Determination of the maximum strains experienced by composite structures using metal coated optical fiber sensors

2013 ◽  
Vol 78 ◽  
pp. 48-55 ◽  
Author(s):  
Sang-Woo Kim ◽  
Min-Soo Jeong ◽  
In Lee ◽  
Eun-Ho Kim ◽  
Il-Bum Kwon ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Composite Structures ◽  
Optical Fiber Sensors ◽  
Fiber Sensors

Development of Smart Composite Panel with Optical Fiber Sensors

2005 ◽  
Vol 297-300 ◽  
pp. 659-664
Author(s):  
Hideaki Murayama ◽  
Kazuro Kageyama ◽  
Isamu Ohsawa ◽  
Makoto Kanai ◽  
Kiyhoshi Uzawa ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Composite Structures ◽  
Optical Fiber Sensor ◽  
Optical Fiber Sensors ◽  
Vibration Sensor ◽  
Composite Panel ◽  
Fiber Sensor ◽  
Smart Composite ◽  
Fiber Sensors ◽  
Distributed Sensors

We have developed a novel fiber-optic vibration sensors and applied commercially available strain and temperature sensors to health monitoring of composite structures. In this study, we constructed an optical fiber network integrating four types of optical fiber sensor into a carbon reinforced plastic (CFRP) panel. These four sensors were the vibration sensor developed by our laboratory, two distributed sensors based on Brillouin and Raman backscattering and Fiber Bragg Grating (FBG) sensors. By dealing the data obtained from the measurement systems corresponding to these four sensors, strain/stress and temperature distributions throughout the panel can be monitored. Vibration and elastic waves transmitting on the panel are also detected at several sensing points. Furthermore, we will be able to determine damage locations and modes by processing the wave signals. To make the panel with the optical fiber sensor network more sensitive and smarter, we are developing some techniques that can improve the performance of the sensors and can assess the structural integrity by analyzing measurement results. In this paper, the development of the first generation of our smart composite panel with the optical fiber sensors is described and the techniques making the panel more sensitive and smarter are also described.

scholarly journals IoT application for vehicles identification using the Optical Fiber Sensors and Wireless Sensor Network

2021 ◽  
Author(s):  
Hacen Khlaifi ◽  
Amira Zrelli ◽  
Tahar Ezzedine
Keyword(s):  
Optical Fiber ◽  
Surveillance System ◽  
Optical Fiber Sensors ◽  
Wireless Sensor ◽  
Political Systems ◽  
Monitoring Methods ◽  
Fiber Sensors ◽  
Bragg Fiber ◽  
And Control

Due to the renewed variation in government and political systems inside and outside countries, and with the high tariffs at borders, the latter have become an outlet for terrorism and smugglers. Therefore, each country seeks to develop its own protection system, and the technologies used in these systems vary according to the severity and the importance of the installations to be protected, it is found that some of them are expensive and unnecessary, but other have good and variable levels of efficiency. Consequently, the idea of designing a surveillance system that can monitor and control access becomes indispensable. In the same context, this work is of crucial strategic and geopolitical importance. It combines pre-existing alarm and monitoring methods and revolutionary Internet of Things (IoT) application products, of which Wireless Sensor Networks (WSN) and Optical Fiber Sensors (OFS) are part of this application. This article presents the distribution of wireless radar nodes accompanying with a Bragg fiber sensor to identify each rolling intruder incoming the zone to be monitored, from the determination of its speed, weight and wheelbase distance.

scholarly journals Determination of Potassium Concentration in Solution Using Optical Fiber Sensors

2021 ◽  
Vol 1125 (1) ◽  
pp. 012004
Author(s):  
M Budiyanto ◽  
M Yasin ◽  
Suhariningsih ◽  
Muhamad Arif Mahdiannur
Keyword(s):  
Optical Fiber ◽  
Potassium Concentration ◽  
Optical Fiber Sensors ◽  
Fiber Sensors
Sign in / Sign up

Export Citation Format

Share Document