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Estimation of the moment of inertia of usm e-uav 1/ Mohamad Haniff Junos

Estimation of the moment of inertia of usm e-uav 1_Mohamad Haniff Junos_A2_2012_NI
Tujuan kajian ini ialah untuk menentukan momen sifat pegun USM e-UAV 1 dengan menggunakan kaedah simulasi dan eksperimen. Rekabentuk UAV telah dimodelkan di dalam perisian CATIA dan sifat bahannya telah ditentukan untuk mengenalpasti berat keseluruhan UAV tersebut. Pusat gravity dan momen sifat pegun UAV tersebut telah ditentukan berdasarkan integriti rekabentuk tersebut. Eksperimen telah dijalankan dengan merekabentuk aparatus eksperimen yang mengandungi bingkai, tapak, dan gear buaian. Secara amnya, eksperimen ini ialah adaptasi dari bandul ringkas iaitu jasad tegar berputar pada paksi tertentu. Apparatus ini telah direka bentuk bagi menampung berat beban melebihi 20kg disamping ukuran yang bersesuaian dengan eksperimen. Tiga jenis eksperimen telah dijalankan iaitu salah satu daripadanya ialah untuk menentukan pusat gravity pada paksi Z dan selebihnya untuk mencari momen sifat pegun UAV tersebut. Eksperimen bandul majmuk dikhaskan untuk mencari sifat pegun pada paksi X dan Y yang berputar pada paksi mendatar. Untuk mencari momen sifat pegun pada paksi Z, bandul kilas bifilar telah digunakan dimana ianya berputar secara menegak melintasi pusat graviti UAV tersebut. Kedua-dua keputusan telah disahkan berdasarkan objektif projek ini. Projek ini dijangka akan diteruskan dalam penyelidikan mengenai pergerakan sisi dan membujur USM e-UAV tersebut. ___________________________________________________________________________________ The purpose of this project is to determine the moment of inertia of the USM e-UAV 1 by means of simulation and experiment. The UAV design is modeled inside CATIA software where the material properties are defined to identify the structural and overall weight of the UAV. The center of gravity as well as the moment of inertia of the UAV is determined corresponds to the design integrity. In order to conduct the experiment, an experimental setup is designed where it consists of frame, base and the swinging gear. Basically, this experiment is the adaptation of simple pendulum where the rigid body is rotating at specified axis. The setup is design to sustain load of more than 20kg with appropriate dimension to fulfill the requirement of the experiment. Three different experiments have been carried out where one of them is to find the center of gravity along Z-axis while the rest is to find the moment of inertia of the UAV. Compound pendulum experiment is specified to determine the inertial properties about X and Y axis where it rotate around horizontal axis. For determination of moment of inertia about Z-axis, bifilar torsion pendulum is used where point of rotation lie vertically which pass through the center of gravity of the UAV. Both results are verified in relation to the objectives of the project. This project serves a stepping stone for future research on the lateral and longitudinal motion of the USM e-UAV.
Contributor(s):
Mohamad Haniff Junos - Author
Primary Item Type:
Final Year Project
Language:
English
Subject Keywords:
inertia ; swinging gear ; bifilar torsion pendulum
First presented to the public:
6/1/2012
Original Publication Date:
8/6/2020
Previously Published By:
Universiti Sains Malaysia
Place Of Publication:
School of Aerospace Engineering
Citation:
Extents:
Number of Pages - 67
License Grantor / Date Granted:
  / ( View License )
Date Deposited
2020-08-06 16:29:40.701
Submitter:
Nor Hayati Ismail

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Estimation of the moment of inertia of usm e-uav 1/ Mohamad Haniff Junos1 2020-08-06 16:29:40.701