Essays about: "mechanical vibration thesis"

Showing result 11 - 15 of 36 essays containing the words mechanical vibration thesis.

  1. 11. Vibration analysis for condition monitoring of mechanical presses

    University essay from Lunds universitet/Industriell Produktion

    Author : Julia Runesson; [2019]
    Keywords : Vibration analysis; Predictive maintenance; Condition monitoring; Mechanical press; Press maintenance; PSD; DFT FFT; RMS; Kurtosis; Technology and Engineering;

    Abstract : In a world where the concept of just-in-time has been lifted outside of the manu-facturing world and onto the market, the increasing demand of luxury wares like cars is accompanied only by tougher industrial conditions and no room for error. Loss of productivity and decrease in efficiency can be devastating to any manufac-turing company in today’s market climate. READ MORE

  3. 12. Remote control of mechanical rat traps based on vibration and audio sensors

    University essay from Lunds universitet/Avdelningen för Biomedicinsk teknik

    Author : Denis Solak; Amin Storani; [2019]
    Keywords : Technology and Engineering;

    Abstract : The main aim with this master’s thesis was to study the possibilities of detecting an event (rat trap going off) by analyzing audio streams from a MEMS (micro-electromechanical systems) microphone or movement patterns from a MEMS accelerometer. To achieve this goal, a small, power efficient and cost efficient embedded system was built with the help of a development board, a MEMS accelerometer, a MEMS microphone and a metal box where the equipment and the rat traps were placed and positioned. READ MORE

  4. 13. Semi-active suspension seats in High speed crafts

    University essay from KTH/Marina system

    Author : Victor Ekström; [2019]
    Keywords : ;

    Abstract : The working environment of a high-speed-craft (HSC) can be uncomfortable and hazardous for the crew and passengers on board. This due to the repeated exposure to high levels of vibration and shocks, that can lead to reduced performance and severe injuries to the back and neck. READ MORE

  5. 14. Vibration Testing of Short Fibre Reinforced Polymer Composites

    University essay from KTH/Lättkonstruktioner

    Author : Ben Morrissey; [2019]
    Keywords : ;

    Abstract : Applications of short fibre reinforced polymer composites (SFRPCs) have been rapidly increasing and most of the components made of these materials are subjected to cyclic loading. In automotive applications, “under the hood” is the harshest environmental condition for plastic-based materials with temperatures ranging from -40°C to 120°C. READ MORE

  6. 15. Spatial vibration measurements : operating deflection analysis on the example of a plate compactor

    University essay from Linnéuniversitetet/Institutionen för maskinteknik (MT)

    Author : Adrian Potarowicz; Seyed Mazdak Hosseini Moghadam; [2018]
    Keywords : Reversible Compactor; Mechanical Vibration; Signal Processing; Power Spectrum estimator; Power Spectral Density estimator; Operating Deflection Shape;

    Abstract : The operating motion of a ground compactor uses high power vibrations to improve mechanical properties of a compacted ground. This motion gives a good base for the vibration analysis with an aid of Signal Processing. In this thesis, the motion of a bottom plate in a compactor is of the main interest. READ MORE