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Based on the structure health monitoring of civil engineering structure such as bridges, dams, high-rise building, the fiber Bragg grating sensor is used to achieve the real-time monitoring and diagnosis of structural performance, in order to discovery the damage and to evaluate the safety of structure. Fiber-optical grating sensing based on flextensional member is proposed. The measuring of pressure, strain and acceleration can be realized. The strain of camber beam belly is analysed theoretically and verified experimentally. The strain of the camber beam belly is proportional to the pressure and acceleration in the vertical direction. Its biggest advantage is small size under the same sensitivity. The transverse dimensions is limited in well and the longitudinal acceleration needs to be measured, so beam based sensor structure are not likely to be used. Under the condition of measuring longitudinal acceleration sensor structure, beam pumping are not likely to be used. This new type of flextensional member elastic sensitive structure can serve as elastic element for the design of fiber bragg grating strain, weighing and pressure, and acceleration sensor.
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Keywords:
- fiber-optical grating /
- flextensional member
[1] Dong H J, Wu J, Zhang G Y 2009 Chin. Opt. Lett. 7 1
[2] Xu K, Pan S, Wu S F, Sun W, Li Y L 2003 Acta Phys. Sin. 521190 (in Chinese) [徐凯, 潘石, 吴世法, 孙伟, 李银丽 2003 52 1190]
[3] Zhou W J, Dong X Y, Ni K, Chan C C, Shum P 2010 Sensors andActuators A 157 15
[4] Sun Q Z, Liu D M, Wang J 2007 Acta Phys. Sin. 56 5903 (inChinese) [孙琪真, 刘德明, 王健 2007 56 5903]
[5] Li H N, Ji X H, Ren L, Chen J Y, Zhu T 2011 J. Dalian Univ. Tech.51 103 (in Chinese) [李宏男, 嵇雪衡, 任亮, 陈健云, 朱彤2011 大连理工大学学报 51 103]
[6] Cavallo A, May C, Minardo A, Natalo C, Pagliarulo P, Pirozzi S2009 Sensors and Actuators A 153 180
[7] Laudati A, Mennella F, Giordano M, Altrui G D, Calisti Tassini C,Cusano A 2007 IEEE Photon. Technol. Lett. 19 1991
[8] Teng L, Feng L S, Lin H 2006 Proceedings of SPIE 6357 63574C
[9] Liu B, Niu W C, Yang Y F 2006 Chin. J. Sci. Instrum. 27 42 (inChinese) [刘波,牛文成, 杨亦飞 2006 仪器仪表学报 27 42]
[10] Chen Z B 2009 MS Thesis (Xiamen: Xiamen University) (in Chinese)[陈郑斌 2009 (硕士学位论文) (厦门: 厦门大学)]
[11] Sun L M, Yang S, Cao C G 2009 Proceedings of SPIE 7292729214-1
[12] Antunes P, Varum H, André P 2011 Measurement 44 55
[13] Zhu T, Shi C H, Rao Y J, Chiang K S 2009 Acta Phys. Sin. 586316 (in Chinese) [朱涛, 史翠华, 饶云江, 郑建成 2009 58 6316]
[14] Fan Q S, 2000 Mechanics of Materials (Beijjing: Higher EducationPress) pp45—65 (in Chinese) [范钦珊 2000 材料力学 (北京:高等教育出版社)第45--65页]
[15] Hearn E J 1977 Mechanics of Materials (London: Pergamon)p57-233
[16] Zhang J L, Yu C X, Wang K R, Zhao D X, Lin M M, Li C 2009Acta Phys. Sin. 56 3988 (in Chinese) [张锦龙, 余重秀, 王葵如, 赵德新, 林妹妹, 李成 2009 56 3988]
[17] Zhao Y 2007 Fiber Bragg Grating and Sensing Technology (Vol.1) (Beijjing: National Defense Industry Press) p71 (in Chinese)[赵勇 2007 光纤光栅及其传感技术 (北京:国防工业出版社) 第71页]
[18] Xu N 2006 MS Thesis (Harbin: Harbin University of Science andTechnology) (in Chinese) [徐宁 2006 (硕士学位论文) (哈尔滨:哈尔滨理工大学)]
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[1] Dong H J, Wu J, Zhang G Y 2009 Chin. Opt. Lett. 7 1
[2] Xu K, Pan S, Wu S F, Sun W, Li Y L 2003 Acta Phys. Sin. 521190 (in Chinese) [徐凯, 潘石, 吴世法, 孙伟, 李银丽 2003 52 1190]
[3] Zhou W J, Dong X Y, Ni K, Chan C C, Shum P 2010 Sensors andActuators A 157 15
[4] Sun Q Z, Liu D M, Wang J 2007 Acta Phys. Sin. 56 5903 (inChinese) [孙琪真, 刘德明, 王健 2007 56 5903]
[5] Li H N, Ji X H, Ren L, Chen J Y, Zhu T 2011 J. Dalian Univ. Tech.51 103 (in Chinese) [李宏男, 嵇雪衡, 任亮, 陈健云, 朱彤2011 大连理工大学学报 51 103]
[6] Cavallo A, May C, Minardo A, Natalo C, Pagliarulo P, Pirozzi S2009 Sensors and Actuators A 153 180
[7] Laudati A, Mennella F, Giordano M, Altrui G D, Calisti Tassini C,Cusano A 2007 IEEE Photon. Technol. Lett. 19 1991
[8] Teng L, Feng L S, Lin H 2006 Proceedings of SPIE 6357 63574C
[9] Liu B, Niu W C, Yang Y F 2006 Chin. J. Sci. Instrum. 27 42 (inChinese) [刘波,牛文成, 杨亦飞 2006 仪器仪表学报 27 42]
[10] Chen Z B 2009 MS Thesis (Xiamen: Xiamen University) (in Chinese)[陈郑斌 2009 (硕士学位论文) (厦门: 厦门大学)]
[11] Sun L M, Yang S, Cao C G 2009 Proceedings of SPIE 7292729214-1
[12] Antunes P, Varum H, André P 2011 Measurement 44 55
[13] Zhu T, Shi C H, Rao Y J, Chiang K S 2009 Acta Phys. Sin. 586316 (in Chinese) [朱涛, 史翠华, 饶云江, 郑建成 2009 58 6316]
[14] Fan Q S, 2000 Mechanics of Materials (Beijjing: Higher EducationPress) pp45—65 (in Chinese) [范钦珊 2000 材料力学 (北京:高等教育出版社)第45--65页]
[15] Hearn E J 1977 Mechanics of Materials (London: Pergamon)p57-233
[16] Zhang J L, Yu C X, Wang K R, Zhao D X, Lin M M, Li C 2009Acta Phys. Sin. 56 3988 (in Chinese) [张锦龙, 余重秀, 王葵如, 赵德新, 林妹妹, 李成 2009 56 3988]
[17] Zhao Y 2007 Fiber Bragg Grating and Sensing Technology (Vol.1) (Beijjing: National Defense Industry Press) p71 (in Chinese)[赵勇 2007 光纤光栅及其传感技术 (北京:国防工业出版社) 第71页]
[18] Xu N 2006 MS Thesis (Harbin: Harbin University of Science andTechnology) (in Chinese) [徐宁 2006 (硕士学位论文) (哈尔滨:哈尔滨理工大学)]
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