Infrared thermography for condition monitoring – A review |
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| Institution: | 1. Isfahan University of Medical Sciences, Isfahan 81745-319, Iran;2. School of Mechanical and Aerospace Engineering, College of Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore;3. Computer Science Department, University of North Dakota, ND 58202, USA;1. School of Architecture, Design and Environment, Plymouth University, Roland Levinsky Building, Drake Circus, Plymouth, Devon PL4 8AA, United Kingdom;2. Department of Architecture and Civil Engineering, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom;1. Imaging and Intelligent Systems Research Team, School of Electrical and Electronic Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia;2. Department of Electrical Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia;1. University of Central Florida, College of Engineering and Computer Science, Department of Civil, Environmental and Construction Engineering, 12800 Pegasus Drive, Suite 211, Orlando, FL 32816-2450, USA;2. Mugla Sitki Kocman University, College of Engineering, Department of Civil Engineering, Mugla 48000, Turkey;3. West Nippon Expressway Company Limited (NEXCO-West), 1015 18th St. NW Suite 504, Washington, DC 20036 USA;1. Department of Mechanical Engineering, Vishwakarma Institute of Information Technology, Pune, 411048, India;2. Department of Mechanical Engineering, Sinhgad Academy of Engineering, Pune, 411048, India;1. Ghent University - imec, IDLab, Department of Electronics and Information Systems, Sint-Pietersnieuwstraat 41, 9000 Ghent, Belgium;2. DySC Research Group, Department of Electrical Energy, Systems and Automation, Ghent University Technologiepark 914, 9052 Zwijnaarde, Belgium |
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| Abstract: | Temperature is one of the most common indicators of the structural health of equipment and components. Faulty machineries, corroded electrical connections, damaged material components, etc., can cause abnormal temperature distribution. By now, infrared thermography (IRT) has become a matured and widely accepted condition monitoring tool where the temperature is measured in real time in a non-contact manner. IRT enables early detection of equipment flaws and faulty industrial processes under operating condition thereby, reducing system down time, catastrophic breakdown and maintenance cost. Last three decades witnessed a steady growth in the use of IRT as a condition monitoring technique in civil structures, electrical installations, machineries and equipment, material deformation under various loading conditions, corrosion damages and welding processes. IRT has also found its application in nuclear, aerospace, food, paper, wood and plastic industries. With the advent of newer generations of infrared camera, IRT is becoming a more accurate, reliable and cost effective technique. This review focuses on the advances of IRT as a non-contact and non-invasive condition monitoring tool for machineries, equipment and processes. Various conditions monitoring applications are discussed in details, along with some basics of IRT, experimental procedures and data analysis techniques. Sufficient background information is also provided for the beginners and non-experts for easy understanding of the subject. |
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| Keywords: | Infrared thermography Condition monitoring Preventive maintenance Deformation monitoring Thermal anomaly Quality assurance |
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