Zobrazeno 1 - 10
of 26
pro vyhledávání: '"R. L. N. Sai Prasad"'
Autor:
Parne Saidi Reddy, R. L. N. Sai Prasad, Dipankar Sengupta, Putha Kishore, M. Sai Shankar, K. S. Narayana, U. K. Tiwari
Publikováno v:
IEEE Photonics Journal, Vol 4, Iss 3, Pp 1035-1041 (2012)
This paper presents a novel structure based on bimetallic strips for enhancing temperature sensitivity of fiber Bragg grating (FBG) sensors. Two different types of sensor heads have been designed for this implementation. The first sensor head consist
Externí odkaz:
https://doaj.org/article/ad78ea8376f04d56a55da92599f652f4
Autor:
P. Saidi Reddy, R. L. N. Sai Prasad, D. Sen Gupta, M. Sai Shankar, K. Srimannarayana, P. Ravinder Reddy
Publikováno v:
Photonic Sensors, Vol 13, Iss S1, Pp 1-1 (2012)
Externí odkaz:
https://doaj.org/article/c6b96e5be9294e50af08654029665b1b
Publikováno v:
2019 24th Microoptics Conference (MOC).
A low cost structural health monitoring method based on fiber Bragg grating sensors is proposed. A long period grating is used as an edge filter and a trans-impedance amplifier is used for the low cost detection of strain monitoring. Proposed method
Autor:
R. L. N. Sai Prasad, Sravanthi Alamandala, Vadapalli Durga Rama Pavan, Rathish Kumar Pancharathi, Putha Kishore
Publikováno v:
Optical Fiber Technology. 61:102440
A Weigh in Motion (WIM) system is proposed, employing two fiber Bragg grating (FBG) sensors to evaluate the strain at a point on a prototype bridge due to a moving vehicle. The FBG's are fixed at two different longitudinal girders of bridge along the
Publikováno v:
Optical Fiber Technology. 59:102328
A low-cost real time load measurement system employing fiber Bragg grating as a strain sensor and long-period grating as an edge filter for structural health monitoring is being reported in the present work. The shift in Bragg wavelength due to appli
Publikováno v:
2018 3rd International Conference on Microwave and Photonics (ICMAP).
In this paper, an FBG based Weigh-in-Motion (WIM) sensing system is designed by using two FBGs, each one attached at the central span portion of the girder between two piers of a bridge model. The FBG's are pasted at an inclination of 45o. Experiment
Publikováno v:
Journal of Optics. 44:346-352
Crack mouth opening displacement (CMOD) is one of the important parameters for characterizing the fracture properties in concrete. Amongst various optical fiber senors, Fiber Bragg gratings are (FBG) being used for structural health monitoring in the
Publikováno v:
i-manager's Journal on Civil Engineering. 4:13-19
Publikováno v:
Microwave and Optical Technology Letters. 54:1679-1683
Pressure and temperature are two important parameters in hydrostatic pressure based liquid level sensing. In this study, we propose a liquid level sensor based on hydrostatic pressure variation sensed by fiber Bragg grating (FBG1) attached to a bourd
Publikováno v:
2015 Workshop on Recent Advances in Photonics (WRAP).
The paper presents theoretical analysis and experimental verification of a fiber Bragggrating based sensor for measurement of DC electric fields using a PZT sensor. This improves the physical understanding of field distribution in air medium around h