DAMAGE IDENTIFICATION OF SMART COMPOSITE STRUCTURES USlNG PlEZOELECTRlC ACTUATORS AND SENSORS
使用压电执行器和传感器进行智能复合结构的损伤识别
基本信息
- 批准号:13650073
- 负责人:
- 金额:$ 1.86万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2001
- 资助国家:日本
- 起止时间:2001 至 2002
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
In the present research, we have developed a damage identification method based on the dynamic responses for smart composite structures with piezoelectric actuators and sensors, in order to improve the reliability and safety of composite structures. The conclusions obtained by the present study are summarized as follows:1. We proposed a method to identity the location and extent of dela, ination in smart composite structures wih plezoelectric sensors, using the dynamic responses in the time domain or frequency domain. (Paper No.1)2. We proposed a vibration control method of smart composite structures using piezoelectric actuators and sensors in order to avoid the damage growth. (Paper No.2)3. In the laminated composite structures with a delamination, we clarified the effect of a delamination on the natural vibration frequencies and vibration modes, and also proposed the damage identification method using piezoelectric sensors. (Paper No.3)4. Main damage modes in composite structures under impact force are matrix cracking and delemination. We analyzed damage growth using the finite element analysis, nad developed an analytical method to predict the complicated damage extension in composite structures. (Paper No.4 & 5)5. We developed a construction method of modal sensors to pick up the specified modal displacement. Using the optimal placement of several sensors, the effective model sensors was constructed. (Paper No.6)
为了提高复合材料结构的可靠性和安全性,提出了一种基于动力响应的复合材料智能结构损伤识别方法。本研究得到的结论总结如下:1。本文提出了一种利用时域或频域的动态响应来识别智能复合材料结构中变形的位置和程度的方法。(论文1)2。为了避免损伤的增长,提出了一种基于压电致动器和传感器的智能复合材料结构振动控制方法。(2) 3。在有分层的层合复合材料结构中,明确了分层对结构固有振动频率和振型的影响,并提出了基于压电传感器的损伤识别方法。(3号)4。复合材料结构在冲击作用下的主要损伤形式是基体开裂和脱粒。采用有限元分析方法对复合材料结构的损伤扩展进行了分析,提出了一种预测复合材料结构复杂损伤扩展的分析方法。(第4、5号论文)我们开发了一种模态传感器的构造方法来获取指定的模态位移。通过对多个传感器的优化布置,构建了有效的传感器模型。(6号)
项目成果
期刊论文数量(24)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
H.Fukunaga: "Structural Damage Identification Using Piezoelectric Sensors"Int. J. Solids and Structures. 39. 393-418 (2002)
H.Fukunaga:“使用压电传感器进行结构损伤识别”Int。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
H.Fukunaga: "Structural Damage Identification Using Piezoelectric Sensors"Int.J.Solids and Structures. 39. 393-418 (2002)
H.Fukunaga:“使用压电传感器进行结构损伤识别”Int.J.Solids and Structures。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
N.Hu: "Vibration Analysis of Delaminated Composite Beams and Plates Using A Higher-order Finite Element"Int.J. Mechanical Sciences. 44. 1479-1503 (2002)
N.Hu:“使用高阶有限元对分层复合梁和板进行振动分析”Int.J。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
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- 通讯作者:
N. Hu: "Vibration Analysis of Delaminated Composite Plates Using A Higher-order Finite Element"Int. J. Mechanical Sciences. 44. 1479-1503 (2002)
N. Hu:“使用高阶有限元对分层复合板进行振动分析”Int。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
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H.Fukunaga: "FEM Modeling of Adaptive Composite Structures Using a Reduced Higher-Order Plate Theory via Penalty Functions"Int. J. Solid and Structures. 38. 8735-8752 (2001)
H.Fukunaga:“通过惩罚函数使用简化的高阶板理论对自适应复合结构进行 FEM 建模”。
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{{ truncateString('FUKUNAGA Hisao', 18)}}的其他基金
Development of Monitoring Method of Foreign Object Impact and Impact Damages in CFRP Structures Using Radiated Sounds
利用辐射声监测碳纤维复合材料结构中的异物冲击和冲击损伤方法的开发
- 批准号:
24656513 - 财政年份:2012
- 资助金额:
$ 1.86万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Smart Sensing and Actuation of CFRP structures with Piezoelectric Materials
采用压电材料的 CFRP 结构的智能传感和驱动
- 批准号:
23360376 - 财政年份:2011
- 资助金额:
$ 1.86万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Non-powered structural health monitoring using piezoelectric sensor and energy harvesting
使用压电传感器和能量收集进行无动力结构健康监测
- 批准号:
22656194 - 财政年份:2010
- 资助金额:
$ 1.86万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Real-time Damage Monitoring of Aerospace CFRP Structures Based on Exper imental Impact Force Identification
基于实验冲击力识别的航空航天CFRP结构损伤实时监测
- 批准号:
20360379 - 财政年份:2008
- 资助金额:
$ 1.86万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
IMPACT DAMAGE MONITORING OF AIRCRAFT COMPOSITE STRUCTURES WITH PIEZOELECTRIC SENSORS
使用压电传感器监测飞机复合结构的冲击损伤
- 批准号:
17360404 - 财政年份:2005
- 资助金额:
$ 1.86万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
REAL-TIME HEALTH MONITORING OF COMPOSITE STRUCTURES BASED ON ACTIVE SENSING
基于主动传感的复合结构实时健康监测
- 批准号:
15360045 - 财政年份:2003
- 资助金额:
$ 1.86万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
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