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Failure analysis in adhesively bonded composite joints
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index.pdf
Date
2019
Author
Atay, Reyhan Deniz
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this study, swing up and stabilization of on/off type of cold gas thruster driven inverted pendulum is accomplished. First, pulse width modulator (PWM) design method is generated to obtain quasi-linear thrust output from on/off type of thruster. Than, single axis angle controller is designed. Designed angle controller and PWM scheme are tested and verified on single axis angle control test setup. Finally, an other freedom is attached to single axis test setup and rotary inverted pendulum (Furuta Pendulum) is obtained. By this way inherently unstable, under-actuated and on/off driven system is obtained. For swing up motion, energy method is applied. Balancing of the pendulum is achieved by observer based state feedback controller under small angle assumption and quasi-linear output from PWM driven thrusters.
Subject Keywords
Adhesive joints.
,
Adhesive Bonding
,
Single Lap Joint
,
Finite Element Model
,
Composite Structures
,
Cohesive Zone Model.
URI
http://etd.lib.metu.edu.tr/upload/12624541/index.pdf
https://hdl.handle.net/11511/44580
Collections
Graduate School of Natural and Applied Sciences, Thesis
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R. D. Atay, “Failure analysis in adhesively bonded composite joints,” Thesis (M.S.) -- Graduate School of Natural and Applied Sciences. Mechanical Engineering., Middle East Technical University, 2019.
