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Measurements, Analy...
Measurements, Analysis Techniques and Experiments in Sound and Vibration : Applied to Operational MRI Scanners and in Remote Laboratories.
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- Khan, Imran, 1978- (författare)
- Blekinge Tekniska Högskola,Institutionen för tillämpad signalbehandling,Applied Signal Processing
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- Håkansson, Lars, Professor (preses)
- Blekinge Tekniska Högskola,Institutionen för tillämpad signalbehandling
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- Claesson, Ingvar, Professor (preses)
- Blekinge Tekniska Högskola,Institutionen för tillämpad signalbehandling
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- Ström Bartunek, Josef, Dr. (preses)
- Blekinge Tekniska Högskola,Institutionen för tillämpad signalbehandling
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- R. Alves, Gustavo, Adjunct Professor (opponent)
- Polytechnic of Porto- School of Engineering (IPP-ISEP), Portugal
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(creator_code:org_t)
- ISBN 9789172953369
- Karlskrona : Blekinge Tekniska Högskola, 2017
- Engelska 251 s.
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Serie: Blekinge Institute of Technology Doctoral Dissertation Series, 1653-2090 ; 3
- Relaterad länk:
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https://bth.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- High quality noise and vibration measurements outside of a laboratory environment on real life structures and applications are not trivial. True boundary and operating conditions enforce unique challenges on the measurements. Measurements in hazardous situations such as high magnetic fields, and high temperature environments, etc., where ordinary measurement equipment and methods may not be employed, require further precautions. Post measurements objectives such as analysis, design and strategic decisions, e.g., control, rely heavily on the quality and integrity of the measurements (data).The quality of the experimental data is highly correlated with the on-field expertise. Practical or hands-on experience with measurements can be imparted to prospective students, researchers and technicians in the form of laboratory experiments involving real equipment and practical applications. However, achieving expertise in the field of sound and vibration measurements in general and their active control in particular is a time consuming and expensive process. Consequently most institutions can only afford a single setup, resulting in the compromise of the quality of expertise.In this thesis, the challenges in the field of sound and vibration measurements in high magnetic field are addressed. The analysis and measurement of vibration transferred from an operational magnetic resonance imaging (MRI) scanner to adjacent floors is taken as an example. Improvised experimental measurement methods and custom-made frequency analysis techniques are proposed in order to address the challenges and study the vibration transfer. The methods may be extended to other operational industrial machinery and hazardous environments. To encourage and develop expertise in the field of acoustic/vibration measurements and active noise control on practical test beds, remotely controlled laboratory setups are introduced. The developed laboratory setup, which is accessed and controlled via the Internet, is the first of its kind in the active noise control and acoustic measurements area. The laboratory setup can be shared and utilized 24/7 globally, thus reducing the associated costs and eliminating time restrictions.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Nyckelord
- Active Noise Control
- Remote Laboratories
- Sound and Vibration Measurements
- Vibration Analysis
- Vibration Transmission
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