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Parameter Identification for Mechanical Joints
Blekinge Institute of Technology, School of Engineering, Department of Mechanical Engineering.
2006 (English)Independent thesis Advanced level (degree of Master (One Year))Student thesis
Abstract [en]

All but the simplest physical systems contains mechanical joints. The behavior of these joints is sometimes the dominant factor in over all system behavior. The potential for occurence of microslip and macroslip normally makes the behavior of joints non-linear. Accurate modeling of joints requires a non-linear ramework. As clamping pressures are typically random ad variable, the behavior of the joints becomes random. Joint geometries are random along with other unknowns of the joints. Two different methods for measuring the energy dissipation are explained. In the experimental method, the energy dissipation of a non-linear joint is calculated from the slope of the envelope of the time response of acceleration. The simulation work is carried out by considering a smooth hysteresis model with the help of Matlab programming. Finally, the parameters are extracted for a specific non-linear system by comparing analytical and experimental results.

Place, publisher, year, edition, pages
2006. , 50 p.
Keyword [en]
Effective Damping, Frequency Response Functions, Dynamic Frequency Mobilyzer, accelerometer, Mathematical Model, MATLAB.
National Category
Signal Processing Mechanical Engineering Probability Theory and Statistics
URN: urn:nbn:se:bth-4309Local ID: diva2:831641
Physics, Chemistry, Mathematics
0736988322Available from: 2015-04-22 Created: 2006-04-03 Last updated: 2015-06-30Bibliographically approved

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Department of Mechanical Engineering
Signal ProcessingMechanical EngineeringProbability Theory and Statistics

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