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Tuning of passive and adaptive dynamic vibration absorber using minimax optimization and automatic controllers / Mohamed Ahmed Abdelhafiz Mohamed ; Supervised Galal Ali Hassaan

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Mohamed Ahmed Abdelhafiz Mohamed , 2017Description: 71 P. : plans ; 30cmOther title:
  • ضبط ممتص الإهتزازات غير الفعال و الفعال بواسطة التصميم الأمثل (أقل-الكثير) و المتحكمات التلقائية [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Mechanical Design and Production Summary: A tuned vibration absorber (TVA) is realized using different tuning conditions. The main objective in adaptive tuned vibration absorber is maximizing the vibration attenuation of main system vibration by optimizing the tuning condition, which is used to track the excitation frequency. An adaptive pendulum absorber is built experimentally to test the vibration suppression of the vibrating table. The vibrating table is excited with an unbalanced rotor. Full control loop with two feedback signals is constructed to find out the benefit of using adaptive absorber. Finally, proportional-integral-derivative with first order filter (PIDF) and proportional-integral plus proportional-derivative with first order filter (PI-PDF) automatic controllers are used to adapt the pendulum absorber analytically using simulink in MATLAB program. The PI-PDF controller gives better performance than PIDF one specially around the resonance
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.13.M.Sc.2017.Mo.T (Browse shelf(Opens below)) Not for loan 01010110073803000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.13.M.Sc.2017.Mo.T (Browse shelf(Opens below)) 73803.CD Not for loan 01020110073803000

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

A tuned vibration absorber (TVA) is realized using different tuning conditions. The main objective in adaptive tuned vibration absorber is maximizing the vibration attenuation of main system vibration by optimizing the tuning condition, which is used to track the excitation frequency. An adaptive pendulum absorber is built experimentally to test the vibration suppression of the vibrating table. The vibrating table is excited with an unbalanced rotor. Full control loop with two feedback signals is constructed to find out the benefit of using adaptive absorber. Finally, proportional-integral-derivative with first order filter (PIDF) and proportional-integral plus proportional-derivative with first order filter (PI-PDF) automatic controllers are used to adapt the pendulum absorber analytically using simulink in MATLAB program. The PI-PDF controller gives better performance than PIDF one specially around the resonance

Issued also as CD

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