Volume 6 | Issue 2 |

 Abstract

The heat generated in CVT during high load conditions is huge and leads to high thermal loads. Particularly, rubber belt suffers from high temperature peaks and their life span reduces significantly. Thus, expansion of belt due to heating results in loss of transmission efficiency and less durability of CVT parts. Thermal analysis had been carried out in the earlier researches which calculate the temperature of the belt and the pulley. During running condition, CVT temperature may exceed 150 ?C which then reduces lifespan of the rubber belt. Thus, sufficient cooling must be provided to CVT. Being a delicate task for open CVT system, it becomes even worse for enclosed CVT system. But enclosing of CVT is required in order to protect the system from dust, mud and water to avoid belt slipping. Computational fluid dynamics (CFD) approach is used to analyze the temperature distribution of pulley and belt. The problem is being solved using steady-state method since transient approach is not feasible. Transient simulation increases the computational time as well as cost. In our work, our focus is on increasing the life span of belt by maintaining the belt temperature at or below 150 ?C. Proper analysis were carried out to study the flow behavior of the air inside of CVT casing. Thus our aim is to design a closed CVT casing to increase the flowrate of air for cooling the belt as well as pulleys.

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 Keywords

CVT; Thermal Analysis; StarCCM+; Al MMC; Fluoroinert

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 Abstract

Maximum power point tracking systems system are designed to extract the maximum possible power from the PV module using sun tracking and maximum power point tracking (MPPT) algorithms. In sun tracking technique PV panel is oriented according to sun within a day to generation of maximum power from a PV panel. MPPT algorithms are utilized to exploit the efficiency of solar generators and shrink the photovoltaic array cost by decreasing the number of photovoltaic panels essential to attain the chosen solar output power. To maximize the increase in the production of electricity the hardware implementation using photovoltaic (PV) systems, implementation of maximum power point tracking control of PV system using an incremental conductance algorithm, sun tracking technique and monitoring software for monitoring the performance of Photovoltaic system is presented in this work.

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 Keywords

Maximum power point tracking (MPPT), Perturbation and observation (P & O), and Incremental conductance (InC).

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 Abstract

Deep learning is a set of learning methods attempting to model data with complex architectures combining different non-linear transformations. The elementary bricks of deep learning are the neural networks that are combined to form the deep neural networks. Deep learning allows computational models that are composed of multiple processing layers to learn representations of data with multiple levels of abstraction. These methods have dramatically improved the state-of-the-art in speech recognition, visual object recognition, object detection and many other domains.

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 Keywords

Deep learning, Unsupervised Pretraining, Recurrent Neural Network, Recursive Neural Network, Convolution Neural Network

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 Abstract

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photo voltaic, embedded C, motor, 8051 micro controller

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 Abstract

Two prominent Future Communication Infrastructure (FCI) applicants that were anticipated recently due to speedy rise in the air traffic volume were the 1-2 GHz band aeronautical frameworks L-DACS1 and L-DACS2 for Air-to-Ground (AG) communication with the most suitable approach being selected as L-DACS1. A filter bank multicarrier (FBMC) based communication systems is been proposed and also its advantages over LDACS systems has been shown in this work. Spectral density of power, Signal to interference rate, and BER execution are the 3 parameters that are used to measure against all future aeronautical communication systems. In the existence of distance measuring equipment (DME) that produces the original obstructing signals, it could be seen that FBMC produces enhanced working when compared with the LDACS proposals. Simulation results show that the presence of well-localized subcarrier prototype filters in the Filter bank multicarrier practically minimizes the out-of-band power and also the obstruction from DME can be reduced. Eliminating CP, postfix and windowing method employed in LDACS and also shortening the number of guard band subcarriers in FBMC could enhance the throughput and spectral efficiency. Thus proving FBMC based communication framework could be an attractive applicant for the imminent air to ground communication entity.

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 Keywords

Bit error rate (BER), Distance measuring equipment (DME), Filter bank multicarrier (FBMC), Future communication infrastructure (FCI), L-band digital aeronautical communication systems (LDACS), Power spectral density (PSD, Signal to interference ratio (SIR).

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 Abstract

Brain tumor detection in image processing in MRI images. The method of brain tumor segmentation is the separation of tumor area from Brain Magnetic Resonance (MR) images. There are number of methods already exist for segmentation of brain tumor efficiently. Brain tumor is an mass of tissue in which some cells grow abnormally. The growth of a tumor takes up space within the skull and interferes with normal brain activity. So detection of the tumor is very important in earlier stages. Various techniques were developed for detection of tumor in brain. the brain tumors are detected easily from brain MR image using region based approach but required level of accuracy, abnormalities classification is not predictable. The segmentation of brain tumor consists of many stages. Manually segmenting the tumor from brain MR images is very time consuming hence there exist many challenges in manual segmentation. In this research paper brain tumor detection is implemented by use of c means clustering and also the tumor area is calculated

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MRI Image, Brain Tumor, C-mean, Segmentation.

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 Abstract

Design of vedic multiplier based on fault coverage is proposed. The multiplier is design for 64 bit. The multiplier is design using Urdhava Tiryakbhyam method. In these proposed design fault detection is proposed. The circuit behaviour is check by designing build in self test circuit. The circuit covers all 64 bit fault coverage, which means the circuit shows the status of a multiplier whether it provides correct or incorrect output. The circuit is tested on various input combinations. Those combinations are provided by LFSR. The proposed Vedic multiplier design is tested. The circuit is ready very efficient which can be tested for various multiplier. The ALU is the heart of any processor or the any complex system. To increase the speed of any system, it is required to increase the speed of ALU, but with low power consumption and for that portable life is required .Vedic multiplier gives faster processing speed in terms of array multiplier. VLSI designing techniques are the source to reengineering any digital electronics circuitry. In this paper a low power 64 bit ALU is designed in VHDL.

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 Keywords

Vedic multiplier,Urdhva Tiryakbhyam method, Vedic Mathematics ,64 bit multiplier ,Vedic Mathematics.

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 Abstract

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Audio inpainting , Audio watermarking, Echo Hiding, Cepstrum, Orthogonal Matching Pursuit Algorithm,HAS

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 Abstract

The increasing of a telecommunication network and the huge number of there subscriber has made mobile phone as the important medium for communication. Switching mobile phone brand and updating one with the latest technology in the mobile brand has been on the increasing trend as well. Mobile brand preference could be related to various factors like age group, gender, and price of a phone, family monthly income, mobile usage purpose, brand attributes and many more. This descriptive study is based on purposive sampling through structured questionnaire from the 100 respondent only from Nashik and Malegaon. All respondent mention that they are choice of model majorly depends upon communication & receiving email and SMS service provider. Youth use their handset phones only for 1-2 years because they get attracted to the latest version of mobile phone & new facilities, image & quality. MI and iPhone are the most favorable brand. MI provides good facilities in low cost (Rs.10001-20000) & iPhone is preferred by those who insist for brand image.

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Telecommunication, Brand preference, Brand image

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Creative Commons Attribution 4.0 and The Open Definition

 Abstract

The feed water storage tanks are containers used to handle fluids which are highly toxic, compressible and which work at high pressures.A pressure vessel is a container designed to hold gases or liquids at apressure substantially different from the ambient pressure.Pressure vessels can be dangerous, and fatal accidents have occurred in the history of their development and operation.Design involves parameters such as maximum safe operating pressure and temperature,safety factor, corrosion allowance and minimum design temperature.This paper contains work done in design,analysis & CFD analysis of pressure vessels to reduce failures in the pressure vessels and study of the parameters such as material selection,operating pressure, temperature,design,analysis etc.The future scope and advancements in pressure vessel design with softwares is also discussed in this review.

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Design,Feed Water Tank,stress analysis, CFD REFERENCES

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