Insulator Condition Analysis For Overhead Distribution Lines
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This document summarizes research on insulator condition analysis for overhead distribution lines. It discusses monitoring insulators to assess their condition, extracting features from insulators using wavelet transforms, and analyzing insulator condition using support vector machines. The monitoring process involves feature extraction using wavelet multi-resolution analysis and mother wavelets, followed by condition analysis to obtain condition indices from support vector machines. The research aims to improve power line efficiency and flexibility while allowing for remote insulator monitoring.
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I05745368
1. The document discusses using Markov chain models to simulate channel allocation in cognitive radio networks. It involves modeling the switching between channel states as a continuous-time Markov process.
2. The methodology involves choosing random subsets of the cognitive radio network that can select between two events. This forms a network with four possible states. A probability transition matrix is computed to model state transitions.
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upload.pptx
Starting with the introduction to the field of microfluidics and
optofluidics, the fundamentals of optofluidics and its advantages are
briefly discussed. An extensive survey of the various research works in
this field is captured under two broad categories namely, i) optofluidic
sources and devices and ii) optofluidic sensors. Recent works on
optofluidic DFBs lasers, microcavity fluidic dye laser integrated with lab-
on-a-chip systems, fluorescent liquid-core/air-cladding waveguides and
microfluidic droplet dye lasers are described. Research on compact
refractometers integrated onto planar microfluidic geometry, refractive
index sensors based in microfluidic Fabry-Perot cavity, interferometric
imaging based optofluidic pressure sensors, sensors based on novel
liquid-core optofluidic ring resonators are briefly reviewed. Touching
upon the concept of whispering gallery modes, many other applications of
optofluidic ring resonators in lasing and sensing are mentioned. Based on the available literature the doctoral research work is proposed
under the following themes:
I. Design and characterization of optofluidic sources for lab-on-a-chip
applications.
II. Design and characterization of various optofluidic resonator
geometries for biomedical sensing applications.
Specific goals are enumerated and the methodology that would be
followed is described in detail. The term “optofluidics” was created in a University Research Center
funded by the Defense Advanced Research Projects Agency (DARPA) in
2003 to define a developing research field that focuses on combining
microfluidic and optical technology. This jargon became extensively
adopted in the space of 5 years and applied as a categorical descriptor for
a large number of research directions [3]. Optofluidics refers to a class of
optical systems that are synthesized with fluids to leverage specific
advantages of these two disciplines. Fluids having unique properties that
cannot be observed in solid equivalents can be used to design novel
devices.
Presentation of Kavya Ullal in ICMCC20151033-webinar
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Insulator Condition Analysis For Overhead Distribution Lines
- 1. Insulator Condition Analysis ForInsulator Condition Analysis For Overhead Distribution LinesOverhead Distribution Lines
- 2. Overview • Introduction • Literature review • Monitoring process • Conclusion • Scope for further studies • Reference •Feature extraction of insulators •Condition analysis of insulators
- 3. Introduction Importance of insulator monitoring. Wellbeing analysis. Significance of wellbeing analysis. Steps involved.
- 5. Literature review • V. S. Murthy,Insulator Condition Analysis for Overhead Distribution Lines,2010. • V. Vapnik, S. Golowich, and A. Smola. Support vector method for function approxi-mation, regression estimation, and signal processing. In M. Mozer, M. Jordan, andT. Petsche, editors, Advances in Neural Information Processing Systems 9, pages 281–287, Cambridge, MA, 1997. MIT Press.
- 6. Monitoring Process. • Feature extraction of insulator • Condition analysis of insulators
- 8. • Done by using wavelets multi resolution analysis The wavelet transform is given by… C – Wavelet transform a – Wavelet scale f – Wavelet position φ – Wavelet function
- 11. • Impimentation of DWT through sub-band coding
- 16. Conclusion Advantages:- • Improves efficiency. • Gives flexibility. Disadvantages:- • Instalation of cameras. • Can’t account non visual defects.
- 17. Scope of further study • Usage of thermal cameras instead.
- 18. Reference • C. L. Keyes, D. Shmotkin, C. D. Ryff, “Optimizing well- being: The empirical encounter of two traditions”, J. Personality and Social Psychology, Vol. 82(6), pp. 1007- 1022, 2002. • C. C. Whitworth, A. W. G. Duller, D. I. Jones and G. K. Earp, “Aerial video inspection of power lines", Power Engineering J., Vol.15(1), pp. 25–32, 2001. • A. Jain Fundamentals of Digital Image Processing, Prentice-Hall, 1989.
- 19. Thank You……