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Now showing items 2952-2971 of 6421
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Investigations On Sensorless Vector Control Using Current Error Space Phasor And Direct Torque Control Of Induction Motor Drive Based On Hexagonal And 12-Sided Polygonal Voltage Space Vectors
(2013-08-02)Variable-speed Induction motor drives are nowadays used for various kinds of industrial processes, transportation systems, wind turbines and household appliances in the world. The majority of drives are for general purpose ... -
Investigations On Size Dependence Of Diffusivity In Condensed Media
(2010-08-24)Diffusion plays an important role in a number of processes like heterogeneous catalysis, corrosion, separation and purification of chemicals of industrial importance, steel hardening, fuel cells, and solid electrolytes for ... -
Investigations on Stacked Multilevel Inverter Topologies Using Flying Capacitor and H-Bridge Cells for Induction Motor Drives
(2018-09-04)Conventional 2-level inverters have been quite popular in industry for drives applications. It used pulse width modulation techniques to generate a voltage waveform with high quality. For achieving this, it had to switch ... -
Investigations on structural, optical and electrical properties of lattice matching CdZnTe & HgCdTe colloidal quantum dot systems for possible core-shell structures in optoelectronic devices
In this work, alloyed II-VI group CdZnTe, HgCdTe colloidal quantum dots (QDs) have been synthesised and their optical, material, electrical properties are studied for optoelectronic applications. The bandgap of the alloyed ... -
Investigations on Supersonic Flow in Miniature Shock Tubes
(2018-08-02)The emerging paradigms of shockwave research have opened up new horizons for interdisciplinary applications. This has inevitably driven research towards studying the propagation of shockwaves in miniature shock tubes (tube ... -
Investigations on the Corona Degradation of Polymeric Insulating Samples
Insulators play an important role in the reliability and safe operation of EHV/UHV transmission lines. Recently several utilities in the country and elsewhere are using polymeric insulators for the high voltage transmission ... -
Investigations On The Influence Of Process Parameters On The Deposition Of Samarium Cobalt (SmCo) Permanent Magnetic Thin Films For Microsystems Applications
(2011-02-15)The research in permanent magnet thin films focuses on the search of new materials and methods to increase the prevalent data storage limit. In the recent past the work towards the application of these films to micro systems ... -
Investigations on the Pi Distortivity Problem and On the Use of Single Atom Thick Layers as Filters
It has traditionally been believed that pi-electrons stabilize the D6h structure of benzene. However, this was questioned both using theoretical arguments, as well as circumstantial, experimental evidence. The theoretical ... -
Investigations on the Possible Role of Aromatic β-Glucoside Metabolism in Self-Defense in Enterobacteriaceae
(2018-04-02)Bacteria are ubiquitous in all ecosystems and are often challenged by multiple stresses such as extreme temperatures, high salt concentrations, nutrient limitation, pH variations, radiation, predation and the presence of ... -
Investigations On The Properties Of TiN, NbN Thin Films And Multilayers By Reactive Pulsed Laser Deposition
(2013-10-21)Two technologies, namely Laser Technology and Surface Modification Technology, have made rapid strides in the last few decades. The lasers have evolved from a simple laboratory curiosity to a matured industrial tool and ... -
Investigations on the regulatory role of BglG on the expression of ridA and the pleiotropic effects of bglG deletion in E. coli
The bgl operon of E. coli encodes for the proteins involved in the uptake and catabolism of plant-derived aromatic beta-glucosides, normally associated with the soil environment. The silent state of the operon seen ... -
Investigations On The Role Of The Global Regulator H-NS In The Survival Of Escherichia Coli In Stationary-Phase
(2015-08-17)Studies on stationary phase cultures of microorganisms in the laboratory have helped us understand the genetic and physiological basis of adaptation in their natural habitats. Stasis or decline in bacterial populations due ... -
Investigations on the Use of Mems-imu Sensors for Manual 2D and 3D Ultrasound Imaging
Ultrasound imaging is a safe medical imaging technique with many applications in medical diagnostics. MEMS-IMUs being small-size, low-cost, low-power devices suitable for accurate orientation estimation, the chances of ... -
Investigations On Topological Thresholds In Metal Doped Ternary Telluride Glasses
(2009-06-16)The ability to tune the properties over a wide range of values by changing the additives, composition, etc., has made chalcogenide glassy semiconductors, most interesting from both fundamental physics as well as technology ... -
Investigations on Voltage Control of Stacked DC-link Series Capacitors with a Nine-Level Inverter for an Induction Motor Load
Multilevel Inverters offer several advantages over two-level inverters in applications involving medium voltage and high power levels. A variety of applications are now available for MLI technology, ranging from variable ... -
IO Pattern Aware Methods to Improve the Performance and Lifetime of NAND SSD
Modern SSDs can store multiple bits per transistor which enables it to have higher storage capacities. Low cost per bit of such SSDs has made it a commercial success. As of 2018, cells with an ability to store three bits ...