Utilize este identificador para referenciar este registo: http://hdl.handle.net/10198/9831
Título: Optical techniques for defect evaluation in vehicles
Autor: Carmo, J.P.
Ribeiro, J.E.
Data: 2012
Editora: INTECH
Citação: Carmo, João Paulo; Ribeiro, J.E. (2012) - Optical techniques for defect evaluation in vehicles. In Carmo, João Paulo; Ribeiro, J.E. (eds.) New Advances in Vehicular Technology and Automotive Engineering. Intech. p.255-282. ISBN 978-953-51-0698-2
Resumo: The optical techniques are a powerful tool on situations where either the physical contact or invasive techniques for evaluation are not suitable. Vehicle environments constitute an application field for the optical techniques and are the focus of this chapter. In order to reinforce this kind of techniques, it must be clarified that the idea to manipulate the light backs to the second century before our age, when Archimedes planned to destroy enemy ships using a solar heat ray with an array of actuators to change the shape of a mirror (Bifano T., 2011). Therefore, the field of photonics is the one that offers the possibility to achieve one of the greatest realizations and applications because the light is present in all aspects of the human life and our way of living is impossible without light (Carmo J. P. et al., 2012a). Optical measurement systems are also suitable for harsh monitorization because they are non-contact and full-field techniques. This is the case of Moiré Interferometry, which is used for many optoelectronic applications as displacement measurements (Wronkowski L., 1995), evaluation of microelectronics devices deformation (Xie H. et al., 2004), optical communications (Chen L. et al., 2000), strain measurements with Fiber Bragg Grattings, FBGs, (Silva A. F. et al., 2011) and spectrography (Kong S. H. et al., 2001). In this context, it must be noted that the recent nuclear disaster in Fukushima, Japan, confirms the need of tighter security measures be done within harsh environments (which includes the automobiles) in order to increase both the safety of people and the reliability of vehicles’ parts.
URI: http://hdl.handle.net/10198/9831
ISBN: 978-953-51-0698-2
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