in simulation. From the transformation, it was observed that the transformation from E420 to E850 is achievable but was not aligned accordingly to the 2D image canvas and has a total of 19 interferences equals to 6.59e-7 m3 volume. The transformation was then done separately between the upper and the lower part assemblies and both were able to transform accordingly. From this, it was identified that, the problem is due to the mismatching between the data used. Next, the wing weight is evaluated in its full wingspan of 1.74 m and 0.2 m chord. The weight calculated is 86.06 N for one wing. For a pair of revolute joints wing design, it only consumes 34% total weight of a 500 N UAV. Finally, the DOF calculated for this design is I , in which it can achieve the required positions with use of one actuator. 2020 Thesis http://eprints.utem.edu.my/id/eprint/25567/ http://eprints.utem.edu.my/id/eprint/25567/1/Synthesis%20Of%20A%20Shape-Changing%20Mechanism%20Using%20Computer-Aided%20Engineering.pdf text en public http://eprints.utem.edu.my/id/eprint/25567/2/Synthesis%20Of%20A%20Shape-Changing%20Mechanism%20Using%20Computer-Aided%20Engineering.pdf text en validuser https://plh.utem.edu.my/cgi-bin/koha/opac-detail.pl?biblionumber=118370 mphil masters Universiti Teknikal Malaysia Melaka Faculty Of Mechanical Engineering Shamsudin, Shamsul Anuar 1. S. Barbarino, 0. Bilgen, R.M. Aljaj, M.I. Friswell. D.J. Inman, 2011. A review of morphing aircraft. Journal of Intelligent Material Svstems and Structures, 22(9), pp.823-877. 2. 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Synthesis Of A Shape-Changing Mechanism Using Computer-Aided Engineering

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