ACTA AERONAUTICAET ASTRONAUTICA SINICA >
A Two-step Decision Logic Based Miniaturized Impact Region Monitoring System
Received date: 2013-11-06
Revised date: 2014-01-23
Online published: 2014-02-26
Supported by
National Science Fund for Distinguished Young Scholars (51225502); National Natural Science Foundation of China(50830201); Priority Academic Program Development of Jiangsu Higher Education Institutions; Qing Lan Project
It is highly necessary to monitor impact events occurring on composite structures on line and on board. In this paper, an airborne oriented miniaturized impact region monitoring system is developed based on a two-step decision logic. First, the two-step decision logic based impact region localization method is proposed, which is realized in a field programmable gate array (FPGA) and used to record impact events online. The accuracy of impact region localization is improved by using this method. Second, a miniaturized impact region monitoring system is developed. In this system, passive filters and comparators are used to replace the analog circuit and turn the impact response signals directly into digital sequences, and an FPGA is used to replace the digital circuit, which simplifies the circuit and greatly reduces the size and weight of the impact monitoring system. The system has the following characteristics: small size, light weight, low power consumption and numerous piezoelectric transducers supported. The experimental validation results obtained on a carbon fiber composite wing box structure with many stiffeners and bolts show that the impact region monitoring system can respond to impact events and localize them accurately.
QIU Lei , QIAN Weifeng , YUAN Shenfang , MEI Hanfei . A Two-step Decision Logic Based Miniaturized Impact Region Monitoring System[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2014 , 35(9) : 2551 -2558 . DOI: 10.7527/S1000-6893.2013.0537
[1] Baker A A, Dutton S, Kelly D W. Composite materials for aircraft structures[M][R]. Reston: AIAA, 2004: 1-22.
[2] Ye L, Lu Y, Su Z Q, et al. Functionalized composite structures for new generation airframes: a review[J]. Composites Science and Technology, 2005, 65 (9): 1436-1446.
[3] Staszewski W J, Mahzan S, Traynor R. Health monitoring of aerospace composite structures-active and passive approach[J]. Composites Science and Technology, 2009, 69(11): 1678-1685.
[4] Yang N B. Composite structures for new generation large commercial jet[J]. Acta Aeronautica et Astronautica Sinica, 2008, 29(3): 596-604. (in Chinese) 杨乃宾. 新一代大型客机复合材料结构[J]. 航空学报, 2008, 29(3): 596-604.
[5] Yuan S F. Structural health monitoring[M]. Beijing: National Defence Industry Press, 2007: 205-228. (in Chinese) 袁慎芳. 结构健康监控[M]. 北京:国防工业出版社, 2007: 205-228.
[6] Seydel R, Chang F K. Impact identification of stiffened composite panels: Ⅱ implementation studies[J]. Smart Materials and Structures, 2001, 10(2): 370-379.
[7] Acellent: a structural health monitoring company[EB/OL].[2013-10-20]. http:[C]//64.105.143.179/Hardware.asp.
[8] Metis design corporation: a structural health monitoring company[EB/OL].[2013-10-20]. http:[C]//www.metisdesign.com/structural-health-monitoring-company/md7-digital.html.
[9] Qiu L, Yuan S F, Wang Q, et al. Design and experiment of PZT network-based structural health monitoring scanning system[J]. Chinese Journal of Aeronautics, 2009, 22(5): 505-512.
[10] Ciampa F, Meo M. Impact detection in anisotropic materials using a time reversal approach[J]. Structural Health Monitoring, 2012, 11(1): 43-49.
[11] Chen C, Li Y, Yuan F G. Impact source identification in finite isotropic plates using a time-reversal method: experimental study[J]. Smart Materials and Structures, 2012, 21(10): 105025.
[12] Qiu L, Yuan S F, Su Y Z, et al. Multiple source imaging and localization on composite structure based on Shannon complex wavelet and time reversal focusing[J]. Acta Aeronoutica et Astronautics Sinica, 2010, 31(12): 2417-2424.(in Chinese) 邱雷, 袁慎芳, 苏永振, 等. 基于Shannon 复数小波和时间反转聚焦的复合材料结构多源冲击成像定位方法[J]. 航空学报, 2010, 31(12): 2417-2424.
[13] Yan G, Zhou L. Impact load identification for stiffened composite structure[J]. Acta Aeronoutica et Astronautica Sinica, 2008, 29(5): 1550-1156. (in Chinese) 严刚, 周丽. 加筋复合材料结构的冲击载荷识别[J].航空学报, 2008, 29(5): 1550-1156.
[14] Markmiller J F C, Chang F K. Sensor network optimization for a passive sensing impact detection technique[J]. Structural Health Monitoring, 2010, 9(1): 25-39.
[15] Yuan S F, Liu P P, Qiu L. A miniaturized composite impact monitor and its evaluation research[J]. Sensors and Actuators A: Physical, 2012, 184: 182-192.
/
| 〈 |
|
〉 |
CJA