Analysis of Statistical Properties of Eye Lens Images to Detect Cataract at Earlier Stage

Cataract is clouding of eye lens cause partial or complete blindness. Aging of eye lens or injury to eye lens are major reasons to cause cataract. Smoking and use of excessive use of steroids also leads to development of cataract. Clumping of protein molecules and water molecules in natural eye lens leads of development of Cataract. Opacity at center of lens it is called as nuclear cataract while at edges of lens is called cortical cataract. The lens focuses the reflections form object at retina and causes clear vision. The opaqueness of lens at center position due to nuclear cataract causes the incorrect image formation at retina causing poor vision. Detection of same at earlier stage may help to correct vision by us of external lens. The patient may be advised treatment to prohibit the further growth of cataract. In research work presented slit lamp images with image processing techniques are used to detect the cataract at earlier stage. The wide slit illumination images are used to detect cataract. In the proposed system Hough circle detection transform is preferred to extract lens structure. The mask is created using lens center and radius extracted from Hough circle detection transform. The lens without cataract is having less mean value and uniformity compared to lens wit cataract. These statistical parameters are independent on scale and size of image. The graphical user interface is developed to automate and to make system access user friendly. 

BY A. B. Jagadale | Dr. S. S. Sonavane | Dr. D. V. Jadhav "Analysis of Statistical Properties of Eye Lens Images to Detect Cataract at Earlier Stage"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-4 , June 2019,

URL: https://www.ijtsrd.com/papers/ijtsrd24022.pdf

Paper URL: https://www.ijtsrd.com/engineering/computer-engineering/24022/analysis-of-statistical-properties-of-eye-lens-images-to-detect-cataract-at-earlier-stage/a-b-jagadale

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THD Analysis of Cascaded Multi level Inverters using different PWM Techniques

Multi level inverters MLI are used in places or industries that require very high voltage and huge current. Multi level inverter topologies have various advantages over single level converters. These advantages are like rise in output voltage, reduction in the total harmonic distortion THD , reduction in electro magnetic interference EMI generation etc. Key attribute of a multi level inverter is the reduction in the voltage stress on each power device. This reduction is due to the use of several levels available on the DC bus. The dawn of multi level inverter topologies have created requirement of various pulse width modulation techniques. In this paper authors have used PWM technique, by which the total harmonic distortion of the multi level inverter is decreased. In this we have also 

controlled the speed of the induction motor by supplying the power through a multi level inverter.

BY Shilpa Sambhi | Ankit Mittal | Aviral Srivastava | Ayan Mondal | Nitin Varshney "THD Analysis of Cascaded Multi-level Inverters using different PWM Techniques"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-4 , June 2019,

URL: https://www.ijtsrd.com/papers/ijtsrd23984.pdf

Paper URL: https://www.ijtsrd.com/engineering/electronics-and-communication-engineering/23984/thd-analysis-of-cascaded-multi-level-inverters-using-different-pwm-techniques/shilpa-sambhi

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Design, Optimization and Analysis of a Radial Active Magnetic Bearing for Vibration Control

The most important aim of the project is to make use of the active vibration control technique to reduce vibration in composite shaft system using three nodded beam element. The fiber reinforced polymer FRP composite shaft is deliberate in this paper considering it as a Timoshenko beam. Three dissimilar isotropic rigid disks are mounted on it and also supported by two active magnetic bearings at its split ends. The work involves finite element, vibration and rotor dynamic analysis of the structure. Rotary inertia effect, gyroscopic effect kinetic energy and strain energy of the shaft are derived and studied. The governing equation is obtained by applying Hamilton's principle using finite element method in which four degrees of freedom at each node is considered. Active control scheme is applied through magnetic bearings by using a controller containing low pass filter, notch filter, sensor and amplifier which controls the current and correspondingly control the stability of the whole rotor shaft system. Campbell diagram, steadiness limit speed diagram and logarithmic decrement diagram are considered to establish the system stability. Effect of different types of stacking sequences are also studied and compared 

BY Jay Krishn Yadav | H. S. Sahu "Design, Optimization and Analysis of a Radial Active Magnetic Bearing for Vibration Control"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-4 , June 2019,

URL: https://www.ijtsrd.com/papers/ijtsrd24040.pdf

Paper URL: https://www.ijtsrd.com/engineering/mechanical-engineering/24040/design-optimization-and-analysis-of-a-radial-active-magnetic-bearing-for-vibration-control/jay-krishn-yadav

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A Result Paper on Experimental Study on Stabilization of Soil Subgrade by Adding Stone Dust

There are various technique for improving strength and CBR value of soil. But by this method lot of investment require. So we improved the strength of soil by adding waste slurry of stone which contain lime. We find that when Kota Stone Dust is added in the soil then optimum moisture contains will be increased from 13.80 to 19.70 . Because in the Kota Stone Dust lime is available so lime absorb the water it moisture contain value increased. We also conclude that when Kota Stone Dust are added in the soil then maximum dry density will be decreased 1.72 to 1.593 g cc. We also conclude that by adding Kota Stone Dust are added in the soil then UCS will also increased from 0.213MPa to 0.274Mpa but after more than 4 Kota stone Dust are added then strength will not increased. 

BY Deepak Kumar | Magandeep Bishnoi "A Result Paper on Experimental Study on Stabilization of Soil Subgrade by Adding Stone Dust"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-4 , June 2019,

URL: https://www.ijtsrd.com/papers/ijtsrd24044.pdf

Paper URL: https://www.ijtsrd.com/engineering/civil-engineering/24044/a-result-paper-on-experimental-study-on-stabilization-of-soil-subgrade-by-adding-stone-dust/deepak-kumar

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A Review Paper on Experimental Study on Stabilization of Soil Subgrade by Adding Stone Dust

Subgrade is the lower most layer of the pavement construction. So soil subgrade should be capable strong to carry load coming from the upper layer. Many stabilization techniques are adopted to improve the stability and bearing capacity of soil. In this study we use Kota stone dust that is easily available in Rajasthan state as a waste form. In this stone dust we find that nearly 30 lime is available so can be used for it like as lime stabilization. By adding Kota stone bearing capacity increase of the soil.

BY Deepak Kumar | Magandeep Bishnoi "A Review Paper on Experimental Study on Stabilization of Soil Subgrade by Adding Stone Dust"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-4 , June 2019,

URL: https://www.ijtsrd.com/papers/ijtsrd24043.pdf

Paper URL: https://www.ijtsrd.com/engineering/civil-engineering/24043/a-review-paper-on-experimental-study-on-stabilization-of-soil-subgrade-by-adding-stone-dust/deepak-kumar

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Application of Taguchi Method for Optimization of Process Parameters in Drilling Operation

Taguchi Method is a statistical approach to optimize the process parameters and improve the quality of components that are manufactured. The objective of this work is to illustrate the procedure adopted in using Taguchi Method to a drilling operation. The OA , S N ratio, and the ANOVA are employed to study the performance of drilling operation. In this analysis, three factors namely speed feed and depth of cut were considered. Accordingly, a suitable orthogonal array was selected and experiments were conducted. After conducting the experiments the MRR and Surface roughness was measured and Signal to Noise ratio was calculated. With the help of graphs, optimum values were obtained and confirmation experiments were carried out. These results were compared with the results of previous work . It reports that research relating to improving performance measures, optimizing the process parameters. The published paper also discusses the future trend of research work in the same area.

BY R. Manohara | Mr. A. Harinath "Application of Taguchi Method for Optimization of Process Parameters in Drilling Operation"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-4 , June 2019,

URL: https://www.ijtsrd.com/papers/ijtsrd24003.pdf

Paper URL: https://www.ijtsrd.com/engineering/mechanical-engineering/24003/application-of-taguchi-method-for-optimization-of-process-parameters-in-drilling-operation/r-manohara

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Control and Operation of a DC Grid Based Wind Power Generation System in Micro Grid

This article presents a Microgrid consisting of different wind power stations are connected to the distribution gird. The proposed microgrid allows flexible operation of multiple parallel connected wind generators by eliminating the need for voltage and frequency synchronization. The control design for distributed generation inverters employs new model predictive control algorithm, which enables faster computational time for large power systems by optimizing the steady state and transient control problems separately. The integration of renewable sources can supplement in their generation and might compromise the reliability and stability of distribution network. As a result, energy storage devices such as batteries and ultra capacitors are required to compensate for the variability in the renewable sources. The incorporation of energy storage devices is also critical for managing peak demands and variation in load demand. In this project, micro gird consisting of multiple parallel connected wind generators and lithium ion batteries are proposed. The proposed controller for distributed generation inverter is based on newly developed model predictive control algorithm, which decomposes the control problem into steady state and transient sub problems in order to reduce the overall computation time. 

BYMr. R. S. Vyavahare | Prof A. Shravan Kumar "Control and Operation of a DC Grid-Based Wind Power Generation System in Micro Grid"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-4 , June 2019,

URL: https://www.ijtsrd.com/papers/ijtsrd24049.pdf

Paper URL: https://www.ijtsrd.com/engineering/electrical-engineering/24049/control-and-operation-of-a-dc-grid-based-wind-power-generation-system-in-micro-grid/mr-r-s-vyavahare

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