Infrared lock-in excitation technology based on digital power control

Tao Shengjie; Yang Zhengwei; Tian Gan; Zhang Wei

[1] Montanini R, Freni F. Non-destructive evaluation of thick glass fiber-reinforced composites by means of optically excited lock-in thermography[J]. Composites: Part A, 2012, 43: 2075-2082.

[2] Yang Zhengwei, Zhang Wei, Wu Cuiqin, et al. Infrared thermography applied to evaluate adhesive quality of missile motor shell[J]. Chinese Journal of Scientific Instrument, 2010, 31: 2781-2787. (in Chinese)

[3] Feng Licun, Tao Ning, Xu Chuan. Lock-in thermography and its application in nondestructive evaluation[J]. Infrared and Laser Engineering, 2010, 39(6): 1120-1123. (in Chinese)

[4] Yu Jiajie, Wu Naiming, Zeng Zhi, et al. FRP depth measurement based on pulsed phase thermography[J]. Infrared and Laser Engineering, 2012, 41(7): 1893-1898. (in Chinese)

[5] Wallbrink C, Wade S A, Jones R. The effect of size on the quantitative estimation of defect depth in steel structures using lock-in thermography[J]. Journal of Applied Physics, 2007, 101: 104907-104908.

[6] Meola C, Carlomagno G M, Squillace A, et al. Non-destructive control of industrial materials by means of lock-in thermography[J]. Meas Sci Technol, 2002, 13: 1583-1590.

[7] Meola C, Carlomagno G M. Impact damage in GFRP: new insights with infrared thermography[J]. Composites: Part A, 2010, 41: 1839-1847.

[8] Meola C. Nondestructive evaluation of materials with rear heating lock-in thermography[J]. IEEE Sensors J, 2007, 10: 1388-1389.

[9] Montanini R, Freni F. Nondestructive inspection of luxury yacht glass reinforced composites by means of transient thermography[C]// Proc of 10th International Conference on Quantitative Infrared Thermography (QIRT10), 2010.

[10] Liu Junyan, Wang Yang, Dai Jingmin. Research on thermal wave processing of lock-in thermography based on analyzing image sequence for NDT[J]. Infrared Phys Technol, 2010, 53: 348-357.

[11] Liu Junyan, Dai Jingmin, Wang Yang. Theory and experiment of IR lock-in thermography with image sequence processing[J]. Infrared and Laser Engineering, 2009, 38(2): 346-351. (in Chinese)

[12] Montanini R, Freni F. Non-destructive evaluation of thick glass fiber-reinforced composites by means of optically excited lock-in thermography[J]. Composites: Part A, 2012, 43: 2075-2082.

[13] Liu Junyan, Liu Xun, Wang Yang. Technology of linear frequency modulation infrared thermal-wave imaging for nondestructive testing[J]. Infrared and Laser Engineering, 2012, 41(6): 1416-1422. (in Chinese)

[14] GB 8702-2014. Controlling limits for electromagnetic environment[S]. China: Environment protection department of the People′s Republic of China, 2014. (in Chinese)