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Displacement amplification using a compliant mechanism for vibration energy harvesting / Moataz Mohsen Ahmed Elsisy ; Supervised Chahinaz A. R. Saleh , Yasser H. Anis , Mustafa H. Arafa

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Moataz Mohsen Ahmed Elsisy , 2016Description: 61 P. : facsimiles , plans ; 30cmOther title:
  • تكبير الازاحة باستخدام اَليه مطاوعة لحصد الطاقة الناتجة عن الاهتزازات [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Mechanical Design and Production Summary: A symmetric five-bar compliant mechanism is introduced to amplify the input persistent vibration for energy harvesting. Displacements in the compliant mechanism are due to deflections in its flexure hinges. The mechanism is analyzed using a pseudo-rigid-body-model and an elastic model to calculate displacement amplification ratio and stresses within hinges. Both models have been validated experimentally and numerically using a finite element model. The effects of the mechanism dimensions and hinges stiffness on displacement amplification and stresses were investigated. Experiments indicate the success of proposed mechanism in amplifying low frequency harmonic excitation inputs and harvesting of power
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Item type Current library Home library Call number Copy number Status Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.13.M.Sc.2016.Mo.D (Browse shelf(Opens below)) Not for loan 01010110071769000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.13.M.Sc.2016.Mo.D (Browse shelf(Opens below)) 71769.CD Not for loan 01020110071769000

Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Mechanical Design and Production

A symmetric five-bar compliant mechanism is introduced to amplify the input persistent vibration for energy harvesting. Displacements in the compliant mechanism are due to deflections in its flexure hinges. The mechanism is analyzed using a pseudo-rigid-body-model and an elastic model to calculate displacement amplification ratio and stresses within hinges. Both models have been validated experimentally and numerically using a finite element model. The effects of the mechanism dimensions and hinges stiffness on displacement amplification and stresses were investigated. Experiments indicate the success of proposed mechanism in amplifying low frequency harmonic excitation inputs and harvesting of power

Issued also as CD

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