VOLUME 7, ISSUE 4, APRIL 2019 | IJIREEICE

Implementation of RIPv1 and OSPF Routing Protocols, DHCP, DNS, and HTTP Configurations in CISCO Packet Tracer

admin — Sat, 20 Apr 2019 05:55:52 +0000

Abstract: This paper gives elaborate descriptions on the implementation of two routing protocols namely: Routing Information Protocol (RIP) and Open Shortest Path First (OSPF). It also covers Variable Length Subnet Mask (VLMS) Dynamic Host Configuration Protocol, Hypertext Transfer Protocol, and Domain Name Server configurations. With dynamic routing protocols, a router has the ability to determine which path to select when routing a packet this is achieved through a frequent update of the routing table by the router using information provided by different networks in a giving set up about their locations. The paper also demonstrates how IP addresses are conserved using Variable Length Subnet Masking.

Keywords: RIP, OSPF, DHCP, HTTP, DNS

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Analysis of Mechanical Vibration and Fault Detection of Railway Track Using Lab View System

admin — Sat, 20 Apr 2019 05:57:21 +0000

Abstract: The main aim of this paper is to develop a Lab view based system for analysis of mechanical vibration and fault detection of railway track. The Indian railway is the biggest means of transportation. But now a days accident due to railway are increase so it is need to have safety element in order to avoid accident. To avoid this problem we are using fault detector robot, which detects the fault in track and also detect obstacle. Vibration sensor is used for crack detection and ultrasonic sensor is used for obstacle detection. GPS provide location track as well as obstacle. SMS will display on LCD. Internet of Things (IOT) is implemented to give an update of crack and obstacle detection with location. The advantages of proposed system are that, it is cheap and suitable to the Indian scenario. The system can be helpful to operate at tunnels as well.

Keywords: AtMega328 IC, Vibration sensor, Ultrasonic sensor, GPS, HC12, ESP8066, Motor driver, Lab View software

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A Theoretical Model for Cloud Computing Adoption Saudi Arabia For Small and Medium Size Enterprise (SMEs) in ICT Sector

admin — Sat, 20 Apr 2019 11:34:36 +0000

Abstract: Cloud computing technology provides different solutions to organizations on demand in order to improve their performance and to lower hardware and software procurement and maintenance cost. There is a rich body of literature on its benefits for SMEs, however, studies that investigate the factors influencing the adoption by SMEs in developing countries especially Saudi Arabia and particularly in Information and Communication Sector (ICT) are still lacking. To fill this gap, this study examines the factors that influence the adoption of cloud computing by Saudi Arabian SMEs. This study seeks to develop a research framework that integrates the innovation characteristics as well as the Technology-Organization-Environment (TOE) perspectives that underlie its adoption. Primarily, the adoption factors for cloud computing are identified and classified into different dimensions using the Technology, Organization and Environment (TOE) framework. This study therefore presents a more holistic assessment of the factors of cloud computing adoption than earlier studies. The study contributes to the wider body of scientific knowledge that, so far, has not studied the adoption of cloud computing in this sector. The findings confirm a high potential for use of the cloud computing market within developing countries and further recommend cloud computing vendors to focus on cloud computing knowledge.

Keywords: Cloud computing, SMEs, adoption

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Trend Detection in Annual Temperature to Assess Climate Change on Selected Regions in India

admin — Tue, 23 Apr 2019 11:37:29 +0000

Abstract: The impact of climate change on annual air temperature has received a great deal of attention by scholars worldwide. Many studies have been conducted to illustrate that changes in annual temperature is becoming evident on a global scale. This study focuses on detecting trends in annual temperature for the five major city regions in the India. For this study, the widely used modified Mann-Kendall test was run at 5% significance level on time series data for each of five major city regions for the time period, 1982 to 2018. Mann-Kendall trend statistics is used to show the trend and Sen’s estimator of slope is used to depict the magnitude of the trend. Lastly, a simple co-relation among the weather variables has been done to show the impact of temperature in changing hydrological conditions of the Country.

Keywords: Rainfall Trend, Season, Mann-Kendall Trend Statistics, Sen’s Slope, Cross-correlation

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LabVIEW based Power Analysis of Solar Tracking System and its Implementation in Real Time (Single Axis)

admin — Wed, 24 Apr 2019 05:26:07 +0000

Abstract: The concern over the environment with respect to power and electricity, solar energy is used to orient various payloads towards the sun in order to the sun energy. Payload can be reflectors, photovoltaic cells, lenses or other optical devices. As the world population is increasing gradually the need for energy is increasing equally. Every day we depend on energy for the purpose of electricity, hot water and fuel for automobiles. Majority of this energy come from fossil fuels, such as coal, oil and natural gas. These are a non renewable energy source, which means that if we use them all up, we can never get more during our life time, so it is important that we use other energy sources, like renewable energy sources. These are energies that can be used again and again such as sunlight, water and wind. The main aim of this proposed system is to absorb maximum solar energy from the solar panel. Here the payload is photovoltaic cell. The solar tracker is the one which traces the sun’s movement continuously, such that maximum amount of sunlight falls on the solar panel which we have designed.

Keywords: Three watt solar panel, At-mega328 microcontroller, DC motor, LabVIEW software, MPPT charge controller

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PLC Based Auto Power Supply for Critical Load

admin — Wed, 01 May 2019 07:05:43 +0000

Abstract: An important requirement of electric power distribution systems is the need for automatic operation. In particular, the rapid and reliable transfer of the system from one power source to another during certain system events is important to achieving the reliability goals for such systems and the facility serves. In the existing system, use of four switches to demonstrate the corresponding failure of that power supply has been attempted. By pressing any one of the switches, absence of that particular source can be found out. The switches are connected as input signals to Programmable Logic Controller. In this system the PLC is used. The relay driver IC collects output of PLC, which adjusts relay to maintain continuous supply to the load. This work mainly focuses on the automation. Future add-ons to the product can make it as a complete independent working model .An attempt has been made to study the use of PLC to get uninterrupted power supply without the need of human intervention, saving non-conventional energy and reduce the overall cost as it saves the electricity bill tariffs and the maintenance cost is less as the solar cells lasts long .Use of non-conventional energy sources these days is a transformation in itself.

Keywords: PLC, Solar Energy, Auto Power Supply, Critical Load, Automation

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Analysis of Emission Data by using Testbed for Euro VI Norms

admin — Fri, 03 May 2019 08:24:08 +0000

Abstract: The testing of the engine is useful for giving the idea about the overall performance and the emission of the engine. Now a day, the emission factors which are coming out of the engine from the exhaust line affecting the environment on large scale or we can say, the emission coming out of the engine is playing the vital role in the air pollution. We have to reduce the emission factors, so we will be able to maintain the healthy air in the environment. As we are only focusing on the engine emission, we have to analyze the engine. The analysis of engine is the combination of the performance analysis and the emission analysis. For analyzing the engine, we have run the engine in the particular emission cycle. The output of the emission cycle is giving the idea about the engine performance and the engine emission. And, this paper is giving the idea about the whole testbed setup, emission cycle, norms of emission for the diesel engine.

Keywords: WHTC, WHSC

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Power Electronic On-Load Tap Changer for HVDC Converter Transformer

admin — Mon, 06 May 2019 08:42:30 +0000

Abstract: High voltage DC transmission is gaining more and more importance due to various advantages over high voltage AC transmission. High voltage DC converter transformer is the main component which is used in HVDC transmission. Tap changer is an essential part of any power transformer for obtaining various turns ratios to get different voltage levels. Conventional mechanical tap changers are commonly employed for this purpose. Mechanical tap changers require continuous maintenance when tap changers require frequent operation. The tap changers in high voltage DC converter transformer is such an application where frequent operation of tap changer is needed. In this work a novel power electronic tap changer is proposed for arc less switching and reduced maintenance even under frequent operations. The basic working of the power electronic tap changer, different topologies and certain design parameters of power electronic tap changer for HVDC converter transformer are evaluated and tested using simulation software and a low voltage working prototype.

Keywords: HVDC, Converter Transformer, Tap changer, HVDC Transmission, Tap selector switch

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Low – Power and Error Tolerant Multi – Precision Approximate Multipliers using Voltage and Frequency Management Unit

admin — Tue, 07 May 2019 05:01:37 +0000

Abstract: Approximate computing is an emerging trend in digital design that trades off the requirement of exact computation for improved speed and power performance. The proposed method uses a novel approximate compressors and an algorithm to exploit them for the design of efficient approximate multipliers. The approximate compressors are a key element in the design of power-efficient approximate multipliers, the number of faulty rows in the compressor’s truth table is significantly reduced by encoding its inputs using generate and propagate signals. Further it is converted to Multi Precision (MP) reconfigurable multiplier that incorporates variable precision, Parallel Processing (PP), razor-based Dynamic Voltage Scaling (DVS), and dedicated MP operands scheduling to provide optimum performance for a variety of operating conditions. All of the building blocks of the proposed reconfigurable multiplier can either work as independent smaller-precision multipliers or work in parallel to perform higher-precision multiplications. Given the user’s requirements (e.g., throughput), a dynamic voltage/frequency scaling management unit configures the multiplier to operate at the proper precision and frequency. Based on this improved compressor, two 4×4 multipliers are designed with different accuracies and then are used as building blocks for scaling up to 16×16 and 32×32 multipliers. Comparison with previously presented approximated multipliers shows that the proposed circuits provide better power or speed for a target precision.

Keywords: Approximate computing, Compressors, Multi-precision, Image processing

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Low Transition Test Pattern Generation for Path Delay and Stuck-at-Faults

admin — Tue, 07 May 2019 05:02:32 +0000

Abstract: A low transition test pattern generation for path delay and stuck-at-faults is proposed. Main challenges in generating compressed tests are reduced test data volume along with low transition pattern sequence. The proposed work uses BS-LFSR (Bit Swapping-Linear Feedback Shift Register) for generating test pattern. The basic approach that the paper uses modifies initially random seeds for the BS-LFSR into seeds that produce tests for detecting target faults. This approach can find seeds even if the available tests cannot be compressed into seeds. In addition, the procedure described in the proposed method also selects detectable path delay and stuck-at faults to address the presence of undetectable path delay and stuck-at faults in the set of target faults. The Bit-Swapping LFSR (BS-LFSR), is composed of an LFSR and a 2 × 1 Multiplexer and used to generate test patterns which reduces the number of transitions that occur at the scan-chain input during scan shift operation by 50% when compared to those patterns produced by a conventional LFSR. Hence, it reduces the overall switching activity in the circuit under test during test applications. Further, undetectable fault are covered using observation point insertion for improving the fault coverage. Experimental results for fault coverage are analyzed for path delay and stuck-at faults in benchmark circuits.

Keywords: BS-LFSR, Test Data Compression, Test Generation, Low-Power Test, Test Point Insertion

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