Konstruiranje i karakterizacija eksperimentalnog postava za analizu sustava za aktivnu izolaciju vibracija

undergraduate thesis

• Title (english): Design and characterisation of an experimental test setup for an active vibration isolation system analysis
• Author: Ana Marija Šegon
• Mentor: Neven Alujević (mentor)
• Committee member: Zdenko Tonković (predsjednik povjerenstva)
• Committee member: Zvonimir Tomičević (član povjerenstva)
• Committee member: Neven Alujević (član povjerenstva)
• Granter: University of Zagreb; Faculty of Mechanical Engineering and Naval Architecture; Zagreb
• Defense date and country: 2021-02-25, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Mechanical Engineering; General Mechanical Engineering (Construction)

Abstract

U radu je konstruiran i karakteriziran postav za eksperimentalnu analizu sustava za aktivnu izolaciju vibracija. Konstruirani su mehanički dijelovi postava tako da budu pogodni za izradu tehnologijom 3D ispisa i to upotrebom uređaja Prusa i3 MK3S. Eksperimentalni postav konstruiran je tako da se njegov dinamički odziv može dobro aproksimirati matematičkim modelom za klasični linearni vibracijski sustav s dva stupnja slobode gibanja. To je postignuto korištenjem računalnih CAD/CAM alata za modeliranje i konstruiranje, kao i alata za analizu slobodnih vibracija mehaničkih sustava s raspodijeljenim parametrima metodom konačnih elemenata. Eksperimentalni postav je konstruiran tako da je njegov dinamički odziv dominantno određen s dvije vlastite frekvencije i dvije pripadne forme vibriranja. Nadalje, postav je osmišljen tako da se na njega mogu jednostavno učvrstiti mjerni i pogonski članovi sustava za aktivnu izolaciju vibracija: dva akcelerometra DYNAMIX model 6503 i tri elektromagnetska aktuatora H2W NCC01-04-001-1X. Konačna konstrukcija postava izrađena je tehnologijom 3D ispisa te su se na nju učvrstili pogonski i mjerni članovi. Izrađeni postav karakteriziran je mjerenjem karakterističnih prijenosnih funkcija sustava između mjernih i pogonskih članova.

Abstract (english)

This thesis is concerned with design and characterization of a setup for experimental analysis of an active isolation system. Mechanical parts of the setup are designed so that they are suitable for 3D printing technology using Prusa i3 MK3S printer. The experimental setup is designed so that its dynamic response can be well approximated by a mathematical model for a classic linear vibration system with two degrees of freedom of motion. This was achieved by using computer CAD/CAM modelling and design tools, as well as tools for analysing the free vibrations of mechanical systems with distributed parameters using the finite element method. The experimental setup is designed so that its dynamic response is predominantly determined by the two fundamental natural frequencies and the corresponding vibration modes. Furthermore, the setup is designed such that the sensors and the actuators used to apply the active vibration isolation can be easily mounted: two accelerators DYNAMIX model 6503 and three electromagnetic actuators H2W NCC01-04-001-1X. The final design construction of the setup is manufactured using the 3D printing technology and the sensor-actuator transducers are fixed to it. The setup is characterized by measuring characteristic frequency response functions of the system between the sensors and the actuators with and without the active control.

• Keywords: Vibracije; automatska vibracija; mjerenja vibracija; dinamička recipročnost
• Keywords (english): Vibration; active vibration control; vibration measurements; dynamic reciprocity
• Language: croatian
• URN:NBN: urn:nbn:hr:235:141675
• Study programme: Title: Mechanical Engineering; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka strojarstva (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka strojarstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2021-02-26 13:13:41