Search
1464 articles for “loss”
-
Optimization of Transmission System by adopting 765/800KV Ultra High Voltage Network and its Technical Configurations
Abstract: In the era of persistent capacity shortages, ever increasing demand scenario, increased market operation and formation of National grid, new challenges have arisen in operation and control of large integrated and interconnected power system in India. The paper chronologies development of interconnected system in India from the state of independent utilities of 1950s to the well developed present interconnected National Grid. High voltage has been attractive proposition for large power …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 9, Issue 1, 2022 · pp. 31–42 Read article
-
Real Time FPGA-based Embedded Architecture of Audio Compression and Decompression Core for Multimedia System
Abstract: A multimedia system links images and audio to distribute and transmit information to users. These images and audio data have to be compressed for raising capacity of storing and processing tasks in real time without losing the required information. This paper introduces an audio processing unit by using the FPGA hardware board. This is a complete Embedded system where the audio compression and decompression core is firstly described as a …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 1, 2015 · pp. 34–44 Read article
-
Hardware Optimization of FPGA for I2C Master Protocol and Interfacing with EEPROM Slave
Abstract: This paper focuses on I2C (Inter Integrated Circuit) protocol master controller. I2C protocol was originally given by Philips semiconductors so that faster devices can communicate with slower devices and also allow devices to communicate with each other over serial bus without data loss. The I2C controller provides support for a communication link between integrated circuits and memory units on a board. I2C is a bidirectional serial bus which contains two …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 2, 2015 · pp. 42–48 Read article
-
A New High Speed Low Power 1 Bit Full Adder
Abstract: This paper proposes a low power, low area and high speed 1-bit full adder compared to earlier 1bit full adder designs. The adder comprises of eight transistors with some modifications over the other existing design, so that it can invariably be used in the device with least nano device dimensions. The proposed design exhibits lower threshold loss and works faithfully in sub-threshold regime with appreciable voltage swing at lower power …
Published in Journal of VLSI Design Tools and Technology · Vol. 3, Issue 1, 2013 · pp. 8–13 Read article
-
A Survey on Recent Approaches for Leakage Power Reduction in MOS Integrated Circuits
Abstract: Today the integrated circuit’s functionalities are increasing day by day with increase in the number of transistors in it. However, the scaling of the transistors, top increase its number, for the same area of an IC reduces its sub-threshold voltage with its increase in the leakage power consumption. Scaling at different scales (45, 60, 90 nm, etc.) leads to major losses, both at static and dynamic phases of the circuits. …
Published in Journal of VLSI Design Tools and Technology · Vol. 4, Issue 2, 2014 · pp. 24–31 Read article
-
Comparative Analysis of Low-Power Adiabatic Techniques
Abstract: In today’s modern era, new revolutionary designs are replacing old traditional bulky designs. Due to advancements in technology, low-power designs are in demand. Advantages of adiabatic technique can be used for overcoming disadvantages of typical CMOS such as dissipated energy loss. Adiabatic techniques are extremely reliant on parameter changes. In this paper, the merits of adiabatic techniques are depicted on the basis of parameter variations. By the use of SPICE …
Published in Journal of VLSI Design Tools and Technology · Vol. 4, Issue 2, 2014 · pp. 53–58 Read article
-
Low Power RF QPSK MODEM Design
Abstract: System-level simulation including design of CMOS circuits for radio frequency QPSK MODEM targeting applications in 2.45 GHz industrial, scientific and medical (ISM) band has been presented in this paper. Based on the QPSK architecture, the MODEM consists of an analog mixer using a voltage multiplier, a 90 °phase shifter, delay circuits, a voltage adder and a filter to detect the information. A code reuse subsystem block consisting of Chebyshev filter …
Published in Journal of VLSI Design Tools and Technology · Vol. 2, Issue 1-2-3, 2012 · pp. 75–86 Read article
-
Design of FPGA Based ALU Using Reversible Logic Gates
Abstract: Reversible or information misfortune less circuits has applications in computerized signal handling, correspondence, PC design and nanotechnology. Reversible technique is utilized to minimize heat that happens in traditional circuits by keeping the loss of data. This paper proposes a reversible configuration of an ALU. This ALU comprises of eight operations, five are of arithmetic category and three are from logical category operations. An arithmetic operations incorporate add, sub, increase by …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 3, 2016 · pp. 15–21 Read article
-
Wire Network Survivability for Upgraded Consistency in Smart Power Grids
Abstract: Power transmission system infrastructures transmit energy over a long distance and are essential to the operation of urban society. These configurations progressively reflect highly coupled cyber-physical structures where automated telecommunications networks are used to transmit status and control details to power transmission grid elements, i.e. smart grids. However, due to the high degree of interdependence between the contact and power grid layers, malfunction incidents may contribute to more loss of …
Published in Journal of VLSI Design Tools and Technology · Vol. 10, Issue 3, 2020 · pp. 16–21 Read article
-
A Feasibility Analysis on New Drainage Channel to Control Flooding in Southwest Chennai Using Hydraulic Model
Abstract: Flood Management plays a major role in minimizing the socio-economic loss in a watershed. In the urban context, flood is due to uncontrolled settlements of migrated population along the length of surplus carrying channels. This study focuses on feasibility analysis of existing drainage channel and proposed drainage channel network as structural management measure for a watershed, proposed by public work department of Chennai to reduce the impact of flood. In …
Published in Journal of Water Resource Engineering and Management · Vol. 2, Issue 1, 2015 · pp. 1–7 Read article
-
Exudation – An Advancement in Micro-Irrigation with Sub-Surface Drip Irrigation (Porous Pipe)
Abstract: The awareness has slowly been developed for careful and effective utilization of natural resources like water and energy. Exudation, i.e., sub-surface irrigation with porous pipe can be an efficient water-saving method of irrigation for many less developed arid and semi-arid regions. Sub-surface drip irrigation, i.e., SDI has been an important part of agricultural irrigation throughout the world. During last three decades, sub-surface irrigation system is being used owing to its …
Published in Journal of Water Resource Engineering and Management · Vol. 1, Issue 2, 2014 · pp. 29–34 Read article
-
Water Resource Analysis and Potential Evaluation of Bhima Basin in Maharashtra (GIS Approach)
Abstract: Potential of surface water and ground water resource evaluated and demand on resource figured out at sub catchment level. HEC-HMS software was used for hydrologic modeling taking dynamic canopy for evapotranspiration, SCS curve number for surface loss, constant monthly for base flow and storage-discharge for reservoir consideration. Basin model and curve numbers were generated using ArcGIS (GeoHMS tools). Ground water fluctuation study on 10 years water level data carried out. …
Published in Journal of Water Resource Engineering and Management · Vol. 2, Issue 2, 2015 · pp. 33–47 Read article
-
Adsorption Study using Water Hyacinth as an Adsorbent
Abstract: Heavy metals are widely used in numerous industries such as paints and pigments, glass production, mining operation, electroplating, battery manufacturing and textile industries. The significant losses of heavy metals occur during the manufacturing processes and these lost heavy metals are discharged in the effluent. As they move from one ecological trophic level to another, metallic species start damaging the ecosystem. They also become difficult to track as they move up …
Published in Journal of Water Resource Engineering and Management · Vol. 1, Issue 3, 2014 · pp. 13–16 Read article
-
Hydroelectricity Generation by the Recycling of Water
Abstract: The global world is hungry for more energy continuously which has resulted in extra burden to both renewable and non-renewable energy resources. As we know electrical appliances are increasing and the demand of electricity is also increasing. And the time is not far away when we will not have sufficient electricity to run these appliances and water to generate electricity because declining of water level is also continuous day by …
Published in Journal of Water Resource Engineering and Management · Vol. 2, Issue 3, 2015 · pp. 23–27 Read article
-
Floodplain Inundation Modeling and Mapping for Geray River: Nile Basin, Ethiopia
Abstract: Flood is among the most devastating natural hazards in the world claiming lives and properties more than any other natural phenomena. During high flow, the Geray River flooded the vicinity of the area and causes loss of cultivated land and life. The objective of this study describes the flood extent and depth in the Geray River for different flow conditions. This research involves the integration of HEC-HMS, HEC-RAS, and GIS …
Published in Journal of Water Resource Engineering and Management · Vol. 6, Issue 3, 2019 · pp. 25–45 Read article
-
Storm water Management of Badlapur City
Abstract: Stormwater management is the science of managing the surface runoff to prevent adverse impact on the environment. The main aim of storm water management is to manage water quantity and in addition to protect water quality. The rainfall infiltrates into the soil, be held on the surface and evaporate, or runoff and ends up in nearby streams, rivers, or other water bodies. The storm water management becomes more challenging due …
Published in Journal of Water Resource Engineering and Management · Vol. 7, Issue 2, 2020 · pp. 5–8 Read article
-
Applicability of SWMM Model for Urban Flood Forecasting: A Review
Abstract: Urbanization, the major goal for the emerging economies, with which come the major concerns, flood conditions being one of them. The huge losses of infrastructure and lives have alarmed us with the need to tackle this situation in an effective and sustainable manner. Flood forecasting and its management is the only sail through the narrow gap between the disasters and prosperity. Precipitation is the major component of the hydrologic cycle …
Published in Journal of Water Resource Engineering and Management · Vol. 4, Issue 2, 2017 · pp. 1–4 Read article
-
Flood Frequency Analysis of Big Akaki River, Awash Basin, Ethiopia
Abstract: Flood is one of the most dangerous naturally occurring catastrophic hazards now days displacing and killing people and destroying properties. During high flow, the Big Akaki River flooded the vicinity of the area and causes loss of cultivated land and life. Flood water inundates the floodplain areas and cause vast damages to life and property. The main objective of this paper is to analyze the inundation area along the Big …
Published in Journal of Water Resource Engineering and Management · Vol. 8, Issue 2, 2021 · pp. 35–48 Read article
-
Rainfall-runoff Modeling using HEC-HMS Hydrologic Model for Guder River Watershed, Blue Nile Basin, Ethiopia
Abstract: Rainfall-runoff modeling is important for a number of hydrologic applications including flood forecasting, water resource planning and management. This study presents the result of a watershed rainfall-runoff modeling for Guder river watershed having area of 6597 km 2 using Hydrologic Engineering Center-Hydrologic Modeling Systems (HEC-HMS). The watershed runoff is varying spatially and temporally due to manmade factors and natural factors on the watershed. These issue needs efficient water resource planning …
Published in Journal of Water Resource Engineering and Management · Vol. 8, Issue 2, 2021 · pp. 62–77 Read article
-
Sedimentation Yield Analysis of Hatnur Dam using SWAT and GIS
Abstract: Sedimentation in reservoirs throughout the world are leading to loss of reservoir storage capacitythereby reduces the useful lifetime of dams. Storage reservoirs built across rivers or streams tend tolose their water storage capacity progressively with the passage of time due to sedimentation. After thedesigned sediment deposition capacity of the reservoir, further addition in sediment deposits affectsthe reservoir regulation operations. It’s therefore necessary to assess reservoir sediment depositioncapacity and plan for …
Published in Journal of Water Resource Engineering and Management · Vol. 8, Issue 3, 2021 · pp. 30–39 Read article