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Lecturer(s)
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Pechoušek Jiří, doc. RNDr. Ph.D.
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Course content
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1. Vibration measurement, measurement principles, utilization of DAQ and DSP systems, simple instruments / handle, complex / laboratory systems. Sources of vibration - frequency ranges. 2. Contact methods for vibration measurement, sensors for vibrometry, accelerometers, principles, piezoelectric vibrometry, resonance characteristics. 3. Noncontacts methods of vibrometry, laser utilization in vibrometry, principles of interferometric and reflective methods, laser Doppler interferometry. Range of mechanical vibration amplitudes, frequency characteristics. 4. Utilization of piezoelectric elements. 5. Vibration characterization of linear motors (i.e. in Mössbauer spectrometer). 6. Sources of noise vibration, elimination of mechanical noise, noise reduction, utilization of antivibration tables (pneumatic, piezoelectric active elimination).
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Learning activities and teaching methods
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Laboratory Work
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Learning outcomes
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Vibration measurement in the wide range of frequency, contact and noncontact methods, utilization of accelerometers, optical methods, interferometric methods.
Knowledge from the field of instrumental physics - measurement principles, sensors, sensitive parts, and actuators. Mechanical quantities measurment.
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Prerequisites
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Knowledge from the field of instrumental physics - measurement principles, sensors, sensitive parts, and actuators. Mechanical quantities measurment.
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Assessment methods and criteria
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Oral exam
exam
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Recommended literature
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" Interferometry - Research and Applications in Science and Technology. InTEch.
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" Manuály k měřicím zařízením (Keyence LK-G5000)..
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" Mössbauer velocity calibrator model MVC-450 Instruction Manual. Wissel, Germany.
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Fraden, J. (2010). Handbook of Modern Sensors. Springer.
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HUSÁK, M.:. Mikrosenzory a mikroaktuatory. Academia, 2008.
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Jalili, N. (2010). Piezoelectric-Based Vibration Control: From Macro to Micro/Nano Scale Systems. Springer New York.
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Kwater, M. (1998). Laser calibration of the Mössbauer spectrometer velocity: improvements in design. Hyperfine interactions 116.
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Parali, L., Pechoušek, J. et al. A digital measurement system based on laser displacement sensor for piezoelectric ceramic discs vibration characterization. doi:10.1016/j.ijleo.2015.10.099, Optik 127.
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Player,M.A., Woodhams, F.W.D. (1976). An improved interferometric calibrator for Mössbauer spectrometer drive systems. Journal of Physics E: Scientific Instruments 9, 1148-1152.
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Yoshimura, T., Syoji Y., Wakabayashi, N. (1977). Absolute velocity control of a Mössbauer spectrometer by utilizing a laser interferometer. Journal of Physics E: Scientific Instruments 10, 829-832.
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